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引入应力、应变和位移等矢量概念，将元胞自动机模型与有限元方法结合起来，建立了差分形式的PCA有限元算法，尝试从矢量的角度模拟岩石的变形及破坏问题。
The CA model and FEM are combined, then the differential PCA-FEM algorithm is set up, which attempts to simulate the deformation and failure of rock in the sense of vector.
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