High-precision acoustic modeling with second-order staggered difference

This program realizes second-order interleaved differential acoustic wave simulation, using PML boundary conditions, comparing the role of regular mesh and interleaved mesh.

References

• Du Z, Liu J, Liu J, Xu F, Li Y. High-precision acoustic modeling with second-order staggered difference[J]. Arabian Journal of Geosciences, 2017, 10(21): 473.

Code structure

• cstd.c: common function library

• ricker.c: ricker wavelet

• coeff.c: calculated difference coefficient

• regular.c: regular grid simulation

• sg.c: staggered grid simulation

Instructions to run

1. run scons: compile
2. run regmodeling: regular grid simulation
3. run sgmodeling: staggered grid simulation