离散元法及其在矿山压力研究中的应用DISCRETE ELEMENT METHOD AND ITS APPLICATIONS IN MINE PRESSURE RESEARCH
王泳嘉,邢纪波
摘要(Abstract):
离散元法是70年代初发展起来的一种分析节理岩石的数值方法.这种方法充分地考虑到节理岩石的不连续性,以裂隙切割成的块体为出发点,各个块体可以有较大的位移,在特殊情况下,例如顶板冒落,岩块还可以脱离母体而自由下落.离散元法的基本原理是牛顿第二运动定律结合不同的本构关系,以动力松弛法按时步进行迭代求解.本文用离散元法对矿山压力进行了初步研究,结果表明离散元法在研究矿山压力和顶板管理时较有限元法和边界元法有许多可比拟的优点,所得结果并可与相似材料模型试验进行 对比.
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作者(Author): 王泳嘉,邢纪波
参考文献(References):
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