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An efficient 13-parameter arbitrary quadrilateral plate element is proposed by the double set parameter method and its convergence is proven.

我们用双参数法构造了一个13-自由度任意四边形板元，证明了其收敛性，并进行了数值实验。

In the numerical simulation analysis, a Galerkin finite element method with arbitrary Langrangian-Eulerian coordinate is adopted to solve the flow and thermal fields for moving boundary problem.

又采用的数值模拟为Arbitrary Lagrangian-Eulerian座标描述系统，配合葛拉金有限元素法，处理此种流体与固体介面间相互影响的问题。

Arbitrary Lagrangian-Eulerian finite element having advantages of two descriptions mentioned above, therefore, used for modelling liquid sloshing motions.

在质点域和空间域之外，引进一个参考域，这是观察者所处位置，使我们得到了任意的运动描述。

We investigate the centralizer of an arbitrary element of a Lie algebra of type L and obtain a sufficient condition for a Lie algebra of type L being semisimple.

在李代数方面，我们研究了L-型李代数中任一元素的中心化子，给出了L-型代数为半单代数的充分条件。

In this paper we introduce a finite element program design method for solving 3 D thoracic electrical field distribution,based on Borland C++ for DOS and using isoparametric element of arbitrary hexahedron.In the process of solving final finite element equation,this paper uses the method of blocking and 'getting big number' to deal with total coefficient matrix and boundary conditions.

本文介绍了一种采用等参数8节点任意六面体单元来求解人体胸腔三维恒定电场分布的有限元程序设计方法，程序的编制基于BorlandC＋＋ForDOS的编程环境，在对最终形成的有限元代数方程的求解过程中采用了分块处理总系数矩阵及"取大数"处理边界条件的方法。

The irrational function forms interpolation on a polygonal element with arbitrary nodal distribution was constructed by using mean value coordinates of polygonal elements.

本文采用多边形单元的平均值坐标，构造任意节点分布的多边形单元无理函数形式的插值函数，提出了一种求解微分方程边值问题的多边形有限元方法。

According to characteristics of the discontinuous piecewise rigid-body model and the continuous deformable body model, a new model—Arbitrary Mesh Interface Element Model based on piecewise rigid-body displacement pattern and strain accumulated on interfaces is established, which can put both continuous media problems and discontinuous media problems into consideration.

本文根据不连续的分片刚体模型和连续介质变形体模型的特点，建立了统一分析连续介质问题和不连续介质问题的新模型——基于分片刚体位移模式和界面累积变形的任意网络界面元模型。

Experiments prove that the notch attenuation value can reach -330 dB at arbitrary frequency by adjusting phase-shift parameter.

实验表明：通过改变相移参数值，在任意频率点上陷波器的衰减值可达-330 dB。

Due to the sensitivity analysis plays an important role in the parameter method, arbitrary order sensitivity formula is derived on basis of an obtained corollary of an implicit function theorem of Several Variables Theory.

由于灵敏度分析是参数型模型修正中的一个重要环节，本文运用多元函数论，得到一个隐函数定理的推论，在此基础上导出了任意阶灵敏度的计算公式。

The algorithm used to implement fast Fourier transform of real-valued with complex-valued Fourier algorithm and the algorithm used to compensate the decaying direct current with arbitrary decay time parameter are deduced in detail.

对其中的一种用复序列DFT算法分析实数序列的算法和一种用来对具有任意衰减时间参数的衰减直流分量进行补偿的算法进行了详细推导。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。