Materials & Fracture Mechanics Simulators

Calculate crack growth curve a(N) and remaining life Nf from C and m parameters. Display K_IC limit line.

Draw corrected S-N curve using the Basquin equation. Overlay the effects of modification factors (ka, kb, kc).

Calculate stress intensity factor K_I for 4 crack geometries. Draw crack geometry on canvas.

Generate elastic-plastic curve using the Ramberg-Osgood equation. Switch between engineering and true stress, auto-calculate toughness and UTS.

Apply Miner's linear cumulative damage rule to block load spectra. Visualize operating points and damage ratios on the S-N curve.

Calculate solid and liquid phase mass fractions in the two-phase region of a binary alloy using the lever rule. Interactively display eutectic and peritectic phase diagrams.

Calculate the effect of temperature, pressure, and concentration changes on chemical equilibrium based on Le Chatelier's principle. Visualize equilibrium constant Kp and composition changes.

Calculate the temperature dependence of reaction rate constant k using the Arrhenius equation. Simulate reaction rates by varying activation energy and frequency factor.

Calculate 1D mass diffusion based on Fick's first and second laws. Animate the time evolution of concentration distribution by varying diffusivity and boundary conditions.

Calculate high-temperature creep strain and stress relaxation curves using the Norton power law and Maxwell viscoelastic model. Visualize effects of material constants and temperature.

Calculate boundary, mixed, and hydrodynamic lubrication regimes using the Stribeck curve. Evaluate oil film thickness and friction coefficient via the Lambda parameter.

Calculate L10 basic rating life per ISO 281. Compute L10 service life in hours from load, speed, and basic dynamic load rating.

Convert between surface roughness parameters Ra, Rz, Rq, and display machining process selection criteria (turning, grinding, lapping, etc.).

Calculate protection current, anode consumption, and protection life for sacrificial anode and impressed current methods. For offshore structures and buried pipelines.

Estimate plane-strain fracture toughness K_IC from Charpy impact value (CVN) using the Roberts-Newton correlation. Ductile-brittle transition temperature evaluation included.

Calculate Evans diagram and corrosion rate from Tafel slopes and exchange current density using Butler-Volmer equation. Visualize electrochemical corrosion mechanism.

Calculate crack growth rate, inspection interval, and residual strength for damage tolerance design using Paris's law. Supports FAA- and JSSG-compliant aerospace structural design.

Calculate mode II (in-plane shear) crack stress intensity factor KII, crack opening displacement, and energy release rate. Mixed-mode fracture support included.

Evaluate galvanic potential difference and corrosion risk between dissimilar metals from the galvanic series. Provides corrosion protection recommendations in seawater, freshwater, and atmosphere.

Calculate hysteresis loop area, iron loss, coercivity, and residual flux density of magnetic materials. Useful for evaluating iron losses in transformer and motor cores.

Calculate SCC initiation conditions, threshold stress intensity K_ISCC, and residual life. Includes evaluation of environmentally assisted crack growth rate (da/dt).

Calculate wear life and corrosion protection period of plating, anodizing, CVD, and PVD coatings using Archard's law and Pilling-Bedworth ratio.

Estimate Weibull shape parameter β and scale parameter η using MLE and linearization methods. Visualize B10 life and reliability function with Weibull plot.

Calculate Ms/Mf/As/Af transformation temperatures, Clausius-Clapeyron slope, maximum recovery strain, and hysteresis width for SMAs. NiTi supported.