Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates
Main positions: President of international exchange committee of the Chinese Society of Rock Mechanics and Engineering CSRME
Other Post: Vice President of the Chinese Society of Rock Mechanics and Engineering CSRME
Title of Paper:有自由面渗流的流量控制全域迭代法
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Date of Publication:2010-08-28
Page Number:21-25
Key Words:水工建筑物;渗流现象;自由面;流量控制;全域迭代法
Abstract:有自由面的渗流问题属于边界非线性问题,求解复杂,一直是岩体水力学研究的重点和难点之一,固定网格法由其诸多优点被广泛采用.在对多种固定网格算法总结基础上提出了基于流量控制的全域迭代有限元方法,该方法具有一次形成总体传导矩阵、不改变求解问题规模、不对节点及单元重新编号、不修改总刚元素防止病态等优点.通过算例表明:该方法计算效率较高,求解稳定,计算结果与理论解吻合较好,规律正确,适合处理复杂问题.
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