SPECFEM3D_Cartesian simulates acoustic (fluid), elastic (solid), coupled acoustic/elastic, poroelastic or seismic wave propagation in any type of conforming mesh of hexahedra (structured or not.)
It can, for instance, model seismic waves propagating in sedimentary basins or any other regional geological model following earthquakes. It can also be used for non-destructive testing or for ocean acoustics
Main "historical" authors: Dimitri Komatitsch and Jeroen Tromp (there are currently many more!)
Instructions on how to install and use SPECFEM3D are available in the
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PDF manual located in directory: doc/USER_MANUAL
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HTML manual (latest version): specfem3d.readthedocs.io
Development is hosted on GitHub in the geodynamics/specfem3d repository.
To contribute, please follow the guidelines located on specfem3d github wiki: specfem3d wiki
Seismology software repository: SPECFEM3D