离散单元法一般认为是Cundall于1979年提出来的,它是一种显示求解的数值方法。该方法与在时域中进行的其他显示计算相似,例如与解抛物线型偏微分方程的显示差分格式相似。离散单元法也像有限单元法那样,将区域划分成单元。但是单元因受节理等不连续面控制,在以后的运动过程中,单元节点可以分离,即一个单元与其邻近单元可以接触,也可以分开。
将基于静态松弛解法的离散单元法推广至三维。
The discrete element method based on static relaxation is extended to three dimensional case.
将静态同步松弛离散单元法(SSRDEM)推广至三维。
The static synchronous relaxation discrete element method (SSRDEM) was extended to three dimensional case.
采用离散单元法模拟了预应力钢筋混凝土梁在冲击荷载下的破坏过程。
An approach for simulating damage process of prestressed reinforced concrete structures under impact load by applying the discrete element method is presented.
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