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Interactive Simulators (1605)

Structural (147)

• Adhesive Joint Stress Analysis Calculator (Volkersen & Hart-Smith)
• Aeroelastic Flutter Speed Calculator — 2DOF Wing Section Analysis
• Arch Structure & Thrust Line Calculator
• Beam-Column Buckling & P-M Interaction Diagram
• Beam Deflection & Stress Analysis Tool
• Overhanging Beam Simulator — Reactions, SFD, BMD & Tip Deflection
• Beam Shear Stress Distribution Simulator
• Beam Cross-Section Properties Visualizer — Second Moment of Area, Section Modulus
• Bimetal Thermostat Simulator — Thermal Bending of a Two-Layer Strip
• Blast Wave Simulator — Sedov-Taylor Scaling & Overpressure
• Bolt Group Eccentric Simulator
• Bolt Thread Root Combined Stress Simulator
• Bolted Connection Strength Calculator
• Bolted Flange Joint Calculator (ASME, Gasket Seating, Leakage Check)
• Bridge Truss Design Simulator — Build, Break & Learn Structural Mechanics
• Bridge Deck Aerodynamic Flutter Simulator
• Bridge Truss FEM Analysis Simulator
• Column Buckling Calculator — Euler Load, Johnson Formula & Slenderness Ratio
• Column Buckling Mode Shape Visualizer
• Buckling-Restrained Brace Simulator
• Cable Sag Calculator
• Cable-Stayed Bridge Tension Calculator — Structural Design Tool
• Castigliano Theorem Simulator — Deflection via Strain Energy Method
• Catenary Cable Tension Calculator
• Centrifuge Rotor Stress Analyzer — Radial & Hoop Stress in Rotating Disks
• Sandwich Panel Analysis (Equivalent Stiffness, Core Shear, Failure Modes)
• Column Base Plate Bearing Pressure Simulator
• Advanced Column Buckling Analysis (Imperfections, P-δ Curve)
• Column Design Calculator (Steel / Concrete / Timber)
• RC Column P-M Interaction Diagram Calculator — ACI 318
• Combined Axial + Bending Stress Calculator
• Composite Beam & Transformed Section Stress Calculator
• Sandwich Panel Structural Analysis — Bending Stiffness, Deflection & Stress
• RC Beam Section Design Calculator (ACI 318)
• Concrete Formwork Lateral Pressure ACI 347 Simulator
• Conjugate Beam Method Simulator
• Elliptical Hertz Contact Simulator — General Hertzian Contact
• Hertz Contact Mechanics Calculator — Contact Radius, Pressure & Deflection
• Container Ship Stacking Load Simulator
• Continuous Three-Span Beam Simulator — Three-Moment Equation
• Continuous Beam Analysis Calculator
• Crane Load & Wire Rope Tension Calculator
• Curved Beam Stress Simulator
• Gravity Dam Water Pressure & Stability Calculator — Overturning, Sliding, Base Stress
• DMT Adhesive Contact Simulator — Derjaguin-Muller-Toporov Theory
• Column Effective Length Simulator — Support Conditions and Buckling Load
• Element Stiffness Matrix Simulator — 1D Bar Element
• Euler Buckling Load Calculator
• Explosion Blast Wave Simulator — TNT Equivalence & Overpressure
• Plane Truss FEM Solver
• Fixed-End Moment Simulator — Clamped-Clamped Beam FEM Basics
• Flutter Speed Calculator
• Plane Frame Analysis
• Freight Elevator Cab Bracket Stress Simulator
• Hertz Contact Stress Calculator
• Hertz Line Contact Simulator — Two Parallel Cylinders
• Influence Line Simulator — Moving Load and the Response Quantity
• Isoparametric Mapping Simulator — 4-Node Quadrilateral Element
• JKR Adhesive Contact Simulator — Johnson-Kendall-Roberts Theory
• Lateral-Torsional Buckling Simulator
• 2D Linear Elasticity Simulator — Plane Stress vs Plane Strain
• Maxwell-Betti Reciprocal Theorem Simulator
• Membrane Stress Simulator — Thin Shell Pressure Vessel
• Membrane Structure Prestress Analysis
• Structural Mode Shape Visualizer — Beam & Plate Vibration Modes
• Mohr's Circle Stress Analysis Tool
• Moment-Curvature Simulator
• Joint Moment Distribution Simulator — Hardy Cross Basics
• Moment of Inertia Calculator
• Marine Mooring Line Tension & Catenary Simulator
• Offshore Structure Wave Force Calculator (Morison Equation)
• P-Delta Effect Simulator — Second-Order Effects from Axial Loads
• Parallel Key Stress Design Simulator
• Photoelasticity Stress Analysis — Isochromatic Fringe Pattern Visualization
• Pipe Thermal Expansion & Stress Analysis — ASME B31.3
• Pipe Thermal Stress Calculator
• Piping Weight & Thermal Expansion Calculator
• Piping Thermal Expansion & Stress Calculator
• Plastic Hinge Collapse Load Simulator
• Plastic Section Modulus Simulator
• Plate Buckling & Critical Stress Calculator
• Plate Girder Web Shear Buckling Simulator
• Portal Frame Analysis Simulator
• Powerline Galloping Iced Conductor Stability Simulator
• Pressure Vessel Nozzle Reinforcement Calculator — ASME Area Replacement
• Pressure Vessel Stress Calculator (Thin-Wall, Thick-Wall & Lamé Equations)
• Prestressed Concrete Losses Simulator
• 3D Principal Stress Simulator — Eigenvalues of the Stress Tensor
• Propped Cantilever Beam Simulator — One-Degree Indeterminate Beam
• Punching Shear Simulator
• Railroad CWR Track Buckling (Sun Kink) Simulator
• Rebar Development Length Simulator
• Reinforced Concrete Section Analysis (Flexure & Shear)
• Circular Ring & Arch Structure Calculator
• Rolling Contact Stress Calculator — Hertz Contact Theory & Subsurface Stress
• Sandwich Panel Bending Calculator
• Sandwich Panel Bending Stiffness Calculator
• 1D FEM Shape Functions Simulator
• Shear & Moment Diagram Simulator — Simply Supported Beam Under Combined Loads
• Shear Center Calculator — Thin-Walled Section Shear Flow Visualizer
• Shear Flow and Shear Center of a Thin-Walled Open Section — C-Channel
• Box Girder Shear Lag Simulator
• Shear Wall Lateral Stiffness Simulator
• SIMP Topology Optimization Simulator (2D Finite Element)
• Slope-Deflection Method Simulator
• Cantilever Snap-Fit Design Simulator
• Greenhouse Snow Load Collapse Assessment Simulator
• Snow Loaded Tree Branch Bending Simulator
• Roof Snow Load Building Code Simulator
• Spline Shaft Stress Simulator
• Static Equilibrium
• Static Truss Analyzer — 2D Method of Joints & Member Forces
• Steel Connection Design Tool — Bolt & Weld Joint Calculator
• Strain Gauge Bridge Calculator — Output Voltage & Temperature Error
• Strain Gauge Rosette Simulator
• Stress Concentration Factor Kt Calculator
• Stress Tensor Visualizer — Principal Stresses & 3D Mohr's Circle
• Structural Fire Design Simulator (Eurocode EN 1992-1-2)
• Structural Reliability Analysis & Probability of Failure Calculator
• Strut-and-Tie Model — Rigid-Plastic Analysis of D-Regions
• Hertz Subsurface Stress Simulator — σz, σr and τmax versus Depth
• Beam Deflection by Superposition Calculator
• Suspension Bridge & Cable-Stayed Bridge Cable Shape Calculator
• T-Beam Section Simulator — Properties & Bending Stress
• Tension Field Action Simulator
• Thermal Stress & Bimetal Warpage Calculator
• Thin-Wall Pressure Vessel Stress Calculator — Hoop Stress & Von Mises
• Thin-Walled Open Section Properties Calculator — C/Z/L/I Beam
• Thin-Walled Section Shear Flow & Torsion Calculator (Bredt-Batho)
• Three-Hinged Arch Simulator
• Timber Beam Design Simulator
• Timoshenko Beam Simulator — Tip Deflection with Shear Deformation
• Topology Optimization (SIMP Method) Simulator
• Tower Crane Counter-Jib Balance Simulator
• 2D Truss Analyzer (Direct Stiffness Method / FEM)
• Unit Load Method Simulator — Cantilever Beam Deflection and Rotation
• Unsymmetric Bending Simulator
• Virtual Work — Unit Load Method for Truss Deflection
• Thin-Walled Torsion Simulator
• Floating Breakwater Wave Load Simulator
• Morison Equation Wave Loading on Offshore Structures Simulator
• Wheel-Rail Contact Simulator — Elliptical Hertz Contact and Adhesion Limit
• Building Wind Load Calculator (ASCE 7-16)
• Wind Load Calculator (ASCE7 & Building Code)
• Wind Pressure & Wind Load Calculator — Building Structures & CFD Design
• Wood Truss Stress-Graded Design Simulator
• Yield Line Theory Simulator — Ultimate Load of a Rectangular Slab

Machine Elements (89)

• Ackermann Steering Geometry Simulator
• AGV/AMR Warehouse Traffic Throughput Simulator
• Air Spring Stiffness Simulator
• Ball Bearing Hertz Contact Stress Simulator — Inner & Outer Race Stress
• Ball Screw Drive Simulator
• Band Brake Torque Simulator
• Rolling Bearing Life Calculator (L10 · ISO 281)
• Belleville Spring (Disc Spring) Simulator
• Belt Conveyor Power Simulator
• Belt & Chain Drive Calculator
• Belt Friction Simulator — Capstan Equation
• Straight Bevel Gear Tooth Force Simulator
• Bicycle Gear Ratio Simulator
• Bolt Fatigue Analysis — Goodman Diagram & Safety Factor Calculator
• Bolt Preload & Fatigue Design Calculator
• Bolted Joint Analysis (Preload & Fatigue)
• Cam and Follower Mechanism Designer
• Cam Mechanism Simulator — Displacement, Velocity & Acceleration
• Cam Profile Design Simulator
• Car Braking Distance Calculator
• Cardan Joint Simulator — Shaft Angle and Angular Velocity Variation
• Center of Percussion Simulator
• Centrifugal Clutch Simulator
• Crank-Slider Mechanism Simulator — Piston Motion Analysis
• DH Parameters & Forward Kinematics Calculator (Up to 6-DOF)
• Drum Brake Shoe Friction & Contact Pressure Simulator
• Elevator Rope Tension & Sag Simulator
• Engine BMEP Simulator
• Engine Crank-Slider Kinematics Analyzer
• EV Tire Rolling Resistance Coefficient & Range Impact
• Forward Kinematics Simulator — Two-Link Planar Manipulator
• Friction Clutch Torque Simulator
• Gear Train Efficiency & Tooth Bending Stress Calculator (AGMA)
• Epicyclic Gear Train Calculator — Speed Ratio, Torque & Efficiency
• Gear Ratio, Speed & Torque Calculator
• Gear Tooth Stress Calculator — Lewis Bending & Hertz Contact Stress
• Gear Tooth Design Calculator — Involute Profile, Contact Ratio & Stress
• Gear Train Simulator (Spur & Planetary Gears)
• Greenwood-Williamson Rough Contact Simulator
• Gyroscope Precession Calculator & Visualizer
• Hydraulic Cylinder Calculator — Force, Speed & Buckling Safety
• Hydraulic Jack Calculator — Pascal's Principle Simulator
• Hydrodynamic Bearing Analysis — Oil Film Pressure & Sommerfeld Number
• Industrial Robot Payload-to-Weight Ratio Simulator
• Interference Fit Torque Simulator
• Robot Arm Inverse Kinematics Calculator (2/3-DOF)
• Journal Bearing Sommerfeld Number Simulator
• Kinematics Calculator & Visualizer — 1D/2D Constant Acceleration
• Knuckle Joint Design Simulator
• Multi-Leaf Spring Deflection Simulator
• Crank-Slider & Four-Bar Linkage Analyzer
• Lubrication Regime Calculator
• Active Magnetic Bearing (AMB) Radial Load Simulator
• Active Magnetic Bearing Rotor Stiffness Simulator
• Mechanical Advantage Simulator — Lever, Pulley, Inclined Plane
• O-Ring Gland Design Simulator
• Planetary Gear Ratio Simulator
• Pneumatic Circuit Calculator
• Power Screw Efficiency Simulator
• Interference / Press Fit Calculator (Lamé Equations, Contact Pressure)
• Pulley Simulator — Mechanical Advantage of a Block and Tackle
• Riveted Lap Joint Strength Simulator
• Robot Joint Torque & Newton-Euler Dynamics Calculator
• Roller Chain Drive Simulator
• Rolling Bearing Life Calculator (L10, Dynamic Load)
• Rolling Contact Fatigue & Pitting Resistance Calculator
• Rollover Threshold Simulator
• Rotational Dynamics Simulator
• Screw Tightening Torque Calculator
• Shrink-Fit Stress Simulator — Lamé Thick-Cylinder Solution
• Coil Spring Design Calculator (Buckling, Resonance, Fatigue)
• Coil Spring Fatigue Design Calculator — Wahl Factor & Modified Goodman Diagram
• Spring Network Simulator — Series, Parallel & Combination
• Railway Curve Cant & Cant Deficiency Simulator
• Suspension Kinematics Simulator — Double Wishbone & MacPherson
• Tire Dynamics Simulator — Pacejka Magic Formula Friction Circle
• Tire Mechanics Simulator
• Torque & Lever Principle Simulator
• Torsion Bar Spring Simulator
• Shaft Torsion Design Calculator — Shear Stress, Twist Angle & Required Diameter
• Turn Radius & Bank Angle Simulator
• Universal Joint Velocity Simulator
• Vehicle Cornering Stiffness & Understeer Gradient Simulator
• Vehicle Dynamics Simulator
• Vehicle Roll Stability SSF (NHTSA) Simulator
• Wahl Correction Factor Simulator — Maximum Shear Stress in Helical Springs
• Braking Weight Transfer Simulator
• Wire Rope Strength Calculator — Breaking Load, WLL & Fatigue Life
• Worm Gear Efficiency & Self-Locking Calculator

Materials & Fracture (67)

• Archard Wear Law Simulator — Tribology of Sliding Contact
• Binary Phase Diagram & Lever Rule Calculator
• Bond Wire Fatigue Life Calculator — Coffin-Manson Law
• Bragg Diffraction Simulator — X-Ray Crystallography
• Brinell Hardness Test Simulator — HBW and Indent Diameter
• CFRP Laminate Tsai-Wu Failure Criterion Simulator
• Charpy Impact Test & Ductile-Brittle Transition Temperature (DBTT) Calculator
• Composite Material Failure Criteria Simulator — Tsai-Wu / Hashin / Max Stress
• Composite Laminate Abd Detail Simulator
• Composite Material (CFRP) Property Calculator
• Composite Plate CLT Calculator
• Composite Rule of Mixtures Simulator
• Concrete Carbonation Depth Prediction Simulator
• Concrete Creep & Shrinkage Simulator (Eurocode 2 / fib MC2010)
• Concrete Mix Design Calculator
• Concrete Shrinkage & Creep ACI 209R Simulator
• Concrete Mix Design & Strength Calculator
• Electrochemical Corrosion Simulator — Evans Diagram & Corrosion Rate
• Corrosion Protection Design Calculator — Galvanic Corrosion & Cathodic Protection
• Corrosion Rate Calculator — Butler-Volmer Equation & Evans Diagram
• Paris Law Fatigue Crack Growth Simulator — Fracture Mechanics
• Creep Analysis Simulator — Norton Power Law & Larson-Miller Parameter
• Creep & Stress Relaxation Simulator — Norton Power Law, Arrhenius
• Crystal Lattice Deformation Simulator — Dislocation & Elastic-Plastic Visualization
• Crystal Growth Simulator
• Crystal Lattice Structure Visualizer
• Crystal Lattice Viewer — BCC, FCC, Diamond, HCP & More
• Crystal Structure Simulator — SC/BCC/FCC/HCP/Diamond
• X-Ray Diffraction (XRD) Calculator
• Crystal Structure & Miller Indices Visualizer
• Damage Tolerance Design
• Fatigue Life & Goodman Diagram Tool
• Fatigue Notch Factor Kf Simulator — Neuber vs Peterson Method
• Variable Amplitude Fatigue Spectrum — Cumulative Damage Calculator (Miner's Rule)
• Linear Fracture Mechanics (LEFM) Calculator — Stress Intensity Factor K_I
• Mode II/III Fracture Mechanics & Mixed-Mode Fracture Calculator
• Fracture Toughness KIC Test Analysis — ASTM E399 & J-Integral
• Galvanic Series & Dissimilar Metal Corrosion Calculator
• Hall-Petch Equation Simulator — Grain Size Strengthening
• Hardness Conversion Simulator — HB ↔ HRC ↔ HV ↔ HK ↔ HS
• Heat Treatment CCT Diagram Simulator — Steel Microstructure & Hardness
• J-Integral & Stress Intensity Factor (KI) Calculator
• Jominy Hardenability Simulator — Carbon Equivalent and Heat Treatment
• Larson-Miller Parameter Simulator — Creep Life Prediction
• Magnetic Material Properties & B-H Curve Calculator
• Material Selection Ashby Chart Visualizer
• Miner Rule Simulator — Linear Cumulative Damage and Fatigue Life
• Paris Law Fatigue Crack Growth & Residual Life Calculator
• Binary Alloy Phase Diagram & Solidification Simulator
• Shot Peening Residual Stress Simulator
• Rubber Elasticity & Hyperelastic Models Simulator
• Scherrer Equation Simulator — Crystallite Size from X-Ray Diffraction
• Schmid Factor Simulator — Slip System Activation in Single Crystals
• Shape Memory Alloy Calculator
• S-N Curve Fatigue Life Estimation Tool
• Stress Corrosion Cracking & Hydrogen Embrittlement Risk Calculator
• Stress Intensity Factor Simulator — Linear Elastic Fracture Mechanics
• Stress-Strain Curve & Material Nonlinear Models
• Surface Treatment & Coating Design Calculator
• Tensile Test Simulator
• Thermal Fatigue Life Assessment — Coffin-Manson Law Calculator
• Thermal Shock & Fatigue Calculator — R-Value, Coffin-Manson Life
• Thermo-Mechanical Fatigue (TMF) Twin Test Simulator
• Tresca vs Mises Yield Criteria Simulator — Principal Stress Space Comparison
• Variable-Amplitude Fatigue Life Calculator (Rainflow + Miner's Rule)
• Viscoelasticity Calculator — Maxwell, Kelvin-Voigt, SLS Creep & Relaxation
• Yield Criteria Comparison Tool

Fluid Dynamics (165)

• Added Mass Simulator
• Aerodynamic Drag Simulator — Drag Force & Terminal Velocity
• Aerosol Deposition Simulator — Stokes Settling & Diffusion Calculator
• Aerosol Particle Dynamics Calculator
• Aircraft Performance Calculator
• Breguet Range Equation Simulator
• Aircraft Take-Off Distance & V1/Vr Simulator
• Airfoil Lift Calculator — CL, CD & L/D with Thin Airfoil Theory
• Airfoil (NACA 4-Digit) Simulator
• Archimedes Buoyancy Simulator
• Atmospheric Boundary Layer Profile Calculator — Log Law & Power Law
• Baseball Pitch Magnus Force Simulator
• Bernoulli Theorem Applications Simulator
• Bernoulli's Theorem Pipe Flow Visualizer
• Bingham Plastic Fluid Simulator — Yield-Stress Non-Newtonian Fluid
• Blasius Boundary Layer Simulator — Flat-Plate δ and C_f
• Turbulent Boundary Layer Simulator — Flat Plate 1/7 Power Law
• Flat Plate Boundary Layer Growth Simulator
• Buoyancy & Stability Simulator — Metacentric Height GM Calculator
• Buoyancy Calculator
• Capillary Rise Simulator
• Cavitation Npsh Margin Detail Simulator
• Cavitation Number Simulator
• Centrifugal Pump Curves Simulator — H-Q & Efficiency
• CFD Mesh Quality Metrics Calculator
• Choked Flow Simulator — Critical Conditions and Mass Flow Rate in a Converging Nozzle
• Aircraft Rate of Climb Simulator
• Coanda Effect Simulator — Attachment Angle of a Wall-Attached Jet
• Compressible Nozzle Area Mach Simulator
• Compressor Design Calculator — Isentropic Compression Simulator
• Compressor Polytropic Efficiency Simulator
• Compressor Surge Margin Map Simulator
• Control Valve Cv Cavitation Simulator
• Rayleigh–Bénard Convection Cells Simulator
• Convection-Diffusion Equation Simulator (Numerical Stability)
• Couette Flow Simulator — Viscous Flow Between Parallel Plates
• Cyclone Separator Cut Size Simulator
• Darcy vs Fanning Friction Factor Simulator
• Drag & Lift Force Calculator — Sphere, Cylinder & Flat Plate
• Drag Coefficient Calculator
• Air Drag & Terminal Velocity Simulator
• HVAC Duct Sizing Simulator — Rectangular Duct Pressure Drop
• Viscosity & Rheology Simulator — Newtonian and Non-Newtonian Fluid Models
• Airship Helium Buoyancy & Lift Simulator
• Pipe Entrance Region & Development Length Simulator
• Ergun Equation Simulator — Pressure Drop in Packed Beds
• Fan Curve & System Curve Calculator
• Fanno Flow Simulator — Compressible Duct Flow with Friction
• Filtration Pressure & Filter Media Resistance Calculator
• Fire Sprinkler Coverage & NFPA 13 Design Simulator
• Flow Around a Cylinder
• Flow Meter Design
• Flow Meter Calculator — Orifice, Venturi, Pitot Tube & Electromagnetic
• Journal Bearing Simulator — Reynolds Equation & Sommerfeld Number
• Bernoulli's Theorem Simulator — Pipe Flow Pressure & Velocity
• Water Hammer Pressure Surge Calculator
• Jet Pump (Ejector) Simulator — Entrainment Ratio, Pressure & Efficiency Calculator
• Pump & Fan Performance Curve Simulator
• Fluid Pressure & Buoyancy Simulator
• Pump Operating Point Calculator — H-Q Curve & System Curve
• SPH Fluid Simulator — Particle-Based Liquid Dynamics
• Fluid Statics Hydrostatic Pressure & Buoyancy Calculator
• Fluid Viscosity Simulator — Newtonian & Non-Newtonian Rheology
• Fluid Vortex Simulator — Free, Forced & Rankine Vortex Velocity and Pressure
• Fluidized Bed Simulator — Minimum Fluidization Velocity & Pressure Drop
• Free Fall & Terminal Velocity Simulator
• Froude Number Simulator — Subcritical and Supercritical Open Channel Flow
• Fuel Injection Spray Cone Angle & SMD Simulator
• Gas Dynamics & Compressible Flow Calculator
• Natural Gas Pipeline Throughput AGA 10 / Weymouth Simulator
• Glider Polar Curve & MacCready Speed Simulator
• Hagen-Poiseuille Flow Simulator — Laminar Pipe Flow
• Harbor Resonance & Natural Period Calculator (Open/Closed Boundary)
• HVAC Duct Pressure Drop ASHRAE Simulator
• Hydraulic Diameter Simulator — Non-Circular Ducts
• Hydraulic Jump Simulator
• Hydraulic Ram Pump Simulator — Water Hammer Cycle & Efficiency
• Hydrostatic Pressure Simulator
• ISS Microgravity Marangoni Convection Simulator
• Jet Impact Force Simulator
• Jet Mixing
• Karman Vortex Simulator — Strouhal Number and Lock-In
• Knudsen Number Simulator — Flow Regimes for Rarefied Gases
• Lava Lamp Simulator — Thermal Buoyancy & Natural Convection Physics
• Lift-Induced Drag Simulator — Wingtip Vortices and L/D Ratio
• Liquid Pour Simulator — Interactive SPH Particle Fluid
• Mach Cone Simulator — Sonic Boom from Supersonic Flight
• Mach Number Calculator — Isentropic Flow & Normal Shock Relations
• Marine Propeller Wageningen B-Series BP-δ Simulator
• Pipe Fitting Minor Loss Simulator — K-Factor Method
• Mixing Calculator — Mass, Volume & Molar Concentration
• Moody Diagram Simulator — Pipe Friction Factor
• 2D Navier-Stokes Flow Simulator
• Normal Shock Relations Simulator — Compressible Flow
• Convergent-Divergent Nozzle (De Laval) Design Calculator
• Isentropic Nozzle Flow Calculator
• NPSH Simulator — Pump Cavitation Margin Assessment
• Nusselt Correlation Simulator — Dittus-Boelter Correlation for Pipe Flow
• Oblique Shock Wave Simulator — θ-β-M Relation
• Ocean Wave Simulator — Dispersion Relation, Particle Orbits
• Open Channel Flow Calculator
• Orifice Plate Flow Meter Design Calculator
• Pipe Bend Thrust Force Simulator
• Pipe Flow Pressure Drop Calculator (Moody Chart)
• Pipe Network Hardy Cross Simulator
• Pipe Network Analysis
• Pitot Tube Velocity Simulator
• Potential Flow Around Cylinder Simulator
• Power-Law Fluid Simulator — Ostwald-de Waele Non-Newtonian Model
• Prandtl-Glauert Simulator — Subsonic Compressibility Correction
• Prandtl-Meyer Expansion Simulator — Compressible Flow
• Pipe Pressure Drop Calculator (Darcy-Weisbach)
• Pipe Pressure Drop Calculator
• Pressure Relief Valve Sizing (API 520)
• Propeller Actuator-Disk Simulator
• Marine Propeller Cavitation (Thoma + Burrill) Simulator
• Pump Affinity Laws Simulator (Centrifugal Pump Scaling)
• Pump Cavitation & NPSH Calculator
• Centrifugal Pump Design Calculator — H-Q Curve & Operating Point
• Pump Selection · System Curve · Operating Point Calculator
• Pump Specific Speed Simulator
• Pump Operating Point Simulator — Intersection of Pump and System Curves
• Rayleigh Flow Simulator — Compressible Duct Flow with Heating
• Reynolds Number Calculator & Flow Regime Map
• Reynolds Transport Theorem Simulator — Control Volume Analysis
• Richardson Number Simulator — Stability of Stratified Flow
• Rotameter (Variable-Area Flowmeter) Simulator
• Sedimentation Velocity & Stokes' Law Calculator
• Terminal Settling Velocity Simulator — Sphere Drag and Reynolds Regimes
• Ship Resistance & Hull Speed Calculator
• Ship Stability & Metacentric Height Calculator
• Shock Tube Simulator
• Siphon Flow Simulator
• Sluice Gate Flow Simulator
• Sphere Drag Coefficient Simulator — C_D vs Reynolds Number
• Strouhal Number & Vortex Shedding Simulator — Karman Vortices and Lock-on
• Sudden Expansion Loss Simulator — Borda-Carnot
• Surface Tension Simulator — Capillary Rise, Contact Angle & Bubble Pressure
• Surge Tank Oscillation Simulator
• Swimming Drag & Power Calculator
• Tunnel Fire CFD Ventilation Critical Velocity Simulator
• Road Tunnel Jet Fan Ventilation Simulator
• Tunnel Ventilation Piston Effect Simulator
• Turbine Blade Aerodynamics — NACA Airfoil Lift & Drag
• Turbomachinery Velocity Triangle Simulator — Centrifugal Pump & Turbine
• Turbulence Model Selection Guide & y+ Calculator
• Two-Phase Flow Simulator (Gas-Liquid)
• U-Tube Manometer Simulator — Differential Pressure Measurement
• Valve Sizing & Cv Flow Coefficient Calculator
• Vehicle Aerodynamic CD & Rear Wing Downforce Simulator
• Venturi Meter Simulator
• Vortex Formation Simulator — Interactive Fluid Vortex Visualization
• Wake of Bluff Bodies Simulator — C_D and Strouhal Number
• Water Hammer Calculator — Joukowsky Surge Pressure in Pipelines
• Tank Draining Simulator — Torricelli's Law
• Wave Diffraction in Harbors (Sommerfeld Theory)
• Wave Tank Simulator — 2D Wave Equation, Interference & Diffraction
• Weber Number Simulator — Droplet Inertia vs Surface Tension
• Weir Flow Simulator — Rectangular and V-Notch
• Wind Shear Profile IEC 61400 Simulator
• Wind Tunnel Blockage Correction Simulator
• Wing Lift & Drag Calculator — NACA Airfoil Aerodynamics
• Dimensionless Wall Distance y+ Simulator — CFD Boundary Layer Resolution
• Young-Laplace Simulator — Surface Tension and Capillary Action
• CFD Near-Wall y⁺ Calculator

Thermal (116)

• 2d Conduction Temperature Simulator
• Accelerated Life Arrhenius Model Simulator
• Ahu Heat Balance Simulator
• Atkinson Cycle Simulator
• Bell-Coleman Cycle Simulator
• Biot Number Simulator — Lumped Capacitance Validity for Transient Heat
• Black-Body Radiation Simulator
• Blackbody Color Temperature Simulator
• Boiling Correlations Detail Simulator
• Boiling Curve Simulator — Nukiyama Curve and Pool Boiling
• Boiling Heat Transfer Calculator
• Brayton Cycle Simulator — Thermal Efficiency of a Gas Turbine
• Carnot Cycle Simulator — P-V & T-S Diagram, Thermal Efficiency
• Chilled Water Coil Performance Simulator
• Newton's Law of Cooling — Coffee Simulator
• Combined Cycle Power Plant Simulator
• Film Condensation on a Vertical Plate Simulator
• Forced Convection Heat Transfer Calculator — Nusselt Number & h
• Convective Drying Rate Calculator
• Cooling Coil Load Simulator — Sensible, Latent & Total Heat
• Cooling Tower Performance Simulator — Merkel / NTU Method
• Critical Radius of Insulation Simulator
• Datacenter PUE Cooling Efficiency Simulator — hyperscale
• Dew Point and Relative Humidity Calculator — Magnus Approximation
• Diesel Cycle Simulator
• Disc Brake Thermal Simulator
• Dual (Sabathé) Cycle Simulator
• Outdoor & Return Air Enthalpy Mixing Simulator
• Ericsson Cycle Simulator
• Free-Water-Surface Evaporation Rate — ASHRAE / Carrier
• Exergy Analysis Simulator
• Fin Array Simulator — Heat Sink Total Heat Transfer
• Fin Efficiency & Temperature Distribution Calculator
• Fin Heat Transfer Simulator — Efficiency, Temperature Distribution & Optimal Design
• Finite Difference Heat Conduction Simulator — Explicit FDM & Stability
• Furnace / Boiler Efficiency Simulator
• Real Gas Compressibility Factor Simulator
• Intercooled Gas Turbine Simulator
• Grashof Number Simulator — Natural Convection Characteristic Number
• Agricultural Greenhouse Energy Balance Simulator
• 1D Transient Heat Conduction Simulator
• 2D Heat Conduction FDM Simulator — Temperature Contour & Isotherms
• Transient Heat Conduction Heisler Chart Calculator — Plane Wall, Cylinder & Sphere
• 2D Transient Heat Conduction Simulator
• Heat Diffusion Equation Simulator
• 2D Transient Heat Equation Simulator
• Heat Exchanger Design Calculator (NTU-ε & LMTD)
• Double-Pipe Heat Exchanger Design Calculator (LMTD & NTU Method) — Parallel/Counter Flow
• Heat Exchanger Design Calculator (NTU-Effectiveness / LMTD Method)
• Shell & Tube Heat Exchanger Designer
• Building Heat Loss Simulator — U-Value, R-Value & Heating Load Calculator
• Heat Pipe Performance Calculator — Capillary Limit & Effective Conductance
• Heat Pump & Refrigeration COP Calculator — Carnot Cycle Efficiency
• Blackbody Radiation Simulator — Planck Distribution & Stefan-Boltzmann Law
• Energy Recovery Ventilator (ERV) Simulator
• HRSG (Heat Recovery Steam Generator) Simulator
• Heat Sink Design Calculator (Electronics Cooling / Junction Temperature)
• Thermal Radiation Heat Transfer Calculator — Stefan-Boltzmann Law
• Heating Curve Simulator
• Heisler Chart Simulator — Transient Conduction
• HVAC Thermal Load Calculator
• Ideal Gas Simulator (PVT Surface)
• Jet Engine Performance Calculator — Brayton Cycle T-s Diagram
• Jet Impingement Cooling Simulator — Heat Transfer on the Plate
• Joule-Thomson Effect Simulator — Throttle Expansion and Temperature Change
• LED Design & Thermal Calculator
• LED Junction Temperature & Thermal Design Simulator
• LMTD Simulator — Log Mean Temperature Difference for Counter and Parallel Flow
• Lumped Capacitance Method
• Maxwell-Boltzmann Speed Distribution Simulator
• Mean Free Path Simulator — Kinetic Theory of Gases
• Multi-Layer Wall Thermal Resistance & U-Value Calculator
• Natural Convection Heat Transfer Coefficient Calculator
• Otto Cycle Simulator — Thermal Efficiency of a Spark-Ignition Engine
• Overall Heat Transfer Coefficient Simulator
• Passive House Air Tightness n50 Blower Door Simulator
• PCB Thermal Analysis · Junction Temperature Calculator
• Phase Change Material (PCM) Thermal Analysis Tool
• Piston Engine Thermodynamics Simulator — Otto & Diesel Cycle P-V Diagram
• Polytropic Process Simulator
• Psychrometric Chart Calculator — Dry-Bulb, Humidity Ratio & Enthalpy
• Radial Conduction Through a Sphere Simulator
• Radiant Cooling Load Simulator
• Radiation Network Simulator — Surface & Space Resistances
• Radiation View Factor Calculator
• Rankine & Refrigeration Cycle Simulator
• Refrigerant Selection & Environmental Properties Comparison Tool
• Vapor Compression Refrigeration Cycle Calculator — P-h Diagram & COP
• Vapor Compression Refrigeration Cycle Designer — COP, Capacity & P-h Diagram
• Regenerator Effectiveness Simulator
• Sensible Heat Factor (SHF) Calculator — HVAC Load Balance
• Window Solar Heat Gain (SHGC) Simulator
• Specific Heat & Calorimetry Simulator
• Stack Effect (Chimney Draft) Simulator
• Steam Properties Calculator — Mollier Diagram & Steam Tables
• Steam Rankine Cycle Calculator
• Steam Tables Simulator — Water/Steam Thermodynamic Properties
• Stefan-Boltzmann Radiation Calculator
• Stirling Engine Cycle Simulator
• Swimming Pool Heat Loss & Evaporation Simulator
• Thermal Bridge 2D Heat Conduction Simulator
• Thermal Camera Simulator
• Thermal Barrier Coating (TBC) Calculator — Multilayer Heat Resistance
• Thermal Comfort (PMV-PPD) Simulator
• Thermal Contact Resistance Simulator
• Thermal Expansion Calculator
• Thermocouple Transient Response Simulator — First-Order Lag
• Thermocouple Seebeck EMF Simulator
• Thermodynamic Cycle Calculator (Carnot, Otto, Diesel, Brayton)
• Thermosiphon Loop Simulator
• Transient Semi-Infinite Solid Simulator
• Vaccine Cold Chain Thermal Mass Holdover Simulator
• Van der Waals Gas Simulator — Real Gas Compressibility Factor
• CO₂-Based Ventilation Rate Simulator
• WBGT (Wet Bulb Globe Temperature) Heat Index Simulator
• Wien Displacement Law Simulator — Peak Wavelength of Black-Body Radiation

Electromagnetics & Circuits (148)

• AC Circuit Impedance Simulator — RLC Series/Parallel, Resonance & Bode Plot
• Series RLC Circuit Simulator — AC Impedance and Resonance
• ADC Quantization Noise & SNR Simulator
• ADC Sampling Jitter SNR Simulator
• Ampere Law Simulator — Magnetic Field of Straight Currents and Solenoids
• Antenna Array Beamforming Calculator
• Antenna Basics · Dipole Antenna Calculator
• Friis Transmission Equation Simulator
• Antenna Gain & Directivity Simulator — Friis Transmission Equation
• Antenna Radiation Pattern Simulator
• Antenna Radiation Pattern Visualizer — Directivity, Gain & HPBW Calculator
• Arc Flash Hazard Analysis Tool — IEEE 1584 Incident Energy Calculator
• Resistive Attenuator Pad Simulator
• Band-Pass Filter Simulator — Series RLC Resonance and Q-factor
• Biosensor EIS (Electrochemical Impedance Spectroscopy) Simulator
• Biot-Savart Law Simulator — Magnetic Field of a Circular Current Loop
• BJT Amplifier AC Analysis (CE/CB/CC)
• Boost Converter Duty Cycle Simulator
• Branch-Line Coupler Simulator
• Buck Converter Ripple Simulator
• Busbar Sizing Simulator
• Cable Voltage Drop Simulator
• RC Capacitor Charge/Discharge Simulator — τ=RC
• Charged Particle in Electromagnetic Field Simulator
• Circuit Builder — Ohm's Law & Series/Parallel Circuits
• Coaxial Cable Impedance Calculator — Z_0 and Propagation Speed
• Coil Inductance Calculator (Nagaoka Coefficient & Wheeler Formula)
• Coplanar Waveguide (CPW) Simulator — Characteristic Impedance Z_0
• Transmission Line Corona Loss Simulator
• Coulomb Law Simulator — Electric Force Between Point Charges
• Coulomb Force Visualizer
• Crosstalk in Coupled Lines Simulator
• Differential Pair Impedance Calculator — USB / HDMI 100 ohm Routing
• Half-Wave Dipole Antenna Simulator
• Eddy Current Simulator — Skin Effect, Loss & Braking Force
• DC Circuit Simulator
• Electric Field & Potential Simulator — Point Charge Superposition
• PMSM Electric Motor Design Calculator
• Electric Motor Torque Simulator
• Electric Field & Potential Visualizer — Equipotential Lines & Field Lines
• Electric Power Calculator — Phasor Diagram, Power Triangle & AC Power
• Electrical Grounding Resistance Calculator (IEEE 80 / Wenner)
• AC Induction Motor Simulator — Torque-Speed Curve & Efficiency
• Electromagnet Lifting Force Simulator
• Electromagnetic Coupling Simulator — Mutual Inductance & Transformer
• Electromagnetic Induction & Faraday's Law Calculator
• Electromagnetic Shielding Effectiveness Calculator — Skin Depth, SE (dB)
• Electromagnetic Wave Simulator — E & B Field Visualization
• Electromagnetic Induction (Faraday's Law) Simulator
• Flyback Converter Simulator
• Gauss's Law Electric Field Simulator
• Hall Effect Simulator — Charge Carrier Density Measurement
• High-Pass Filter Simulator — First-Order RC Filter Frequency Response
• High-Voltage Lightning Arrester Rating Simulator
• Hysteresis Loss & Magnetic Circuit Designer
• Impedance Matching Simulator — Reflection Coefficient and SWR
• Three-Phase Induction Motor Calculator
• Inductor & RL Circuit Transient Response Simulator
• Kirchhoff Laws Simulator — Series-Parallel Resistor Circuit
• LC Circuit Oscillation Simulator — RLC Damped Oscillation
• LED Series Resistor Calculator
• Lightning Protection Design Calculator — Rolling Sphere & Protection Angle
• Wireless Link Budget Calculator (Friis Equation)
• Power System Load Flow Calculator (Gauss-Seidel)
• Logic Gate Simulator — AND/OR/NAND/XOR/Adder/Flip-Flop
• Low-Pass Filter Simulator — First-Order RC Filter Frequency Response
• Magnetic Levitation Simulator (PID Control) — Earnshaw's Theorem
• Neodymium Magnet Flux & Force Air Gap Simulator
• Magnetic Circuit & Reluctance Simulator
• Magnetic Field Lines Simulator — Pole Placement & Field Visualization
• Solenoid Magnetic Field Simulator — B-field Distribution & Inductance
• Magnetic Field Lines Simulator — Electromagnetic Visualization
• Lorentz Force & Charged Particle Motion Simulator
• Magnetic Hysteresis Simulator — B-H Loop & Magnetization Curve
• Magnetic Levitation Stability Simulator — PID Control & Step Response
• Transformer Design Calculator — Turns Ratio, Efficiency & Voltage Regulation
• Magnetohydrodynamics (MHD) Simulator — Hartmann Flow
• Mass Spectrometer Simulator — Mass Separation by Circular Motion in a Magnetic Field
• Microstrip Patch Antenna Simulator
• Microwave Filter Design Tool
• Microstrip Transmission Line Calculator — Z0, εeff, λ/4 Length
• Microwave Transmission Line Calculator
• Power MOSFET Switching Loss Simulator
• DC Motor Speed-Torque Characteristics Simulator
• Motor Starting Current Simulator
• 555 Timer Astable Simulator
• Cascade Noise Figure (Friis) Simulator
• OFDM Subcarrier Simulator
• Ohm's Law & DC Circuit Simulator — Voltage, Current, Resistance
• Op-Amp Circuit Simulator — Inverting, Integrator, Differentiator
• LC/RC Oscillator Design Calculator
• Per-Unit System Simulator — Power System p.u. Value Conversion
• Phase-Locked Loop (PLL) Simulator
• Phased Array Antenna Beam Steering Simulator
• Piezoelectric Transducer Coupling Coefficient (k) Simulator
• Piezoelectric Calculator
• Power Cable Ampacity Simulator
• Power Electronics Converter Calculator
• Power Factor Correction Capacitor Calculator
• Switching Power Supply Designer — DC-DC Converter Calculator
• Power System Load Flow Calculator
• Poynting Vector Simulator — Plane Wave Power Flux
• Quarter-Wave Impedance Matching Simulator — Z_T & Bandwidth
• Radar Range Equation Simulator
• RC/RL Circuit Transient Response Analyzer
• Rectifier Ripple Voltage Simulator
• Reflection Coefficient Simulator — Complex Gamma and Z_in Transform
• Electromagnetic Relay Pull-In Simulator
• LCR Resonance Circuit Simulator — Impedance, Phase & Q-Factor Calculator
• UHF RFID Link Budget & Backscatter Distance Simulator
• RLC Circuit Resonance Simulator — Impedance, Q Factor & Bandwidth
• Schmitt Trigger Simulator
• PN Junction Diode I-V Characteristic Simulator — Shockley Equation
• Servo Motor Torque-Speed Curve Calculator
• Shockley Diode Simulator — pn Junction I-V Characteristic
• Short-Circuit Current Calculator (Symmetrical & Asymmetrical Faults)
• Sigma-Delta ADC Oversampling Noise Shaping SNR Simulator
• Skin Depth (Skin Effect) Calculator
• Skin Effect Simulator — AC Current Surface Concentration
• Smith Chart Simulator — Reflection Coefficient and VSWR
• Solenoid / Coil Design Calculator
• Stepper Motor Calculator
• Single-Stub Matching Simulator
• Symmetrical Components Simulator — Positive/Negative/Zero Sequence Decomposition
• Synchronous Machine Load Angle Simulator
• NTC Thermistor Simulator — Resistance-Temperature Characteristic
• Thevenin Equivalent Simulator — Maximum Power Transfer
• Third-Order Intercept Point (IP3) Simulator
• Three-Phase Power Calculator — Active, Reactive & Apparent Power
• Thyristor Phase Control (Firing Angle) Simulator
• Total Harmonic Distortion (THD) Simulator
• Transformer Design Calculator
• Transformer Efficiency Simulator — Core Loss, Copper Loss & Optimal Load
• Transformer Voltage Regulation Simulator
• BJT Common-Emitter Amplifier Calculator — Operating Point, Gain & Load Line
• BJT Transistor DC Bias Design
• Ferranti Effect Simulator
• Transmission Line · Reflection Coefficient · Impedance Matching Calculator
• PCB Via Inductance Simulator
• VSWR Simulator — Reflection Coefficient, Standing Wave Ratio and Return Loss
• Rectangular Waveguide Mode Calculator
• Wheatstone Bridge Simulator — Balance Condition & Sensitivity
• Wien Bridge Oscillator Simulator — Sinusoidal Oscillation Conditions
• Wilkinson Power Divider Simulator
• Wireless Power Coupling Coefficient & Q-Factor Simulator
• Wireless Power Transfer Simulator
• Y-Delta (Star-Delta) Transform Simulator
• Zener Voltage Regulator Simulator

Controls & Robotics (47)

• Two-Degree-of-Freedom Control — Independent Setpoint and Disturbance Design
• Adaptive Control MRAC Simple Simulator
• Anti-Lock Braking System (ABS) Slip Ratio Simulator
• Anti-Windup PI Controller Simulator
• Attitude Control Thruster Sizing Simulator
• Bang-Bang Control Simulator — Time-Optimal Control
• Bode Lead Lag Compensator Simulator
• Bode Plot Generator (Frequency Response)
• Cascade Control Simulator — Dual-Loop PID Step Response
• Bode Plot Simulator — Transfer Function Gain & Phase Response
• Control System Step Response Simulator
• Describing Function Simulator
• Digital PID Discretization Simulator
• Disturbance Observer (DOB) Simulator — DOB+PI vs. PI Alone
• Quadrotor Drone Thrust Allocation Simulator
• Feedforward Compensation Simulator — Disturbance Rejection
• Gain Scheduling Control Simulator
• H-Infinity Control Simulator — Mixed Sensitivity Design
• Haptic Feedback Device Bandwidth & Z-Width Simulator
• Inverse Response Simulator — Step Response of an RHP-Zero Process
• Jury Stability Test Simulator
• Kalman Filter Simulator — State Estimation & Noise Reduction Visualization
• Loop Shaping Simulator — Bode Plot and Stability Margins
• LQR Inverted Pendulum Simulator — Optimal State Feedback
• Model Predictive Control Simulator — Finite-Horizon Optimization
• Nichols Chart Simulator
• Nyquist Diagram & Stability Margin Calculator
• State-Space Observability Simulator
• Padé Approximation of Time Delay Simulator
• Particle Filter Simulator
• PID Controller Simulator
• PID Tuning Method Comparison (Z-N / IMC / SIMC)
• Pole Placement Simulator — State Feedback Design
• PWM Motor Control Calculator
• Relative Gain Array (RGA) Simulator
• Robot Arm Jacobian Singularity Simulator
• 2-Link Robot Arm Kinematics Simulator — FK & IK
• Root Locus Control System Designer
• Routh-Hurwitz Stability Criterion Simulator
• Servo Mechanism Calculator
• Second-Order Step Response Simulator
• Sliding Mode Control — VSC and Robustness
• Smart Grid Frequency Droop Control Simulator
• Smith Predictor Simulator — Dead-Time Compensation vs PI
• State-Space Controllability Simulator
• State Space Analysis
• Steady-State Error vs System Type Simulator

Vibration & Dynamics (68)

• Accelerometer Frequency Response Simulator
• Base Excitation Transmissibility Simulator
• Base Isolation Period Shift Simulator
• Beam Vibration Modes — Natural Frequencies & Mode Shapes
• Campbell Diagram Simulator — Rotor Critical Speeds
• Centrifugal Governor Simulator
• Cepstrum Analysis Simulator — Speech & Vibration Analysis
• Chladni Figures Simulator — Vibration Modes of a Square Plate
• Coulomb Damping Simulator — Free Vibration with Dry Friction
• Shaft Critical Speed Simulator
• Damped Natural Frequency Simulator
• Double Pendulum Chaos Simulator — Lagrangian Dynamics & RK4 Integration
• Drumhead Vibration Simulator — Bessel Modes of a Circular Membrane
• Eigenvalue Analysis
• Elastic Wave Propagation Simulator (P-wave & S-wave)
• Liquid Sloshing Analysis — Natural Frequencies & Equivalent Pendulum
• Foucault Pendulum Simulator — Earth Rotation Precession
• Natural Frequency & Vibration Mode Calculator — Beams & Strings
• Frequency Response Function (FRF) Calculator — Bode Plot, Resonance, Damping
• Half-Power Bandwidth Damping Simulator
• Harmonic Motion Simulator (SHM, Damped, Driven)
• Lamb Wave Dispersion Simulator — Plate S_0/A_0 Modes
• Lissajous Curves Simulator
• Lissajous Figures Simulator — Vibration & Wave Patterns
• Lissajous Figure & Vibration Synthesis Simulator
• Logarithmic Decrement Damping Simulator
• Magnetic Pendulum Chaos Simulator — Fractal Basin of Attraction
• 3-DOF Mass-Spring System & Dynamic Vibration Absorber Simulator
• 1D FEM Modal Analysis Simulator — Natural Frequencies & Mode Shapes
• Modal Analysis Simulator — 2-DOF Spring-Mass System
• Nonlinear Vibration Calculator
• Parametric Oscillator Simulator — Mathieu Equation, Stability Diagram
• Large-Amplitude Pendulum Simulator — Period vs Amplitude
• Pendulum Wave Simulator
• Rayleigh-Ritz Method Natural Frequency Estimator
• Resonance Frequency Simulator — Forced Vibration, Q Factor & Damping
• Response Spectrum Simulator — SDOF Seismic Design Response
• Rotating Unbalance Vibration Simulator
• Rotor Balancing Simulator
• Rotor Dynamics Critical Speed Calculator
• Random Vibration Analysis Tool (PSD Input)
• SDOF Frequency Response Analysis Tool
• Seismic Design Simulator — Response Spectrum & Story Shear
• Seismic Hazard Response Spectrum Calculator — Sa(T) & Base Shear
• Seismic Isolation Analysis Tool — Natural Period, Displacement & Response Spectrum
• Seismic Response Spectrum (Sa/Sv/Sd) Simulator
• Seismic Response Spectrum Calculator
• Shock Absorber / Vehicle Suspension Analysis
• Shock Response Spectrum Simulator
• Spring Constant Calculator — Coil Spring, Leaf Spring & Natural Frequency
• Spring-Dashpot Viscoelastic Model Simulator — Maxwell & Kelvin-Voigt
• Spring-Mass Oscillation Simulator
• Spring Pendulum (Elastic Pendulum) Simulator — Parametric Resonance & Chaos
• Spring-Mass-Damper System Analyzer (Static & Dynamic)
• Standing Wave Modes on a String
• Stick-Slip Friction Simulator — Self-Excited Vibration
• String Vibration Frequency Simulator
• Structural Dynamic Response Simulator (SDOF)
• Torsional Pendulum Simulator — Natural Frequency & Period Calculator
• Torsional Vibration Analysis — Multi-DOF Shaft System
• Tuned Mass Damper Simulator
• 2-DOF Coupled Vibration & Dynamic Absorber Simulator
• Tuned Mass Damper (TMD) Simulator — Den Hartog Optimal Design
• Vibration Signal Analyzer (Machinery Diagnostics)
• Vibration Damping Simulator — SDOF Damped Response & Logarithmic Decrement
• Vibration Isolator Simulator — Transmissibility TR & Frequency Ratio
• Vibration Measurement Analysis Tool — Acceleration/Velocity/Displacement & ISO 10816
• Vibration Fatigue PSD Stress Calculator — Steinberg 3σ Method

Acoustics (40)

• Acoustic Beats Simulator — Two-Tone Interference and Beat Frequency
• Acoustic Impedance Tube Simulator
• Acoustic Impedance Reflection & Transmission Calculator
• Acoustic Resonance & Wind Instrument Simulator — Standing Waves in Pipes
• Acoustic Standing Wave Simulator (Tube & Room Modes)
• Room Acoustics Reverberation Time Calculator — Sabine & Eyring RT60
• Active Noise Control FXLMS Simulator
• Anechoic Chamber Low-Frequency Cutoff Simulator
• Doppler Effect Simulator — Observed Frequency & Wavefront Animation
• Drone Quadcopter Noise Prediction Simulator
• HVAC Duct Silencer Attenuation Simulator
• Echo Delay & Distance Calculator
• Helmholtz Resonator Simulator — Acoustic Resonance
• Loudspeaker Thiele-Small Parameters Simulator
• Microphone Array Beamforming (Delay-and-Sum) Simulator
• Muffler Transmission Loss Simulator
• Music Chord Harmonics Visualizer
• Noise Propagation & Distance Attenuation Calculator
• Noise Barrier Insertion Loss Calculator — Maekawa Diffraction
• Room Noise Criterion (NC) Curve Simulator
• Noise Level Calculator — SPL Combination, Distance Attenuation & A-Weighting
• Noise Mapping · ISO 9613-2 Compliant
• Room RT60 Sabine/Eyring Acoustic Design Simulator
• Noise & Vibration dB Calculator — SPL, Distance Attenuation, A-Weighting
• Octave Band Noise Spectrum Analyzer
• Room Reverberation Time Simulator
• Sound Absorption & Reverberation Time Calculator (Sabine)
• Sound Level & Decibel Scale Calculator
• Sound Pressure Level & Noise Calculator (dB Combination)
• Sound Power Level (ISO 3744) Simulator
• Sound Pressure Level vs Distance Simulator
• Sound Transmission Class (STC) Simulator
• Sound Wave Simulator (Web Audio API) — See & Hear Frequency, Waveform & Beats
• STI Speech Intelligibility Simulator
• Speed of Sound Simulator — Wave Propagation in an Ideal Gas
• String Resonance & Standing Wave Simulator — Harmonics, Mode Shapes & Acoustics
• Subwoofer Bass-Reflex Port Tuning — Helmholtz Fb
• Double-Wall Sound Transmission Loss (TL) Simulator
• Ultrasound Attenuation Simulator
• Underwater Acoustic Sonar Equation Range Simulator

Optics (42)

• Airy Disk Simulator — Diffraction Limit and Rayleigh Resolution
• Beer-Lambert Law Simulator — Absorbance, Transmittance & Concentration
• Chromatic Aberration Simulator — Axial CA & Abbe Number
• Additive Color Mixing Simulator — RGB Light Superposition
• Daylight Factor Simulator
• Depth of Field Simulator
• Diffraction Grating Simulator — Grating Equation, Angular Dispersion & White Light Rainbow
• Diffraction & Young's Double-Slit Calculator
• EDFA Erbium-Doped Fiber Amplifier Noise Figure Simulator
• Fabry-Perot Interferometer Simulator — Finesse and Transmission
• Optical Fiber Numerical Aperture Simulator
• Fresnel Diffraction Pattern Calculator — Near-Field Optics Simulator
• Fresnel Equations Simulator — Polarization-Dependent Reflectance & Brewster Angle
• Gaussian Beam Simulator — Laser Beam Propagation
• Holographic Interference Pattern Simulator — Coherent Light Fringe Visualization
• Laser Cavity Design Calculator | Threshold Current, Slope Efficiency, Q-Factor
• Laser Optics & Gaussian Beam Design Calculator
• Lens Magnification Simulator — Ray Tracing & Image Formation
• Lensmaker Equation Simulator — Thin Lens Imaging
• Thin Lens Ray Tracer & Optics Simulator — Focal Length, Image Position, Magnification
• LiDAR Time-of-Flight Distance Resolution Simulator
• Malus Law Simulator — Three-Polarizer Paradox
• Michelson Interferometer Simulator — Path Difference and Fringes
• Modulation Transfer Function (MTF) Simulator
• Monte Carlo Radiative Transfer (MCRT) Simulator
• Optical Coherence Tomography (OCT) Resolution Simulator
• Optical Fiber Communication Simulator — NA, Attenuation, Dispersion
• Optical Fiber Link Design Calculator
• Optical Microscopy Resolution & Depth of Field Calculator
• Optical Resonator Design Tool — FSR, Finesse, Q-factor Calculator
• Photodetector & Optical Sensor Calculator | Responsivity, NEP, D*, SNR
• Thin Lens Calculator — Ray Diagram, Focal Length & Image Formation
• Photodetector Design Calculator — SNR, NEP, Detectivity D*
• Polarization Optics & Jones Vector Calculator
• Prism Refraction Simulator
• Single-Slit Diffraction Simulator — Intensity Pattern & Minima Positions
• Snell's Law Simulator — Refraction & Total Internal Reflection
• Spherical Aberration Simulator — Paraxial vs Marginal Focus
• Stage LED Lighting Lumens & Efficacy Simulator
• Thin Film Optics & Anti-Reflection Coating Simulator
• Total Internal Reflection Simulator — Critical Angle and Evanescent Wave
• Young's Double-Slit Interference Simulator

Quantum & Atomic (30)

• Bohr Hydrogen Atom Model
• Bose-Einstein Distribution Simulator — Quantum Statistics of Bosons
• Charged Particle Trap Simulator (Paul Trap) — Real-Time Visualization
• Compton Scattering Simulator — Photon-Electron Wavelength Shift
• Fermi-Dirac Distribution Simulator — Quantum Statistics of Electrons
• Quantum Harmonic Oscillator Wave Function — Hermite Polynomials
• Heisenberg Uncertainty Principle Simulator — dx dp Visualization
• Hydrogen Atom Spectrum & Bohr Model Calculator
• Nuclear Binding Energy Simulator — Liquid Drop Model & Mass Defect
• Radioactive Decay & Half-Life Simulator
• Nuclear Fission Chain Reaction Simulator — keff, Neutron Multiplication
• Nuclear Fuel Burnup & Reactivity Simulator
• Nuclear Fusion Tokamak Q-Factor Simulator
• Nuclear Reactor Neutron Diffusion Simulator
• Radiation Shielding Calculator — Gamma-Ray Attenuation Simulator
• Particle in a Box Simulator (Infinite Square Well)
• Photoelectric Effect Simulator
• Photon Energy & Quantum Efficiency Calculator
• Quantum Harmonic Oscillator Simulator — Wave Functions & Energy Levels
• Quantum Spin Simulator — Bloch Sphere & Larmor Precession
• Quantum Tunneling Simulator
• Quantum Well Energy Levels Calculator
• Radiation Shielding Calculator
• Radioactive Decay Chain Simulator
• Radioactive Decay & Half-Life Calculator
• Radiocarbon Dating Simulator — C-14 Decay & Age Estimation
• Nuclear Reactor Point Kinetics Simulator
• Spin Precession Simulator — Larmor Precession and NMR/MRI Basics
• Wave-Particle Duality Simulator — de Broglie Wavelength & Double-Slit
• WKB Approximation Simulator — Quantum Tunneling Probability

Chemistry & Reaction Eng. (61)

• Absorption Column Design Tool — NTU/HTU Packed Tower Calculator
• pH Calculator Simulator — Acid-Base & Henderson-Hasselbalch
• Adiabatic Flame Temperature Simulator
• Adiabatic Reactor Temperature Rise Simulator
• Adsorption Breakthrough Curve Simulator
• Algae Photobioreactor Productivity Simulator
• Antoine Vapor Pressure Simulator
• Axial Dispersion Reactor Model Simulator
• Biomass Fast Pyrolysis Bio-oil Yield Simulator
• Biopharma Stirred Bioreactor Mixing Time Simulator
• Cathodic Protection & Sacrificial Anode Design Calculator
• Chemical Equilibrium Calculator · Le Chatelier's Principle
• Chemical Reaction Kinetics Simulator — Concentration-Time Profiles
• Chromatography Plate Height Van Deemter Simulator
• Clausius-Clapeyron Vapor Pressure Simulator
• Combustion Stoichiometry & Flue Gas Calculator
• CSTR vs PFR Comparison Simulator
• Damköhler Number Simulator
• Diffusion FICK Second Law Simulator
• Distillation Column Design Calculator (McCabe-Thiele)
• Distillation Mccabe Thiele Simulator
• Distillation Column Designer — McCabe-Thiele Method
• Thin-Layer Drying Page Model Simulator
• Electrochemistry & Electrolysis Calculator — Faraday's Law
• Electrolysis & Electroplating Calculator
• Electroplating Calculator — Faraday's Law, Film Thickness & Mass
• Mixing Entropy Simulator — Ideal Gas Three-Component Mixing
• Flash Distillation Simulator
• Ideal Gas Law Simulator — P-V-T 3D Surface & State Calculator
• Gibbs Free Energy Simulator — Reaction Spontaneity and Equilibrium Constant
• Fuel Heating Value & Thermal Efficiency Calculator
• Henderson-Hasselbalch Simulator — Buffer pH
• Henry's Law Gas Solubility Simulator
• Hess's Law & Reaction Enthalpy Calculator
• Langmuir Adsorption Isotherm Simulator — Coverage and Equilibrium Constant
• Langmuir-Hinshelwood Surface Reaction Kinetics Simulator
• Liquid-Liquid Extraction Simulator
• Mass Diffusion & Fick's Law Simulator
• Stirred Tank Reactor & Mixing Calculator
• Molarity & Dilution Calculator
• Molecular Dynamics Simulator — Lennard-Jones Potential
• Multiple-Effect Evaporator Simulator
• Nernst Equation Simulator — Electrode Potential & EMF Calculator
• Organic Molecule Structure Viewer
• Osmotic Pressure Simulator
• Periodic Table Trends Visualizer
• Gibbs Phase Rule Simulator — Degrees of Freedom in Phase Equilibria
• Protein Properties & Molecular Weight Calculator — pI, Diffusion Coefficient, Hydrodynamic Radius
• Pyrolysis Kinetics Calculator
• Reaction-Diffusion Simulator
• Reaction Kinetics Calculator · Arrhenius Equation
• Arrhenius Equation Reaction Rate Simulator
• Reaction Selectivity Simulator
• Chemical Reactor Design (CSTR & PFR) — Volume, Conversion, Levenspiel Plot
• Residence Time Distribution (RTD) Simulator
• Semi-Batch Reactor Simulator
• Stoichiometric Air/Fuel Ratio Simulator
• Thiele Modulus & Catalyst Effectiveness Factor Simulator
• Titration Simulator — pH Curve for Acid-Base Reactions
• Turing Pattern Reaction-Diffusion Simulator — Self-Organizing Patterns
• Vapor-Liquid Equilibrium Simulator — Raoult's Law

Manufacturing (49)

• SLM Laser Melt Pool Design Simulator
• AM Thermal Distortion & Residual Stress Simulator (Inherent Strain Method)
• Additive Manufacturing & 3D Printing Thermal Calculator
• Blast Furnace Coke Rate & Reductant Ratio Simulator
• Broaching Force Simulator
• Carbon Equivalent Weldability Simulator
• Casting Riser Design Simulator
• Casting Solidification Chvorinov Simulator
• Semiconductor CMP Removal Rate (Preston Equation) Simulator
• Semiconductor CMP Wafer Pad Pressure Uniformity Simulator
• CNC Machining
• CNC Milling Regenerative Chatter Stability Lobe Diagram Simulator
• Cutting Temperature Estimator
• Deep Drawing Force Simulator
• Eccentric Weld Group Simulator
• EDM Material Removal Rate Simulator
• Fillet Weld Joint Strength Calculator
• Food Pasteurization D-value & F-value Simulator
• Forging Load Estimate Simulator
• Forming Limit Diagram (FLD) & Strain Path Visualization Tool
• Freeze Drying Process Calculator — Sublimation Rate & Drying Time
• Grinding Specific Energy Simulator
• High Pressure Processing (HPP) Food Safety Simulator
• Injection Molding Cycle Time Optimization Simulator
• Injection Molding Fill Pressure & Cooling Time Calculator
• Cement Rotary Kiln Energy Balance Simulator
• Laser Cutting Speed Estimator
• Machine Tool Spindle Thermal Growth & Precision Error Simulator
• Turning Machining Power Simulator
• Merchant Cutting Simulator — Orthogonal Cutting Force Analysis
• Metal Cutting Simulator — Merchant Circle & Cutting Force
• Milk Pasteurization HTST D-Z Value Simulator
• Milling Chatter Stability Lobe Diagram Simulator
• Plasma Etch Selectivity & Anisotropy Simulator
• Polymer Viscosity & Flow Analysis — Carreau-Yasuda, Power Law, Gate Pressure Drop
• Punching & Blanking Press Force Simulator
• Rolling Mill Force Simulator
• Rosenthal Solution Simulator — Quasi-Stationary Welding Heat Transfer
• Semiconductor Yield & Defect Density Simulator
• Sheet Metal Bending Calculator — Bend Allowance & Springback
• Spring-Back Simulator — Elastic Recovery in Sheet Metal Bending
• Turning Theoretical Surface Roughness Ra Simulator
• Surface Roughness Converter · Ra/Rz/Rq & Process Selection
• Taylor Tool Life Simulator
• Weld HAZ Cooling Rate Simulator
• Welding Heat Input & Cooling Rate Calculator (Rosenthal Solution)
• Welded Joint Strength Calculator (AWS D1.1)
• Welding Residual Stress Simulator — Heat Input, Distortion & Shrinkage
• Semiconductor Wire Bonding Pull Test Strength Simulator

Geotechnical (43)

• Aquifer Pump Test Theis Simulator
• Asphalt Pavement Rut Depth Prediction Simulator
• Atterberg Limits & Plasticity Index Simulator
• Beam On Elastic Foundation Simulator
• Bearing Capacity Calculator (Terzaghi & Meyerhof)
• Boussinesq Stress Simulator
• Braced Excavation Strut Load Simulator
• Combined Footing Pressure Simulator
• Constant-Head Permeability Test Simulator
• Rankine Earth Pressure Simulator — Active and Passive Earth Pressure on Retaining Walls
• Earthquake Magnitude & Intensity Converter
• Earthquake-Induced Liquefaction Settlement Calculator
• Falling-Head Permeability Test Simulator
• Flow Net Seepage Simulator
• Foundation Settlement Calculator — Terzaghi Bearing Capacity & Consolidation
• Geofoam EPS Lightweight Embankment Settlement Simulator
• Ground Anchor Pull-Out Capacity Simulator
• Hydraulic Fracture Design Calculator
• Landslide Slope Stability Factor (Bishop Simplified Method) Simulator
• Soil Liquefaction Assessment Tool — FL Method & SPT-N
• Permafrost Thaw & Active Layer Depth Simulator
• Darcy's Law Flow Calculator — Porous Media Permeability
• Pile Foundation Bearing Capacity Calculator (Alpha/Beta Method)
• Pile Negative Skin Friction Simulator
• Plate Load Test Simulator
• Proctor Compaction Test Simulator
• Retaining Wall Design Calculator (Rankine & Coulomb)
• Percussion Rock Drilling Energy Simulator
• Seismic Arrival Time Simulator — P-wave, S-wave & Travel Time Curves
• Seismic Wave Propagation Simulator — P-wave & S-wave Through Earth
• Cantilever Sheet Pile Embedment Simulator
• Dynamic Slope Stability Analysis
• Slope Stability Analysis
• Soil Consolidation Settlement Calculator — Terzaghi Theory
• Soil Liquefaction Potential Calculator | SPT, CSR/CRR, Factor of Safety, Seed-Idriss
• Soil Mechanics Simulator — Mohr-Coulomb, Bearing Capacity & Consolidation
• Soil Moisture Tensiometer & van Genuchten Model Simulator
• Soil Nail Wall Simulator
• Soil Permeability Calculator — Darcy Flow Coefficient
• SPT N-Value Correction Simulator
• Stone Column Ground Improvement Simulator
• NATM Tunnel Support Design Calculator — GRC/SCC Real-Time Plot
• Vertical Drain Consolidation Simulator

Environment & Water (55)

• Activated Sludge CSTR Simulator
• Gaussian Plume Air Quality Dispersion Model
• Air Quality Index (AQI) Simulator
• Air Quality Index (AQI) Calculator
• Arsenic Removal by Iron Oxide Adsorption Simulator
• Trickling Filter / Biofilter Design Simulator
• Biofilter VOC Removal & EBRT Residence Time Simulator
• Bioretention Cell Stormwater Design Simulator
• Carbon Footprint Calculator — Lifestyle CO2 Emissions
• Carbon Neutrality Calculator
• Cleanroom Air Change Recovery Simulator
• CCS Amine CO₂ Absorber Design Simulator
• CO2 Emissions & Life Cycle Assessment (LCA) Tool
• Coagulation Flocculation G Value Simulator
• Constructed Wetland Wastewater Treatment Simulator
• Desalination Energy Recovery Simulator
• Direct Air Capture (DAC) CO₂ Removal Simulator
• Fish Passage Velocity Barrier Simulator
• Fish Pond Aerator Dissolved Oxygen Simulator
• Fishery MSY Stock Assessment Simulator
• Forest Biomass Allometric Equation Simulator
• Gaussian Plume Simulator — Atmospheric Dispersion Model
• Glacier Mass Balance & ELA Simulator
• Greenhouse Effect Simulator
• Greenhouse Gas Emissions & CO₂ Equivalent Calculator
• Indoor Radon Concentration & Mitigation Simulator
• LandGEM Landfill Gas Production Simulator
• Cradle-to-Grave LCA Simulator
• Membrane Filtration (MF/UF/NF/RO) MWCO Simulator
• Nitrogen Fertilizer Leaching to Groundwater Simulator
• Ozone Depletion & ODS Simulator
• Ozone Water Treatment Simulator — AOP, Bromate & CAO Contactor Sizing
• Ozone & UV Disinfection (CT, IT) Simulator
• SCS Curve Number Rainfall-Runoff Simulator
• Rainwater Harvesting Simulator
• River Pollutant Dilution Simulator
• Saltwater Atmospheric Icing on Power Lines & Ships Simulator
• Seawater Desalination Simulator — RO Membrane Energy Calculator
• Snow Avalanche α-β Runout Distance Simulator
• Snowmelt Degree-Day Method Simulator
• Soybean Germination Rate Temperature & Moisture Model
• Stormwater Runoff (Rational Method) Simulator
• Stream Restoration & Bankfull Discharge Simulator
• Swimming Pool Chlorine Decay & CT Value Simulator
• Floating Roof Tank Rim Seal VOC Emission Simulator
• Tornado Debris Launch & EF Rating Simulator
• Tsunami Run-up Height Prediction Simulator
• Urban Heat Island (UHI) Intensity Simulator
• Membrane Bioreactor (MBR) Wastewater Design Simulator
• Wastewater UV Disinfection Fluence Simulator
• River DO/BOD Water Quality Simulator
• Water Treatment Calculator — Coagulation, Filtration & Chlorination
• Wet Venturi Scrubber Particle Removal Simulator
• Wind Chill Calculator
• Wind-Driven Rain Facade Loading Simulator

Space & Aero (49)

• Atmosphere Layers Simulator — Temperature & Pressure Profile
• Atmospheric Reentry Simulator — Sutton-Graves Stagnation Heating
• Spacecraft Attitude Quaternion Rotation Simulator
• Black Hole Event Horizon & Hawking Temperature Simulator
• CubeSat Deployment Spring Tip-Off Rate Simulator
• CubeSat Power Budget Simulator
• Escape Velocity Simulator
• Gravity Well Simulator — 2D Spacetime Curvature & Orbital Mechanics
• Hohmann Transfer Simulator — Minimum-Energy Orbital Transfer
• Hubble's Law Simulator — Recessional Velocity & Universe Expansion
• Ion Thruster (Electric Propulsion) Isp & Thrust Simulator
• Kepler Equation Simulator — Numerical Solution of Elliptic Orbits
• Kepler Laws Orbital Simulator
• Kepler's Laws Orbit Simulator — Planetary Motion & Gravity
• Lambert's Problem & Transfer Orbit Simulator
• Low-Thrust Spiral Trajectory Simulator
• Moon Phase Calendar Simulator — Lunar Cycle & Illumination
• N-Body Gravitational Simulator — Orbital Dance, Collisions & Figure-8
• Orbital Mechanics Simulator — Kepler Orbits & Hohmann Transfer
• Orbital Mechanics & Kepler Orbit Simulator
• J2 Orbital Perturbation Simulator
• Polar Orbit Ground Station Pass Time Simulator
• Projectile & Orbit Simulator — Kepler Orbits to Escape Velocity
• Clohessy-Wiltshire Rendezvous Simulator
• Rocket Equation Calculator — Tsiolkovsky Multi-Stage Delta-v
• Rocket Pintle Injector Mixing & Atomization Simulator
• Rocket Plume Launch Pad Impingement Simulator
• Rocket Propulsion Simulator — Tsiolkovsky Equation & Specific Impulse
• Rocket Specific Impulse Simulator
• Multi-Stage Rocket Design & Payload Fraction Calculator
• Rocket Thrust Simulator — Tsiolkovsky Rocket Equation & Delta-v
• Ka-Band Satellite Communication Link Budget Simulator
• Satellite Magnetic Torquer Attitude Control Simulator
• Satellite Orbit Simulator — LEO/GEO Period, Velocity & Ground Track
• Satellite Power Budget Calculator
• Satellite Thermal Control Calculator
• Gravity Slingshot (Gravity Assist) Orbital Mechanics Simulator
• Solar Radiation Pressure (SRP) Spacecraft Simulator
• Solar System Scale Simulator — Planetary Distances & Size Comparison
• Solar System Simulator — Planetary Orbits & Kepler's Laws
• International Standard Atmosphere Simulator
• Star Tracker Pointing Accuracy Simulator
• Static Margin & Longitudinal Stability Simulator
• Sun-Synchronous Orbit (SSO) Design Simulator
• Supernova Light Curve Simulator
• Three-Body Problem Simulator
• Thrust Coefficient Simulator — Rocket Nozzle C_F and Specific Impulse
• Tidal Forces Simulator — Roche Limit & Tidal Bulge Calculator
• V-n Diagram (Flight Envelope) Simulator

Math & Numerical (158)

• Adaptive Filter Lms Simulator
• AM/FM Modulation Simulator
• Autocorrelation Function Simulator — Period Detection
• Bayes' Theorem Visualizer — Conditional Probability & Posterior Update
• Bayesian Calibration via MCMC (Metropolis–Hastings) Simulator
• Bézier Curve Simulator
• Bifurcation Diagram Simulator — Logistic Map and Chaos
• Binomial Distribution Simulator
• Bisection Method Simulator — Root Finding by Interval Bracketing
• Bit Error Rate (BER) Simulator
• Bootstrap Confidence Interval Simulator
• Break-Even Analysis Simulator — Fixed Costs, Variable Costs & Profit
• Brownian Motion & Random Walk Simulator
• Buckingham Pi Theorem Simulator — Dimensional Analysis & Model Similitude
• Buffon's Needle Simulator — Estimating Pi by Probability
• Capacity Planning Little Law Simulator
• CFL Number Simulator — Stability of Explicit Time Integration
• Chi-Squared Goodness-of-Fit Test Simulator — Pearson's Test
• Chirp-Z Transform / Zoom-DFT Simulator — High-Resolution Narrow-Band Analysis
• Cholesky Decomposition Simulator
• Complex Function & Conformal Mapping Visualizer
• Complex Number Visualizer — Argand Plane, Polar Form & Operations
• Complex Number & Phasor Calculator
• Compound Interest Simulator
• Compressive Sensing & L1 Reconstruction Simulator
• Matrix Condition Number Simulator
• Conic Sections Explorer — Ellipse, Parabola & Hyperbola Visualizer
• Conjugate Gradient Method Simulator — CG vs Steepest Descent
• Control Variates Simulator
• Crank Nicolson Simulator
• Derivative & Tangent Line Visualizer
• Design of Experiments (DOE) Simulator
• DFT Leakage Window Detail Simulator
• ODE Phase Plane Analysis Tool
• 1D Diffusion Equation Solver
• Digital Filter Designer (IIR/FIR)
• Design of Experiments (DOE)
• Dynamic Time Warping (DTW) Simulator
• SIR Epidemic Model Simulator — Herd Immunity & Outbreak Dynamics
• Generalized Extreme Value (GEV) Distribution Simulator
• Eye Diagram Simulator
• FFT Spectrum Analyzer — Time-Domain Signal to Frequency Spectrum
• FFT Spectrum Analyzer Simulator
• 1D Finite Volume Method Simulator — Steady Diffusion
• FIR Filter Design Simulator — Window Method
• Fourier Epicycles Simulator — Draw Any Curve with Rotating Circles
• Fourier Series Simulator — Waveform Synthesis & Harmonic Spectrum
• Fourier Transform Visualizer — FFT Spectrum Analyzer
• Fractal Tree & Snowflake Generator — Self-Similarity & Fractal Dimension
• Conway's Game of Life — Cellular Automaton Simulator
• Game Theory Simulator — Nash Equilibrium, Prisoner's Dilemma & Evolutionary Games
• Gauss Quadrature Simulator
• Gauss Quadrature Simulator — Convergence of Gauss-Legendre Integration
• Gauss-Seidel Simulator — Iterative Solution of Linear Systems
• Gershgorin Circle Theorem Simulator
• Gibbs Sampling Simulator
• Gini Coefficient Simulator — Income Inequality & Lorenz Curve
• Goertzel Algorithm Simulator — DTMF Single Frequency Detection
• Hilbert Transform & Analytic Signal — Envelope Detection
• Huber Regression Robust Simulator
• Hypothesis Test Calculator (z-test & t-test)
• Bilinear Transform Simulator — Analog to Digital IIR
• IIR Filter Designer — Butterworth Low-Pass Magnitude Response
• Importance Sampling — Efficient Tail Probability Estimation
• Inflation & Purchasing Power Simulator — CPI, Real Value & Time Value
• Interpolation Methods Comparison
• Inventory Management EOQ & Reorder Point Calculator
• Isotonic Regression Simulator
• Jacobi Eigenvalue Method Simulator
• Jacobi Iteration Simulator — Linear Systems
• Kaplan-Meier Survival Analysis Simulator
• Lagrange Multiplier Optimization Simulator
• Lambert Conformal Conic (LCC) Projection Simulator
• Laplace Transform Calculator & Visualizer
• Latin Hypercube Sampling — LHS vs Plain Monte Carlo
• Linear Algebra Matrix Transformation Visualizer
• Linear Programming
• Linear Regression Simulator
• Loan Amortization Calculator
• Logistic Population Growth Model
• Lorenz Attractor Simulator — Butterfly Effect & Chaos
• LU Decomposition Simulator — Direct Solver for Ax=b
• Mandelbrot Set Explorer
• Markov Chain Simulator — Two-State Stationary Distribution and Mixing Time
• Matched Filter Simulator — Pulse Detection in Noise
• Matrix Operations & Eigenvalue Calculator
• Matrix Transformation Visualizer — Geometric Meaning of Linear Algebra
• MCMC Metropolis-Hastings Sampler — Acceptance & Autocorrelation
• MFCC Feature Simulator — Mel-Frequency Cepstral Coefficients
• Monte Carlo Pi Estimator
• Monte Carlo Statistics Simulator — π, Integration, CLT
• Morris Elementary Effects Method Simulator
• Multigrid Simulator — V-cycle for 1D Poisson
• Mutual Information (MI) Estimation Simulator
• Newton-Raphson Simulator — Roots of Nonlinear Equations
• Normal Distribution Calculator & Visualizer
• Numerical Integration Methods Comparator (Trapezoidal, Simpson, Gauss)
• Nyquist Sampling Theorem Simulator — Aliasing of Sampled Signals
• Numerical ODE Solver Comparison
• Option Pricing Calculator — Black-Scholes Model & Greeks
• Parseval's Theorem — Energy Conservation in Time and Frequency
• Particle Size Distribution (Rosin-Rammler Analysis)
• PERT/CPM Network Project Schedule Calculator
• Phase Space Portrait — Nonlinear Dynamics & Chaos Visualizer
• Picard Iteration (Fixed-Point) Simulator
• Polynomial Chaos Expansion (PCE) Simulator
• Predator-Prey (Lotka-Volterra) Simulator — Population Dynamics
• Population Pyramid Simulator — Age-Sex Structure & Demographic Transition
• Power Iteration Simulator — Dominant Eigenvalue by Iteration
• Predictor-Corrector Method Simulator — Heun's Method
• Birthday Paradox Probability Calculator
• Probability Distributions Calculator — Normal, Poisson, Binomial, Exponential
• QR Decomposition Simulator — Gram-Schmidt & Least Squares
• Quadratic Function Explorer
• Quantile Regression Simulator
• Quasi-Monte Carlo Simulator — Sobol Sequence
• Queuing Theory Simulator — M/M/1 & M/M/c Queue Analysis
• 2D Random Walk Simulator — MSD & Diffusion Coefficient
• Regression Analysis & Curve Fitting
• Rejection Sampling Simulator — Monte Carlo Sample Generation
• Response Surface Methodology (RSM) Simulator
• Richardson Extrapolation & Order of Accuracy Simulator
• Ridge Regression (Tikhonov) Shrinkage Simulator
• Riemann Sum Numerical Integration Visualizer
• Runge-Kutta Stability Simulator
• Runge-Kutta Simulator — RK4 vs Euler Accuracy Comparison
• Secant Method Simulator — Derivative-Free Root Finding
• Shannon Channel Capacity Simulator — Information Theory Limit
• Shooting Method Simulator
• Digital Filter Frequency Response Design Tool
• Signal Modulation Simulator
• Signal & Noise SNR Analyzer
• Sampling Theorem & Aliasing Visualizer
• Significant Figures, Rounding & Measurement Uncertainty Calculator
• Sobol Sensitivity Indices Simulator
• Successive Over-Relaxation (SOR) Simulator
• Natural Cubic Spline Interpolation Simulator
• Spread Spectrum Processing Gain Simulator
• Central Limit Theorem Simulator — Sampling Distribution Visualization
• Normal Distribution Simulator
• Stratified Sampling Simulator
• Supply & Demand Curve Simulator
• Higher-Order Taylor Error Propagation Simulator — Mean Shift, Skewness & Kurtosis to 4th Order
• Taylor Series Approximation Visualizer
• Thomas Algorithm (Tridiagonal Solver) Simulator
• Topology Optimization Map Viewer — SIMP Density Distribution
• Traffic Flow Simulator — LWR Model Speed-Density-Flow Diagram
• Unit Circle Trigonometry Animator
• Truncation Error & Order of Accuracy Visualization Tool
• Uncertainty Propagation & Monte Carlo Analysis Tool
• Engineering Unit Converter
• 2D Vector Addition Simulator
• 2D Vector Field Visualizer
• Waveform Generator & Synthesizer — RMS, FFT Spectrum, THD Calculator
• Daubechies-4 Wavelet Simulator — db4 Multiresolution Analysis
• Haar Wavelet Transform Simulator — Multiresolution Analysis and Compression
• Window Function Spectral Comparison — Mainlobe Width and Sidelobe Suppression
• Z-Transform & Digital Signal System Analyzer

AI & Computing (59)

• AdaBoost Simulator — Boosting Weak Classifiers
• Adam Optimizer Simulator
• 1D Linear Autoencoder Simulator — Compression Equivalent to PCA
• Batch Normalization Simulator
• Bias-Variance Tradeoff Simulator
• Bloom Filter False Positive Simulator
• Boids Flocking Simulator — Emergent Collective Behavior
• Cache Hit Rate Lru Simulator
• Collaborative Filtering Simulator
• Confusion Matrix Metrics Simulator
• Cross-Entropy vs MSE Loss Simulator
• k-Fold Cross-Validation Simulator
• TCP Bandwidth-Delay Product (BDP) Window Optimization Simulator
• Database Index Btree Cost Simulator
• DBSCAN Simulator — Density-Based Clustering
• Decision Analysis & Expected Value Calculator — EMV & Decision Tree
• Decision Tree Impurity — Gini, Entropy and Misclassification
• Diffie-Hellman Key Exchange Simulator — Public Key Math
• FPV Drone Video Latency & FPS Budget Simulator
• Dropout Regularization Simulator
• Elastic Net Regression Simulator
• EM Algorithm (1D GMM) Simulator
• EM Algorithm & Gaussian Mixture Model (GMM) Simulator
• Gaussian Process Regression — RBF Kernel & 95% Confidence Band
• Genetic Algorithm Optimizer
• Gradient Boosting Simulator
• Gradient Clipping Simulator
• Gradient Descent with Momentum Simulator
• Gradient Descent Optimizer Visualizer — SGD, Adam, RMSprop
• Hamming Code Simulator
• Hierarchical Clustering Simulator — Agglomerative & Dendrogram
• Image Convolution Kernel Simulator
• K-Fold Cross-Validation Simulator — Polynomial Degree Selection
• k-Means Clustering Simulator
• k-NN 2D Classifier Simulator — Decision Boundary and LOO Accuracy
• Kriging Surrogate Model (Gaussian Process Regression) Simulator
• Learning Curve Simulator — Diagnose Overfitting & Underfitting
• Learning Rate Schedule Simulator
• Linear SVM Simulator — Soft-Margin 2D Classification
• Logistic Regression (2D Binary Classifier) Simulator
• Maze Solver — Pathfinding Algorithm Visualizer (BFS/DFS/A*/Dijkstra)
• Gaussian Naive Bayes Classifier Simulator — 2D, 3 Classes
• Neural Network Visualizer — Forward & Backpropagation in Real Time
• Robot Path Planning · Potential Field Method Simulator
• Principal Component Analysis (PCA) Simulator — Eigendecomposition for 2D Data
• Perceptron Learning Simulator — Linear Classifier Convergence
• Policy Gradient Simulator
• Pooling Layer Simulator — CNN
• Q-Learning Simulator — Reinforcement Learning Gridworld
• Random Forest Majority Vote — Bagging and Variance Reduction
• L1/L2 Regularization Simulator — Lasso vs Ridge
• RSA Encryption Simulator — Key Generation, Encryption and Decryption
• Softmax and Cross-Entropy Loss — Core of Classification
• Sorting Algorithm Visualizer — Bubble, Quick, Merge Sort
• Spectral Clustering Simulator
• Stochastic Gradient Langevin Dynamics (SGLD) Simulator
• TF-IDF Vectorizer Simulator
• Transformer Attention Basics Simulator
• Weight Initialization Simulator — Xavier & He

Biomedical (47)

• Antibiotic PK/PD MIC AUC %T>MIC Simulator
• Auditory Brainstem Response (ABR) Simulator
• Joint Biomechanics Analyzer
• Biomedical Signal Analyzer
• Biomechanical Bone Stress Analysis — Fracture Risk & Fatigue Life
• Blood Flow & Vascular Mechanics Simulator (Poiseuille Flow)
• Blood Type Genetics Simulator — ABO Inheritance & Punnett Square
• BMI & Body Composition Simulator
• Bone Fracture Risk, Bone Strength & Fatigue Calculator
• Cardiac Output (Fick Principle) Simulator
• Cell Division (Mitosis) Simulator — Chromosomes, Stages & Exponential Growth
• Membrane Potential, Nernst Equation & Action Potential Simulator
• Cochlear Implant Channel & Speech Coding Simulator
• Contact Lens Oxygen Permeability (Dk/t) Simulator
• CT Scan Effective Dose Estimator
• Defibrillator Energy & Capacitor Discharge Simulator
• Diabetic Insulin Pump Basal-Bolus Simulator
• Dialysis Clearance & Kt/V Simulator
• DNA Replication Simulator
• ECG QRS Detection (Pan-Tompkins) Simulator
• ECG ST-Segment Analysis Simulator
• EMG Signal RMS & Median Frequency Simulator
• Enzyme Kinetics Simulator — Michaelis-Menten & Lineweaver-Burk Plot
• Gait Cycle Spatial-Temporal Parameters Simulator
• Hemodialyzer Clearance Simulator
• IC50/EC50 Dose-Response Hill Curve Simulator
• Artificial Pancreas PID Insulin Control Simulator
• IV Drip Rate & Drug Dilution Clinical Simulator
• Kidney eGFR & CKD Stage Simulator
• Knee ACL Ligament Strain Sports Biomechanics Simulator
• Lung Compliance & Work of Breathing Simulator
• MRI Coil SNR & Image Quality Simulator
• Neuron Action Potential Simulator
• One-Compartment Pharmacokinetics Simulator
• Ophthalmic Intraocular Lens (IOL) Power SRK Calculator
• PET Imaging Spatial Resolution & FOV Simulator
• Pharmacokinetics Simulator (1/2-Compartment Model)
• PPG Signal & SpO₂ (Pulse Oximetry) Simulator
• Prosthetic Limb Walking Energy Cost Simulator
• Pulmonary Function FEV1/FVC & COPD GOLD Simulator
• Bone Tissue Scaffold Porosity & Mechanical Design Simulator
• Lumbar L4-L5 Disc Compression Stress Simulator
• Tablet Dissolution Noyes-Whitney Simulator
• Ultrasound Doppler Blood Flow Simulator
• VO₂max Estimation Simulator
• Windkessel Model Simulator
• Womersley Number Simulator — Characteristic Number of Pulsatile Blood Flow

Energy (64)

• AGV Battery Mission Energy Simulator
• Anaerobic Digester Biogas Yield Simulator
• Anaerobic Digester Biogas Production Simulator
• Battery Calendar Aging Arrhenius Simulator
• Battery Cell Balancing (BMS) Simulator
• Battery Equivalent Circuit Model Simulator
• Battery Runtime (Peukert's Law) Simulator
• Battery Sizing Calculator — Required Ah, kWh & Cell Count Design
• Battery SOC & Charge/Discharge Simulator — Li-ion / LFP / NiMH
• Betz Limit Simulator — Theoretical Maximum Wind Turbine Efficiency
• Biomass Energy Conversion Calculator
• Compressed Air Energy Storage Simulator
• Concentrated Photovoltaic (CPV) Simulator
• Energy Storage Comparison — Ragone Plot Calculator
• EV Charging Time Simulator
• EV Driving Range & Energy Consumption Simulator
• EV Fast Charging C-Rate, Temperature & Degradation Simulator
• Flywheel Energy Storage & Coefficient of Fluctuation Calculator
• Francis Turbine Simulator
• PEMFC Water Management Simulator
• Geothermal Binary Cycle (ORC) Power Simulator
• Geothermal Heat Pump GSHP Vertical Borehole COP Simulator
• Ground-Source Heat Pump (GSHP) Borehole Design Simulator
• Hydrogen FCV Fuel Economy & Range Simulator
• Hydrogen Storage in MOF Simulator
• Kaplan Turbine Simulator
• Lithium-Air Battery Energy Density Simulator
• Lithium Plating on Anode Fast-Charge Degradation Simulator
• Lithium Plating Anode Overpotential Simulator
• Molten Salt Thermal Storage for CSP Simulator
• OTEC Ocean Thermal Energy Conversion Simulator
• Offshore Floating Wind Turbine (Spar/Semi-Sub) Stability Simulator
• Organic Rankine Cycle (ORC) Waste Heat Recovery Simulator
• Trombe Wall Passive Solar Heating Simulator
• Pelton Turbine Simulator — Power and Efficiency of an Impulse Turbine
• PEM Electrolyzer Hydrogen Production Simulator
• PEMFC Polarization Curve Simulator
• Perovskite Solar Cell J-V Curve Simulator
• Perovskite Solar Cell Efficiency Simulator
• Photovoltaic Cell I-V Characteristics Simulator
• Zinc-Bromine (Zn-Br) Flow Battery Simulator
• Regenerative Braking Energy Simulator
• Sodium-Ion Battery (NIB) Performance Simulator
• SOFC Cell Voltage (V-I Curve) Simulator
• Solar Panel I-V Curve & Energy Yield Simulator
• Solar Radiation Calculator — Tilted Surface Irradiance & Solar Altitude
• Solar Radiation & Optimal Tilt Angle Calculator
• Solar Thermal Collector Simulator — Hottel-Whillier-Bliss Efficiency
• Solid-State Battery Energy Density Simulator
• Supercapacitor EDLC Ragone Plot Simulator
• PCM Thermal Energy Storage Simulator
• Peltier Element & Thermoelectric Converter Calculator
• Thermoelectric ZT Figure of Merit Simulator
• Tidal Power & Ocean Current Energy Calculator
• Tidal Stream Turbine Cp & TSR Simulator
• Vanadium Redox Flow Battery (VRFB) Sizing Simulator
• Vertical Axis Wind Turbine (VAWT) Cp Design Simulator
• Wave Energy Converter (WEC) Power Simulator
• Wave Energy Converter (WEC) Power Estimation Simulator
• Wind Farm Wake Loss Simulator
• Wind Turbine Blade Design (BEM Theory) — Chord & Power Coefficient Calculator
• Wind Turbine Blade Icing Energy Loss Simulator
• Wind Turbine Power Simulator — Betz Limit, Weibull Distribution & Annual Energy
• Wind Turbine Power & Energy Calculator

V&V / Quality (17)

• Acceptance Sampling Plan Simulator
• Bathtub Curve Simulator
• Control Chart (X-bar·R·p·c) SPC Calculator
• Fault Tree Analysis & Cut Set Calculator
• FMEA Risk Priority Number (RPN) Calculator
• Grid Convergence Index (GCI) Simulator
• ISO Fit Tolerance Selector
• Mesh Convergence / Richardson Extrapolation / GCI Calculator
• Mesh Independence Study Simulator
• Method of Manufactured Solutions (MMS) Simulator
• MTBF & Availability Simulator
• Process Capability Indices Cp/Cpk · Histogram Visualization
• Reliability Block Diagram · System Reliability Calculator
• Six Sigma DMAIC Toolkit
• Statistical Process Control Simulator — Control Charts & Cp/Cpk
• Tolerance Stackup Analysis (RSS, Worst-Case, Monte Carlo)
• Weibull Analysis & Reliability Life Estimation

Physics Basics (44)

• Ball Physics Simulator
• Ballistic Pendulum Simulator
• Brachistochrone Curve Simulator
• Bungee Jump Physics Simulator — Elastic Cord Dynamics & Peak Force
• Centrifugal Force Simulator — Rotating Reference Frame
• Centripetal Force Simulator — Uniform Circular Motion
• Uniform Circular Motion Simulator — Centripetal Force & Velocity
• Coefficient of Restitution Simulator — Decay of a Bouncing Ball
• 1D Collision Simulator
• Coriolis Effect Simulator — Rotating Reference Frame & Typhoons
• Domino Chain Simulator — 2D Rigid Body Collision Physics
• Elastic Billiard Ball Collision Simulator — Restitution & Momentum
• Elevator Acceleration Simulator — Apparent Weight & Motion Phases
• Mechanical Energy Conservation Simulator
• Friction Coefficient Simulator — Static & Kinetic Friction on Inclined Planes
• Friction on an Inclined Plane Simulator
• Impulse-Momentum & Collision Simulator (1D/2D)
• Inclined Plane Motion Simulator
• Perfectly Inelastic Collision Simulator — Momentum Conservation and Energy Loss
• Uniform Acceleration Simulator
• Lorentz Transformation Simulator — Time Dilation and Length Contraction
• 2D Momentum & Collision Simulator
• Momentum Conservation & Collision Simulator
• Newton's Cradle Simulator — Elastic Collision & Momentum Conservation
• Plasma Simulator — Lorentz Force, Cyclotron Motion & ExB Drift
• 3D Projectile Motion Simulator (Air Drag, Magnus Effect, Wind)
• Projectile Motion Simulator (with Air Drag)
• Projectile Motion Simulator Tool
• Projectile Motion with Air Drag Simulator — RK4 Numerical Integration
• Relativistic Time Dilation Simulator
• Rigid Body Rotation & Moment of Inertia Simulator — Disk, Ring, Sphere, Rod
• Ripple Pool Simulator — Interactive 2D Wave Equation Visualization
• Roller Coaster Energy Conservation Simulator
• Simple Pendulum Simulator — Period, Phase & Amplitude Visualization
• Soccer Free Kick Simulator — Magnus Effect & Trajectory Optimization
• Special Relativity Simulator
• 2D Statics Solver
• Trebuchet Physics Simulator — Ballistics & Classical Mechanics
• 2D Wave Interference Simulator — Wave Superposition
• Wave Properties Visualizer
• Wave Interference & Superposition Simulator
• Wave Reflection & Transmission Simulator — Acoustic & Elastic Waves
• Wave Superposition Simulator — Interference, Beats & Standing Waves
• Work-Energy Theorem & Power Calculator