seismod

C codes for seismic modeling

Warning These codes are in alpha form and have not been thoroughly tested

2D codes

1. e_iso

   • Elastic wave propagation in 2D isotropic media, on a cartesian staggered grid
   • FDTD scheme
   • split pml
   • OpenMP

2. e_cyl_iso

   • Elastic wave propagation in 2.5D isotropic media, on a staggered grid in cylindrical coordinates with vertical symmetry axis
   • FDTD scheme
   • CPML
   • OpenMP

3. ve_vti_pml

   • ViscoElastic wave propagation in 2D VTI anisotropic media, for L attenuation quasi-dilatational mechanism and 1 shear relaxation mechanism, on a cartesian staggered grid
   • PSTD scheme, 4th order Runge-Kutta time stepping
   • CPML
   • OpenMP enabled fftw

4. ve_vti_sh_pml

   • ViscoElastic SH-wave propagation in 2D VTI anisotropic media, with 1 shear relaxation mechanism, on a cartesian staggered grid
   • PSTD scheme, 4th order Runge-Kutta time stepping
   • CPML
   • OpenMP enabled fftw

5. pve_iso_pml

   • PoroViscoElastic wave propagation in 2D isotropic media, for one attenuation mechanism, on a cartesian staggered grid
   • PSTD scheme, 4th order Runge-Kutta time stepping
   • CPML
   • OpenMP enabled fftw

6. pve_vti_pml

   • PoroViscoElastic wave propagation in 2D VTI anisotropic media, for one attenuation mechanism, on a cartesian staggered grid
   • PSTD scheme, 4th order Runge-Kutta time stepping
   • CPML
   • OpenMP enabled fftw

3D code

1. a_iso_3d
   • Acoustic wave propagation in 3D isotropic media, on a cartesian staggered grid
   • FDTD scheme
   • CPML
   • OpenMP