Modal Analysis Simulators

Accelerometer Frequency Response Simulator: An accelerometer is itself a tiny spring-mass-damper system. Adjust the natural frequency, damping ratio and the …

Visualize and animate natural vibration modes for beams. Superimpose modes to see combined effects and explore natural frequencies.

Cepstrum Analysis Simulator — Speech & Vibration Analysis compares how vibration or acoustic response and frequency behavior shifts as the main assumptions change.

Chladni Figures Simulator visualizes vibration modes and nodal lines on square plates using Ritz method. Explore eigenfrequencies and modal analysis for acoustic engineering and vibration research.

Damped Natural Frequency Simulator: Explore the damped free vibration of a single-degree-of-freedom mass-spring-damper system when it is displaced and releas…

Drumhead vibration simulator. Vary radius R, tension T, surface density ρ_s, and mode index to compute eigenfrequencies f_mn from the Bessel-zero α_mn in real time.

Interactive simulator for multi-DOF spring-mass systems. Calculate natural frequencies, visualize mode shapes with animation, and explore real-time frequency response.

Calculate beam or string natural frequencies and vibration modes. Select boundary conditions, enter properties, and view animated results instantly.

Calculate Frequency Response Function (FRF) Bode plots in real-time. Input natural frequency & damping ratio to get resonance, Q factor, and half-power bandwidth.

Lamb wave dispersion simulator: real-time S_0 and A_0 phase velocity and wavelength for thin plates, with adjustable Young's modulus, density, frequency and thickness.

Strike an object once, let it ring freely, and measure how its motion dies away.

Explore a 3-DOF mass-spring system. Adjust parameters, analyze vibrations, and add a Dynamic Vibration Absorber (DVA) to see its effect.

Simulate 1D rod vibration modes. Assemble stiffness & mass matrices, solve eigenvalue problems, and animate mode shapes with this FEM modal analysis tool.

Explore natural frequencies, mode shapes, and FRF in real time. Adjust mass and stiffness in a 2-DOF spring-mass simulator with live animations.

Simulate parametric resonance with the Mathieu equation. Adjust modulation to explore stability diagrams, time-domain responses, and phase portraits.

Visualize the Rayleigh-Ritz method: adjust an assumed mode shape and see the frequency converge. Understand the upper-bound theorem for natural vibration analysis.

Calculate spring constant, solid length, index, and frequency for helical and leaf springs with our free real-time calculator.

Visualize standing waves (fundamental and harmonics) on a string in real-time animation. Adjust tension, length, and linear density to experience changes in natural freq…

Free string vibration calculator: compute the fundamental and mode frequencies of a stretched string from length, tension and linear density using Mersenne's law. Wave speed, wavelength, period and nearest musical note are shown in real time.

Simulate structural dynamics with an SDOF system. Apply harmonic, impulse, random, or El Centro ground motion and compute response via RK4. View real-time plots.

Simulate torsional pendulums. Adjust shaft & disk parameters to instantly compute natural frequency, stiffness, and period. Visualize oscillations.

Design the tuned mass damper (TMD) that tames the sway of a tall building or a long-span bridge using Den Hartog optimal-TMD theory.

Simulate Tuned Mass Dampers (TMD) in real-time. Compare frequency response curves, observe anti-resonance, and apply Den Hartog's optimal tuning rules. .

Optimize TMD design with Den Hartog's method. Adjust mass ratio and damping to suppress vibration peaks in this interactive simulator.

Convert vibration data between acceleration, velocity & displacement. Get ISO 10816 health ratings and visualize A-weighted spectra instantly.