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Comparison of Numerical Approaches of Simulating Seepage Flow with Free Surface
Author(s): 
Pages: 37-42
Year: Issue:  7
Journal: Journal of Yangtze River Scientific Research Institute

Keyword:  渗流自由面数值模拟固定网格方法自由面适应网格方法;
Abstract: 结合最新提出的自由面适应网格法,与现行的2种固定网格法即变单元渗透系数法和初流量法进行数值模拟比较,以探讨各种方法在自由面渗流计算中的优缺点及其应用情况。试探性地选取3种固定网格方法进行系统的比较,即在精度、迭代步数、网格敏感度、初设自由面敏感性上进行多方位比较,分析各方法的灵活性、鲁棒性、数值稳定性、计算效率和可靠性。结果表明,在同一网格系统下,自由面适应网格法较其它2种方法具有计算速度快、精度...
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