查询词典 finite element method

Key words: coupled structure-acoustic systems; acoustic pressure; optimization; finite element method

以一矩形板结构一立方体声场耦合系统为实例，得到了优化的结构厚度分布。

The stress distribution of adhesively-bonded metal/metal single lap joints under tensile shear loading is analysed using elastic-plastic finite element method .The influence of lap length on the strength of adhesively bonded metal joints which are bonded with phenolic resin and acrylic resin respectively is discussed in detail. It is shown that adhesive has great influence on the stress distribution of the lap region. With the increment of lap length, the stress concentration of adhesive layer decreases.

本文在对国内外关于金属-胶层复合材料接头力学性能数值研究及发展现状进行综述的基础上，运用有限元法并结合实验手段主要研究了胶接接头承载后的力学行为，综合考虑了几何尺寸和物性参数对接头强度和应力分布的影响，并运用层次分析法对胶接质量进行综合评估，综合考虑接头形式，制造工艺，操作人员素质等因素的影响。

Mechanics method can only solve simple engineering problems,so this paper analyses the two common structure of the sealing of tail shaft through finite element method.

针对经典力学法只能求解较为简单的工程问题的缺陷，通过有限元法对舰船艉轴的两种常用密封形式进行了动力学分析，将计算结果通过数值方法加以整合，并从中找到与实际运行过程相符的计算结果进行分析，直观地展现了两种密封结构的优缺点。

The deformation of the wheel was defined through finite element method, and according to analysis method for elastic tyre in terramechanics, the draw bar pull force of spring wheel on lunar soil was computed and compared with that of rigid wheel. The result shows that the spring wheel can improve the lunar rover mobility performance.

通过有限元分析得到了载荷作用下的车轮变形，借鉴车辆地面力学中对弹性轮胎的分析方法，计算了车轮在月球表层松软土壤上行走时的挂钩牵引力，并与同等尺寸的刚性车轮进行了对比，分析表明弹性车轮结构将提高月球探测车行走性能。

In this thesis, it is analysed how to calculated the stable seepage field of earth rock-fill by finite element method, then the principle and the step of the volume method is also expatiated on the basis of former research achievments.

本文在总结前人研究成果的基础上，对利用有限单元方法计算土石坝稳定渗流场进行了研究和分析，并阐述利用体积加权法计算稳定渗流场的原理和步骤。

The initial creep stress method and the finite element method for unstable temperature field are used in the stress analysis of RCD concrete gravity dam. The true process of RCD dam placing is modeled by load analysis.

基于不稳定温度场的显式有限元解法和徐变应力的初应变法，对碾压混凝土重力坝进行了模拟坝体升程的施工过程和蓄水、放水运行全过程的温度、应力仿真计算。

It is a important method in structural analysis that simulating prestressed concrete structure using finite element method.

用有限元方法模拟预应力混凝土结构，是进行结构分析计算时的一种重要手段。

Based on design calculation, analysis of finite element method and fullscale experimental study on the joint of Chongqing Olympic stadium, the design procedure and analysis method of the joint were studied. In addition, the space properties are obtained and design suggestions of cast steel hollow spherical joint with tube were presented.

本文通过对重庆奥林匹克体育中心工程中的铸钢空心球管节点的设计与有限元分析的研究以及节点的足尺模型试验研究，探讨了该类型节点的设计过程与分析方法，得出节点的空间受力特点，并对该类型节点的设计提出几点建议。

The meshfree method has the advantage over the finite element method on constructing shape function without predefining meshes.

无网格法为近十几年来逐渐日趋成熟的演算法，相较於传统的有限元素法，其具有不需使用网格建立形状函数之特点，让无网格法摆脱有限元素法在处理某些问题遭遇到的限制。

In this paper, the finite element method and the rotationally periodic analytical method are jointly employed to study the dynamics of fluid-structure coupling systems, the relevant analytical methods and program implement are provided.

本文采用有限元法结合旋转周期分析方法对流固耦合系统的动力性能进行了系统研究，给出了有关的分析方法和程序实现。

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％。