Rayleigh wave propagation and dispersive curve in single layers semi-infinite space model and three dimensional road embankment are studied comprehensively by using finite difference software FLAC3D.
笔者利用有限差分软件FLAC3D，对单层介质半无限大体和三维路基体的瑞利波传播特性以及频散曲线进行了数值模拟分析；
A three dimensional finite difference electric thermos model for resistance spot welding nugget process of dissimilar materials is introduced.
以异质材料低碳钢与纯镍电阻点焊为例建立了电阻点焊熔核形成过程的电热耦合有限差分模型。
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