摘要应用高阶旋转交错网格的有限差分法, 求解了基于一阶的速度 应力弹性波方程,
推导了时间二阶精度空间2m 阶精度的高阶有限差分离散格式. 为了提高弹性波正演模拟效率 …

In this work, we present the numerical dispersion and dissipation analyses of the triangle-
based discontinuous Galerkin method (DGM) for acoustic and elastic velocity-stress …

To improve the accuracy of microseismic inversion, seismic anisotropy and moment tensor
source should be carefully considered in the forward modelling stage. In this study, 3D …

Abstract Full Waveform Inversion (FWI) aims at recovering the elastic parameters of the
Earth by matching recordings of the ground motion with the direct solution of the wave …

Biot's equations describe the physics of hydromechanically coupled systems establishing
the widely recognized theory of poroelasticity. This theory has a broad range of applications …

Seismic modeling plays an important role in geophysics and seismology for estimating the
response of seismic sources in a given medium. In this work, we present a MATLAB-based …

Finite element schemes based on discontinuous Galerkin methods possess features
amenable to massively parallel computing accelerated with general purpose graphics …

By using the finite difference method of high order rotating staggered grid, the high order
finite difference discretization scheme based on the first-order velocity-stress elastic wave …

In this paper we propose a new high order accurate space–time discontinuous Galerkin
(DG) finite element scheme for the solution of the linear elastic wave equations in first order …

Abstract 3D finite-difference time-domain numerical simulation and reconstruction based on
the domain decomposition technique are essential parts of high-performance computation …