查询词典 boundary element method

Edge Based Finite Element Method is combined with overlapping or nonoverlapping overrelaxation Domain Decomposition Method and Boundary Integral Equation for analyzing the electromagnetic scattering of electrically large open-ended cavities.

摘要该文将超松弛重叠及非重叠区域分裂法与矢量有限元方法、边界积分方程法相结合对三维电大尺寸开口腔体的电磁散射特性进行分析。

And combining finite element method and periodic boundary conditions,this article has provided the solution process for asymptotic homogenization equation and the predicting effective mechanics properties method in engineering.

本文利用渐进均匀化理论，详细叙述了求解具有周期性细观单元结构的复合材料有效力学性能的方法，并结合有限元理论和周期性边界条件，给出了求解渐进均匀化方程的过程，为实际工程问题提供了预测材料力学性能的方法。

Based on the finite element method and periodic boundary conditions,a method to analyze the compressive strength of stitched laminates was established,which adopted a bridging model and maximum stress criteria to predict the development of damage and obtain the compressive strength.

提出了三维纤维弯曲模型，基于有限元法和周期性边界条件建立了缝合层板压缩强度分析方法，采用桥联模型和最大应力判据分析损伤扩展并获得压缩强度，预报结果与试验吻合较好。

Boundary element method is the most widely used method for potential flow.

势流问题大量采用边界元方法数值求解。

The former can be computed by the iterative physical optical method directly and the later by the boundary element method, the generalized network principle and the reciprocity theorem are then employed to deal with the coupling across the aperture opening.

首先根据等效原理将目标散射场进行分解，分别采用迭代物理光学法和边界元法计算槽缝填充的电大目标和槽缝散射，并应用广义网络原理和互易定理处理口径耦合问题。

Except the same characteristic as the conventional boundary element method, this method avoids the nearly singular integral , so it is one of effect numerical calculation methods.

该方法继承了传统边界方法的优点，而避免了传统边界元方法遇到的边界积分奇异性问题，是该问题一个十分有效的数值求解方法。

Compared with the boundary element method based NAH, the variable interpolation, the numerical calculation and the disposal of singular integral are avoided in this method.

提出了以分布源边界点法作为声场的全息变换算法，建立了基于分布源边界点法的声全息重建和预测的数学模型。

Inthis work, by using the boundary element method and the joint theory, thewhole machine structure is equivalently modeled by beam elements and spring elements,the corresponding whole machine static model is constructed and the basic propertyparameters of the unit surface of the joints are introduced. The analysis software of thewhole machine static feature is worked out. The optimal design method based on thegenetic algorithm is proposed with the whole machine structure of multiple variablerestrains the optimal design software is developed as well.

本文运用边界元方法和结合部理论，将机床整结构用梁单元和弹簧单元进行等效，并建立相应的整机静力学模型，引入了结合面基础特性参数；编制了相应的整机静态特性解析软件；然后针对多变量约束的机床整机结构提出了用遗传算法进行优化设计的方法，并且编制了相应的优化计算软件。

The 3-D electric field of transformers was analyzed with the zero boundary method and infinite element method.

采用强加零边界法和无限单元法分别对高压变压器的三维电场进行了分析和计算，分析对比了两种不同方法的计算结果，并给出变压器的电位和场强分布。

The 3-D electric field of transformers was analyzed with zero boundary method and infinite element method. The results of both methods were compared with each other. The merits of these two methods were discussed and the distributions of voltage and electric field were obtained.

采用强加零边界法和无限单元法分别对高压变压器的三维电场进行了分析和计算，分析对比了两种不同方法的计算结果，并给出变压器的电位和场强分布。

The statistical analysis of this large set of mutations has led us to propose a diagnostic strategy that should help with the molecular work-up of optic neuropathies.

这一大系列基因突变的统计学分析引导我们提出一个诊断策略，可以帮助我们对视神经病变进行分子学的诊断检查。

The results show that the pipe grouting changes the mechanical parameters of surrounding rocks to achieve the security of engineering objectives by reinforcing surrounding rocks and bolcking the water.

研究表明：小导管注浆一方面改变了围岩的力学参数，另一方面利用浆液的固结特性可以实现堵水和加固围岩的工程目标，使隧道在开挖过程中的安全得到保障。