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The boundary integral method is applied to the analysis of opening displacement and stress intensity factor of surface crack.

用边界积分方法，分析表面裂纹的张开位移和应力强度因子。

Basic solving method for boundary elements is given and corresponding computer program was written.

给出了边界元的基本求解方法，并编制了相应的计算程序。

This paper presents a method for boundary extraction of building roof from LiDAR point cloud.

提出了一种建筑物LiDAR点云的屋顶边界提取方法。

These are the potential energy boundary surface method and the controlling unstable equilibrium point method, respectively.

这些都是潜在的能源界面和控制不稳定平衡点法。

The determination of goal function,and boundary condition,optimization method and simulation accuracy are also discuased.

讨论了目标函数和约束条件的确定、优化方法的选择及提高模拟精度的措施。

On the basis of this mathematical tools, the differential invariants of Laplace boundary operator have been constructed.

这种方法实际上适用于图象处理中相当广泛的的微分算子。

In this paper,the existence of multiple positive solutions for a class of fourth-order p-Laplacian operator singular boundary value problems is discussed by using the fixed point index,and some sufficient conditions are given such that the problem has at least two positive solutions.

利用不动点指数理论研究了一类含 p-Laplace算子的四阶奇异边值问题的多重正解的存在性，给出了至少存在两个正解的条件，改进了不久前其他作者的相关研究。

This paper presents a consistent tangent operator concept-based boundary element implicit algorithm for elasto-viscoplastic sensitivity analysis.

基于一致切线算子概念的弹粘塑性隐式边界元方法，进行了弹粘塑性设计灵敏度分析。

For instance, we look for a domain which minimizes or maximizes a given eigenvalue of the Laplace operator with various boundary conditions and various geometric constraints.

例如，我们寻找一块领土，用各种各样的边界条件和各种各样的几何学限制条件减到最小或者使Laplace 操作者的规定的eigenvalue最大化。

This paper is concerned with the existence of positive solution for singular m-point boundary value problems with p-Laplacian operator by using a fixed point theorem on cone.

运用锥拉伸压缩不动点定理，讨论了一类具有p-Laplacian算子m-点奇异边值问题的正解的存在性，推广和包含了一些已知的结果。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。