Elastic Wavefield Simulation MATLAB Program

The Elastic Wavefield Simulation MATLAB Program enables computer-based modeling of elastic wave propagation through different media, facilitating deeper understanding of wave physics and media interactions. The program generates animated wavefield slices using finite-difference time-domain (FDTD) methods, implementing key algorithms for solving elastic wave equations with staggered-grid spatial discretization. Through parameter adjustments in the code interface, users can simulate wave propagation across diverse media conditions, observing phenomena like reflection, refraction, and dispersion. The implementation includes core functions for velocity-stress formulation and perfectly matched layer (PML) boundary conditions to minimize numerical artifacts. This tool serves as essential educational software for elasticity wave beginners, with applications extending to seismic exploration, medical imaging, and material testing fields. The code structure allows modular customization of source waveforms, material properties, and visualization parameters, making it valuable for both academic research and industrial applications.