查询词典 finite element method

The numerical method of the variational principle combined with finite element method is presented in the paper.

文中介绍了运用该变分原理并结合有限元方法进行数值计算的方法。

In order to do this, the width of narrow annuli cooling channel of beryllium beam pipe was designed by optimization method, the theoretical analysis and finite element method were used, then the optimal width was chosen, the influence of concentrated heat on the temperature of inner and outer wall was studied, and the optimal working velocity of cooling fluid was given.

本文结合理论分析和有限元数值模拟对束流铍管的冷却环形窄通道尺寸进行优化设计，确定了窄通道最佳间隙，研究了集中热负荷对内外壁温度场的影响，并确定了冷却液最佳工作流速。

By means of finite element-topological optimization method,firstly,the structure static analysis for the moving platen of injection molding machine was analyzed with Hyperworks software.The stress distributions were obtained veraciously,and then the structure of the moving platen was optimized according to the variable density method.

采用先进的有限元-拓扑优化方法，应用Hyperworks软件对注射机移动模板进行结构静力分析，准确获得应力分布，并按照变密度法对其进行结构优化，提出了移动模板材料的最佳分布方案，不仅提高产品设计刚度，还达到结构轻量化的目标。

By means of finite element-topological optimization method,firstly,the structure static analysis for the moving platen of injection molding machine was analyzed with hyperworks software.the stress distributions were obtained veraciously,and then the structure of the moving platen was optimized according to the variable density method.the best scheme of material distribution was proposed.the design stiffness of the product was improved;the aim of lightweight for the structure was also achieved.the process of...

采用先进的有限元-拓扑优化方法，应用hyperworks软件对注射机移动模板进行结构静力分析，准确获得应力分布，并按照变密度法对其进行结构优化，提出了移动模板材料的最佳分布方案，不仅提高产品设计刚度，还达到结构轻量化的目标。该分析及优化过程对目前应用较广的箱式模板设计具有重要的工程参考价值，能有效地解决工程设计中的实际问题。

In order to analyze the stiffness of 3D 4 directional braided composites, the homogenization theory based on the multi-scale perturbation theory was used as the basic theory. The virtual displacement principle was used to educe the homogenization formulation of effective elastic modulus and the schemes to solve the problem using finite element method. The effective elastic modulus of 3D braided composites were predicted by this method and the calculation results agree quite well with experiment results.

在对三维编织复合材料刚度性能的分析过程中，以基于小参数渐近展开和多尺度摄动方法的均匀化理论为理论基础，用虚位移原理导出了等效弹性模量的均匀化列式及其有限元求解方程，从而通过细观和宏观有限元的数值分析方法预测了三维四向编织复合材料的等效弹性模量，预测结果与实验结果较为吻合。

But the rigid body limit equilibrium method can not reflect the process of progressive instability and mechanical mechanism on failure for rock mass while the nonlinear finite element method is difficult to solve the displacement discontinuity of weak structural plane.

重力坝的深层抗滑稳定分析多采用刚体极限平衡分析方法和非线性有限元法，但通常的刚体极限平衡法不能反映坝基岩体渐近失稳过程和破坏的力学机制，非线性有限元法则难以解决坝基中软弱结构面位移不连续问题。

The weak formulation permit is satisfied not point by point, finite element method balances only at node neighborhood, in unit balance is not required, in analytical method single check from infinite series does not satisfy the equation, but infinite number of points satisfy the equation, and then the weak formulation of dual system of Hamilton equations was educed.

基于基本方程和边界条件的弱形式，给出相应的广义变分和不同形式的有限元所采用的弱条件，说明弱形式允许不是逐点满足，有限元法只在节点邻域平衡，在单元内不要求平衡，解析法用无穷级数中单取一项也不满足方程，也是无穷多项在积分下满足，进而导出对偶体系弱形式哈密尔顿方程。

Frequency method; Measurement of cable forces; Finite element method; Spline fitting; Yamen Bridge; Parameter identification

关键词：频率法，索力测量，有限元法，样条拟合，崖门大桥，参数识别

In this paper,a method for computation of aerostatic stability of long span bridge s,the nonlinear finite element method,is put forward.

提出一种计算大跨径桥梁静风稳定性的方法——非线性有限元法，这种方法基于ANSYS，充分考虑了结构几何非线性及静风荷载非线性的影响。

Generally we used traditional analogism and the improvising method to design them. In this paper, the finite element analysis method is applied. Firstly, the static analysis of the device is carried out and the reaction forces at the joints are calculated.

本文基于有限元分析理论，首先研究装载机的工作装置的静力分析问题，根据装载机工作装置受力最大时铲斗所受的外力，以及装载机工作装置的位置分析，求得装载机工作装置中摇臂和连杆零件各铰接点处所受的力。

Metrorrhagia is also gynaecological problems of common diseases.

崩漏是妇科常见病也是疑难症。

WordFTP gives you the convenience and timesaving you need.

wordftp让您的方便和省时您所需要的。