基于卷积完全匹配层的旋转交错网格高阶差分法模拟弹性波传播

冯德山, 王向宇

Elastic wave propagation simulation in anisotropic media and random media using high-order difference method of rotation staggered grids based on convolutional perfectly matched layer

De-Shan FENG, Xiang-Yu WANG

图17 随机介质模型正演波场快照(20 Hz) a—均匀层状介质500 ms波场快照;b—随机层状介质(a=b=1)500 ms波场快照;c—随机层状介质(a=b=10)500 ms波场快照;1—投射转换P波;2—透射SV波;3—反射SV波;4—反射转换P波;5—反射转换SV波;6—直达SV波