This workshop gives a hands-on introduction to the parallel seismic wave propagation code SW4 (Seismic Waves, 4th order). This code solves the seismic wave equations in displacement formulation using a node-based finite difference approach that satisfies the principle of summation by parts. SW4 implements substantial capabilities for regional 3-D seismic modeling, including Cartesian local mesh refinement for making the computational mesh finer near the free surface, and uses a curvilinear mesh for capturing realistic topography. SW4 fully supports heterogeneous isotropic elastic and viscoelastic material models, with limited support for heterogeneous 21-parameter anisotropic elastic material models.

1. seismology
2. SW4