二维声波高阶有限差分地震波场模拟

Seismic Wave Field Simulation of High-Order Finite Difference in 2-D Acoustic Wave

地震波场模拟在难度不断增大的地震勘探研究中扮演着重要的作用,而有限差分方法因其计算速度快,占用的内存小等优点从中得到广泛的应用。本文重点讲述了二维高阶有限差分方法的基本原理,建立了空间模型加以分析,并通过建立二维地质模型,模拟地震波场的传播过程,最终得到震源点处的地震记录。

The seismic wave field simulation plays an important role in the seismic exploration which is more and more difficult,and finite difference method has been widely used in the advantages of quickly calculation and low memory,and so on.This paper focuses on the basic principle of two-dimensional high order finite difference method,establishes and analyses a space model,and finally gets the seismic record of the seismic source by establishing a 2-D geological model and simulating the propagation of the seismic wave field.