|
|||||
|
|
| 高阶交错网格有限差分波场模拟理论研究简析 | |
| 引用本文： | 史燕红,马新欣,李魏志,钟邱平,石永安.高阶交错网格有限差分波场模拟理论研究简析[J].内蒙古石油化工,2008,34(1):19-22. |
| 作者姓名： | 史燕红 马新欣 李魏志 钟邱平 石永安 |
| 作者单位： | 1. 成都理工大学 2. 四川省交通厅公路设计院通川岩土公司 3. 平顶山煤业集团四矿 |
| 摘 要： | 二维数值模拟是研究各向异性介质中复杂弹性波波场特征和传播规律的常用方法，本文应用高阶交错网格差分算法，对一阶速度-应力弹性波方程进行模拟，分析了其稳定性和收敛性，并加入吸收边界条件和衰减带。通过对几种典型TI介质模型的模拟表明，这种高阶差分弹性波波场模拟，网格频散较小，精度较高，效果较好。 |
| 关 键 词： | TI介质 弹性波方程 高阶差分 交错网格 吸收边界条件 |
| 收稿时间： | 2007-09-15 |
STUDY ON TWO-DIMENSIONAL NUMERICAL SIMULATION WITH STAGGERED-GRID HIGH-ORDER DIFFERENCE METHOD |
|
| SHI Yan-hong,HE Yong-bo,LI Wei-zhi,ZHONG Qiu-ping,SHI Yong-an.STUDY ON TWO-DIMENSIONAL NUMERICAL SIMULATION WITH STAGGERED-GRID HIGH-ORDER DIFFERENCE METHOD[J].Inner Mongulia Petrochemical Industry,2008,34(1):19-22. | |
| Authors: | SHI Yan-hong HE Yong-bo LI Wei-zhi ZHONG Qiu-ping SHI Yong-an |
| Abstract: | The two dimensional numerical is a routine method in the research of the characteristics of wave fields and propagation of complex elastic wave in TI media. This paper simulates the one-order stress-velocity equation with staggered grid high-order difference method, analyses the stability and astringency, and adds the absorbing boundary conditions and attenuation layer. The result of the simulations of several kinds of classical TI media models showed in the wave simulation with this staggered -grid high-order difference method, the dispersion of the grid is low and the precision is high, it is a feasible method. |
| Keywords: | TI media elastic wave equation High - order difference Staggered - grid Absorbing boundary condition |
| 本文献已被 维普 万方数据 等数据库收录！ | |
