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yi wei you hua sou suo lian he you xian yuan fang fa ji suan shen liu er lei bian jie
Author(s): 
Pages: 55-45
Year: Issue:  1
Journal: Hydrogeology and Engineering Geology

Keyword:  有限元方法优化搜索边界条件地下水开采有限元计算水文年水源地湖水位函数关系渗流量;
Abstract: <正> 我们知道,在进行有限元计算中,边界条件必须是已知的,对于第二类边界,亦必须已知它的渗流量方能进行地下水有限元计算。但是笔者在进行某水源地的设计开釆井开采预报时,却遇到了这样的问题:计算区边界是一个受地下水补给的湖泊,在水源地开釆前,湖水与地下水处在均衡状态。也就是说,可假设在一个水文年内,地下水对湖的补给与湖水向外排泄是平衡的。湖水位在一个水文年后基本上总能恢复
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