查询词典 boundary element method

The computational method and formula of elastic multi-body contact problemwith mult-contact surface by boundary element method were carried out and the correspondingfortran program was eompiled as well.

推导了多弹性体多接触面无摩擦接触问题的边界单元法的计算公式和方法，并编制了相应的FORTRAN程序。

The electron trajectory in the deflection system of electron gun is calculated by using the boundary element method and the Runge-Kutta method.

采用边界元法与等效磁荷法，模拟了偏转聚焦系统的非均匀磁场，再利用龙格－库塔法模拟出电子在该系统中的运动轨迹。

The purpose of this paper is to introduce an effective couple-stress continuum model to describe the performance of grid material when L \approx l_{m} and to recommend a method to calculate the effective moduli of the model. The representative volume element method Dirichlet boundary conditions is proposed.

在此基础上导出了正交各向异性偶应力介质的特征长度表达式和偶应力介质梁的抗弯刚度表达式，定义了偶应力影响因子\delta 以表征梁的偶应力效应。

In this paper, a new method of error estimation was suggested on h-adaptive boundary element method.

汪新 ，赵志业本文提出了一种用于估计h-自适应边界元过程解误差的新方法。

The physical meanings of BEM are extended by the FBEM and FPFM. On the basis of solving plane problems sueessfully with FBEM and FPFM, the article recommends the fictitious boundary element method and fictitious point force method to solve three dimensions problem in solid mechanics.

本文对边界单元法进行了改进，提出了使用方便、灵活、物理意义清晰的虚边界单元法和点载荷法，较好地解决了局部数值解精度不高的问题，并将所提出的方法推广应用到求解三维问题，减少了问题的复杂性。

A 2-D coupled numerical model, which is the combination Boussinesq equations solved by finite difference method with Laplace equation solved by boundary element method, is established.

Boussinesq方程与Laplace方程耦合计算模型：1 建立了外域用有限差分法求解Boussinesq方程、内域用边界元法求解Laplace方程的二维耦合计算模型。

A lower bound method is proposed for limit analysis of 2-D structures by the symmetric Galerkin boundary element method .

本文提出了二维结构极限下限分析的Galerkin边界元方法。

In this dissertation, based on the discussed history of numerical method of structure-born sound radiation, the boundary element integral equation is deduced, and then the numerical method of sound radiation, the theory of radiation modal and the sound radiation sensitivity analysis is discussed in details.

本文在分析了结构声辐射数值方法的历史及其现状的基础上，详细推导了结构声辐射的边界积分方程，对声辐射的数值计算方法、声辐射的模态理论以及声辐射的灵敏度分析作了深入详细的探讨。

The interactions between gas and particles were considered by a two-way coupling method.The motion of particles in the spouted bed with complex geometry was solved by combining DEM and boundary element method.The minimal spoute...

通过采用BEM+DEM-CFD相结合的方法进行模拟计算，得到了喷动床的最小喷动速度，研究了不同表观气速下床内的流型，得到了二维导流管喷动床的床层压降与表观气速的关系，统计分析了喷射区、环隙区内颗粒的运动速度和相应的空隙率，全面地描述了二维导流管喷动床内的气固流动特征。

Second, thestress-type ABC indicates that the ABC is an expression of interaction stress betweenthe near-field finite domain and the far-field infinite domain. It can compatible withthe finite element method very well as a natural stress boundary condition, leading tothe numerically stable near-field wave motion method.

其次，应力型指人工边界条件是有限域和无限域间相互作用应力的表达式，其作为自然边界条件较好地兼容有限元法，易于形成稳定的近场波动分析方法。

I hope that this success is just the first in a long series.

我希望这只是成功的开始。

Three dimensional stresses on the interface of tire and soil, tire deflection and soil sinkage are measured.

测试轮胎——沙土界面上的三向应力、轮胎变形和沙土沉陷；建立考虑剪切应力对沙土承载特性产生影响的车轮牵引性能预测模型；分析车轮作用下土壤的纵向稳定性。