本文用三维边界单元法对非完全隔水基坑的地下水的渗流域进行求解，运用内边界技术使计算简化并降低计算工作量。
Three dimensional boundary element method is applied to the solution of seepage area of groundwater in foundation pit which is not completely watertight.
在三维弹性力学边界元法的基础上，推导出二阶单元的基本解快速多极展开格式。
The three-dimensional boundary element method for elastic materials was extended to develop a fast multipole expansion formulation of the fundamental solutions for quadratic elements.
应用有限棱柱单元法对群桩与土相互作用系统进行了三维弹塑性分析，并以无限棱柱元模拟半无限空间地基土的边界条件。
In this paper, the three dimensional elastoplastic analysis of a group pile soil interaction system is made by using the finite prism element method.
本文深入研究三维静电场边界元法二阶单元的积分精度问题。
This paper goes deeply into studying the problem of second-order element's integral precision in BEM in three-dimensional electrostatic field.
本文提出用边界单元法计算重力异常，二维形体用线积分，三维形体用表面积分。
Tt is suggested in this paper that the calculation of the gravitational anomaly is performed by boundary elements method, curvilinear integral is for 2-D object and surface integral for 3-D object.
本文提出用边界单元法计算重力异常，二维形体用线积分，三维形体用表面积分。
Tt is suggested in this paper that the calculation of the gravitational anomaly is performed by boundary elements method, curvilinear integral is for 2-D object and surface integral for 3-D object.
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