论文详情
三维弹性波有限元模拟的吸收边界
石油物探
1997年 36卷 第No. 2期
阅读：54
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Title
Absorption boundary for the finite-element modeling of the 3-D elastic wave
单位
1. 中国地质科学院岩石圈研究中心,北京 100037;2. 长春地质学院地球物理系,长春 130026
Organization
Research Center of Lithosphere, Chinese Academy of Geology, Beijing 100037
摘要
本文首次将粘滞性吸收边界条件推广到三维问题,并推导了适合有限元法的计算公式。计算实例说明了它的有效性。
Abstract
In the paper-the viscous absorption boundary condition is spread for the first time to 3-Dproblems. The calculation formula adapting to the finite-element scheme has been derived. A realcomputational example shows its effectiveness.
关键词：
三维;
弹性波;
有限元模拟;
粘滞性;
吸收边界条件;
Keywords:
3-D;
Elastic Wave;
Finite-Element Modeling;
Viscosity;
Absorption Boundary Condition;
论文详情