Forward modeling of seismic wave fields in complex anisotropic media using finite difference method

From the elastic wave equations in transversely isotropic medium with a tilted symmetry, a high-order finite difference scheme was established using a high precision operator in staggered-grid. Proposed an perfectly matched absorbing layer (PML) boundary conditions and studied its computing methods. Based on above two techniques, the forward modeling of seismic wave fields in complex anisotropic media was implemented. The numerical tests show that the method can simulate the seismic propagation accurately and can obtain high precision multi-component seismograms.