Method for computing the element restoring force, rather than the stiffness matrix, is the most important factor that determines the accuracy of a geometric nonlinear finite element problem.
几何非线性单元的精度主要决定于单元恢复力的计算方法,刚度矩阵对单元精度的影响很小。
The mixed method of boundary element and fractal finite element is adopted to solve the cracked structure-acoustic coupling problems.
应用分配形有限元和边界元相结合的方法于含裂纹的结构声相互作用问题。
Based on the geometrical nonlinear finite element (GNFE) theory, a curved quadrilateral isoperimetric element with 8 nodes for initial form analysis of tensile membrane structures is presented.
本文根据几何非线性有限元理论,提出张力膜结构初始形态分析的8结点曲面四边形等参单元。
Through the comparison of modal shape of floating caliper brake system elements by finite element modal analysis and experiment modal analysis, the validity of finite element model is confirmed.
通过对比浮钳式盘式制动器各零部件的有限元模态分析和试验模态分析所得出的模态阵型,验证了有限元模型的正确性。
By comparing the results obtained from the test and finite element analysis, a very good agreement is found, showing the accuracy and feasibility of the simulation with finite element method.
将有限元模拟结果和试验结果进行了比较,取得了较好的一致,验证了有限元分析的正确性和可行性。
Using general-purpose finite element program ANSYS, a three-dimensional finite element model of interaction between raft foundation and groundwork soil is established.
结合大型有限元软件ANSYS,建立了筏形基础地基相互作用体系的全三维有限元模型。
Shape function used for describing displacement distribution in element determines the speciality of the element in the finite element methods.
在有限单元法中,形函数用于描述单元内位移分布,决定着单元的特性。
A finite element method with high accuracy is presented in this paper, which is used to form the finite element difference method.
给出了一种有限元高精度方法,即有限元差分法的一般构造原理。
The emphasis is placed upon the numerical methods, including finite difference method, finite element method, boundary element method and so on.
着重讨论了包括有限差分法、有限元法和边界元法等在内的数值方法。
At present, the common numerical methods are finite difference, finite element, boundary element, integration equation and transmission line method.
目前,解决这类问题的数值方法主要有有限差分法、有限元法、边界元法、积分方程法、传输线法等。
Therefore, we adopt finite element software to establish finite element model of local deck structure, calculate structure stresses and to check its strength.
因此采用大型有限元计算软件建立甲板局部结构模型,对系泊工况下甲板局部加强进行强度校核。
Advanced numerical simulations were introduced in soil water research, such as finite analysis method, characteristic finite element method, and alternating direction finite element method.
土壤水研究的数值模拟方法也有一些突破,如有限解析法、特征有限元法、交替方向有限元法等。
A computer program written by the finite element language is very like a finite element paper or textbook and very easy to understand, modify and maintain.
采用有限元语言编写计算机程序就象书写有限元论文或教科书那样方便和清晰,并很容易修改和维护。
This paper analyses three-dimensional stress distributions of the stud anchor chain by the theory of finite element and boundary element.
本文应用三维边界元法和三维有限元法对有挡锚链进行了三维应力分析,并将其结果与电测实验数据作了比较,吻合得很好。
This paper focuses on the use of finite element analysis software, the threshing cylinder axis static finite element analysis process.
为此,着重研究了利用有限元分析软件对脱粒滚筒轴进行有限元静力分析的过程。
The dynamic characteristic of monolayer plate is analyzed by the finite element method, and relevant finite element computation program is compiled.
用有限元方法对单层板结构进行了动态特性分析,并编制了相应的有限元动力计算程序。
Build finite element model of main structure of container crane for finite element analyse.
建立集装箱起重机结构的有限元模型。用于有限元分析。
The computational results of Three Gorges Dam show that this combination method needs far less memory capacity and saves much more time than alone Finite element method with small element sizes.
经三峡大坝的计算表明,这种结合方法比单纯采用有限元方法少占用计算机许多存储单元,节省大量的机时。
Then the solid finite element model and the integrated finite element model of suspenders are built up.
在此基础上,建立钢绞线吊杆地实体单元模型和组合单元模型,进行计算分析。
ANSYS is a general finite element analysis software. And mesh dividing is an important part of finite element analysis with ANSYS.
ANSYS是一个大型通用的有限元分析软件,网格划分是利用ANSYS进行有限元分析的一个重要环节。
The key in finite element analysis on complete pile frame of rotary pile drill-finite element model of pin connection, is researched in depth. A feasible and accurate finite element model is offered.
对旋挖钻机桩架整体有限元分析中的关键件——销轴连接的有限元模型进行了深入研究,并提出了实用而精确的有限元模型。
The structural finite element modelling and the finite element analysis of linear buckling characteristics of the composite by pass duct case of aeroengine are carried out.
对某航空发动机复合材料外涵道机匣构件进行了结构有限元建模与线性屈曲特性的有限元分析。
The strength and rigidity of bus body are analyzed, with finite element method and the finite element modeling is validated using the electric measure technique.
用有限元法对半承载式客车车身强度、刚度进行了分析,用电测量技术对有限元模型进行了验证。
The comparison and analysis on the finite element method and the boundary element method of high-pressure pervious lining tunnel have been conducted.
主要进行了有限元法高压透水衬砌隧洞和边界元法高压透水衬砌隧洞的比较分析。
A time domain coupling procedure was developed for the finite element (FE) and scaled boundary finite-element (SBFE) methods to analyze dynamic unbounded soil-structure interaction problems.
该文提出了一种有限元(FE)比例边界有限元(SBFE)时域耦合方法以分析结构地基动力相互作用问题。
Introducing heat exchange theory and finite element theory, and deducing the theory that applies finite element method to thermal analysis and thermal stress analysis.
介绍了传热学基本理论知识,有限元方法思想。对有限元法在热分析和热应力分析中的具体应用进行了理论推导。
Introducing heat exchange theory and finite element theory, and deducing the theory that applies finite element method to thermal analysis and thermal stress analysis.
介绍了传热学基本理论知识,有限元方法思想。对有限元法在热分析和热应力分析中的具体应用进行了理论推导。
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