ELASTIC WAVEFIELD CALCULATION FOR HETEROGENEOUS ANISOTROPIC POROUS MEDIA USING THE 3-D IRREGULAR-GRI

• 作 者: SunWeitao YangHuizhu
• 机 构: DepartmentofEngineeringMechanics,DepartmentofComputerScienceandTechnology
• 出 处: 固体力学学报：英文版
• 发表日期: 2003年4期
• 关键词: 弹性波 有限差分 多孔各向异性介质 不规则格子 流体力学 波场计算 elastic waveanisotropic porous mediafinite dif

Based on the first-order Biot-equation with simplified coefficients, a staggered irregular-grid finite difference method (FDM) is developed to simulate elastic wave propagation in 3-D heterogeneous anisotropic porous media. The ‘slow' P wave in porous