查询词典 finite element method

Based on the Hamiltons principle and the displacement variation principle, one-dimensional discrete finite element method is developed for vibration analysis of thin-walled members.

对于动力分析部分，概述了Hamilton原理，并由位移变分原理出发推导出考虑剪力滞效应的薄壁杆件振动的一维离散有限元法。

This integral equation is incorporated into a velocity-pressure variational formulation for the interior region, and a finite element method is used to approximate the resulting variational problem.

本文在绪论中简单介绍了边界元的发展历史及其发展现状，并把边界元和有限元做了简单的比较，介绍了它们各自的优缺点。

A kind of full-discrete nonconforming finite element method is proposed for the parabolic variational inequality.

讨论了抛物型变分不等式的一类全离散非协调有限元方法，得到了相应的最优误差估计，改进了以往文献的结果。

The relatively new finite element method and associated variational methods are developing into important numerical tools.

相当新的有限单元法和相关的变分法正在发展为重要的数值手段。

An effective vector finite element method for analysis of 3D radiation problem is proposed in this paper.

提出了一种用于3-D电磁辐射特性分析的快速有限元方法。

Firstly, a scalar and vector potential analysis models of tooth-layer magnetic field in a two-degree-of-freedom motor is developed, which is the same as standard hybrid step motor. By applying the finite element method, the distribution of the tooth-layer magnetic field is studied in detail. It provides an effective means for further calculation of performance and parameters of the motor.

首先，对两自由度电机产生转矩的关键部分——齿层区域的磁场进行了细致深入的分析，提出了齿层磁场的标量位和向量位分析模型，并通过有限元的数值计算，对各种情况下齿层磁场的分布规律从微观上进行了形象的分析和研究，为完整电机的进一步计算提供了有力的工具。

Vertical vibration analysis model for vehicle/track coupling system is developed by means of finite element method.

利用有限元法，建立了车辆-轨道耦合系统竖向振动分析模型。

In this paper, analyses for static equilibria of various aerial crossing pipeline structures and dynamic characteristics of cable-stayed bridges are referenced. According to the fluid-induced vibration of cylindrical structure theory, the finite element method is adopted to analyze dynamic response of the aerial crossing pipeline structure supported by inclined cables with vertical expansion joint during the pigging process.

本文在参考各种管道跨越结构的静力平衡分析和斜拉公路桥的动力特性分析基础上，根据流体诱发圆柱结构振动理论，采用有限单元法对具有立式补偿器的斜拉索管道跨越结构清管时的动力响应进行分析。

Using the finite element method to calculate the bandgap semiconductor structure and the wave function.

采用有限元法计算半导体的带隙结构和波函数。

Based on variational principle and split-based interpolation finite element method for fast and accurate analysis of normal mode helical antenna,Combination of genetic algorithm and then load the normal mode helical antenna loaded on the value of lumped elements,Load location,and matching network integrated optimal design parameters,And using Sherman-morrisorr Woodbury formula to quickly solce the load component values and load the changed position of the impedance matrix equation to improve the efficiency of optimized design.

采用基于变分原理和剖分插值为基础的有限元法来快速精确分析法向模螺旋天线，然后结合遗传算法对加载法向模螺旋天线上的加载集总元件的值、加载位置以及匹配网络参数进行一体化优化设计，并采用Sherman-Morrisorr Woodbury公式来快速求解加载元件值和加载位置改变后的阻抗矩阵方程，提高优化设计的效率。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。