Seismic Dynamics Simulators

Estimate acceleration reduction, isolation displacement, and base shear from fixed-base period, isolated period, damping, building mass, and input PGA.

Visualize P-wave and S-wave propagation in solids with our . Calculate velocities, see waveforms, and explore elastic wave fundamentals.

Calculate sloshing natural frequencies in rectangular tanks. Adjust dimensions, fluid depth & density to analyze 5 modes with key formulas.

Response Spectrum Simulator for SDOF seismic design—adjust period, damping, PGA to compute design response, spectral acceleration, and site factors per IBC code.

Analyze SDOF random vibration response in real time. Compute response spectrum, RMS, and 3-sigma values from your input PSD with adjustable 3-segment profiles.

Real-time seismic design simulator: compute base shear, period, and story drift. Adjust building stories and site class for instant analysis.

Seismic design spectrum calculator for building natural period and soil type. Compute Sa(T), base shear force, and ground amplification effects.

Analyze seismic isolation performance by adjusting building mass, stiffness, damping, and soil type. Instantly compute natural period, spectral acceleration, and displacements.

The response spectrum is the core tool of earthquake-resistant design: for a structure with period T and damping zeta, it gives the maximum acceleration Sa(T), pseudo-ve…

Interactively compute design response spectra (Japan Building Code / ASCE/SEI 7 simplified model) and SDOF seismic response. Visualize Sa, Sv, Sd spectra in real time.

Shock Response Spectrum Simulator: Numerically integrate the response of a single-degree-of-freedom (SDOF) system to a half-sine shock pulse. Adjust pulse am…

Simulate stress wave propagation across material interfaces. Visualize reflection and transmission on a live Lagrange diagram. Compute wave speeds and acoustic impedance.