Full-waveform inversion (FWI) is a challenging data-fitting procedure based on full-wavefield
modeling to extract quantitative information from seismograms. High-resolution imaging at …

Seismic full-waveform inversion (FWI) for imaging Earth's interior was introduced in the late
1970s. Its ultimate goal is to use all of the information in a seismogram to understand the …

稳定性问题是数值求解波动方程的基本问题. 文中对三维横向各向同性介质中一阶弹性波方程
交错网格高阶差分解法的稳定性进行了分析, 给出了不同精度差分方程统一的稳定性条件 …

Recent progress in numerical methods and computer science allows us today to simulate
the propagation of seismic waves through realistically heterogeneous Earth models with …

We present the spectral element method to simulate elastic-wave propagation in realistic
geological structures involving complieated free-surface topography and material interfaces …

This article provides an overview of the application of the staggered-grid finite-difference
technique to model wave propagation problems in 3D elastic media. In addition to …

Real earth media disperse and attenuate propagating mechanical waves. This anelastic
behavior can be described well by a viscoelastic model. We have developed a finite …

The modeling of elastic waves with an explicit finite difference (FD) scheme on a staggered
grid causes instability problems when the medium possesses high contrast discontinuities …

Computational power has advanced to a state where we can begin to perform wavefield
simulations for realistic (complex) 3-D earth models at frequencies of interest to both …

The mode summation method and a finite difference technique are applied to investigate the
spectral ratio between the horizontal and vertical components (H/V ratio) of ambient …