| 王燕昌,郑静,高效伟.径向积分边界元法确定非均质土石坝渗流自由面[J].计算力学学报,2010,27(6):1011~1015 |
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| 径向积分边界元法确定非均质土石坝渗流自由面 |
| Radial integration boundary element method determining seepage free surface of non-homogeneous soil-stone dams |
| 投稿时间：2008-10-18 修订日期：2009-12-16 |
| DOI：10.7511/jslx20106010 |
| 中文关键词: 径向积分法 边界单元法 浸润线 |
| 英文关键词:radial integration method boundary element method seepage line |
| 基金项目:国家自然科学基金(10872050)资助项目. |
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| 中文摘要: |
| 浸润面位置的确定是无压渗流分析中非常重要的问题,本文将径向积分边界单元法应用到渗流问题中,通过直接将区域积分转化为边界积分的技术,克服了传统边界元解决该类问题的缺陷,编写了迭代计算程序,并用二、三维算例证明了算法的有效性。 |
| 英文摘要: |
| It is very important to determine the location of the free surface in non-pressure seepage analysis. By applying radial integration method (RIM) to seepage problems, domain integrals are directly transformed into boundary integrals and, therefore, the drawback of traditional boundary element method in solving non-homogeneous problems can be overcome. An iterative computer program has been developed, using which the process of handwork iteration is avoided. 2D and 3D numerical examples are given to demonstrate the reliability of the proposed algorithm. |
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