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It could solve the problem that it was difficult to perform accurate analysis of stiffness and strength of a shell plastic part due to finite element simulations with many theoretical assumptions and boundary conditions.

解决了以往由于有限元模拟时存在的很多理论假设和边界条件而难以对壳体塑件的刚度及强度进行准确分析的问题。

In order to find the best processing parameter, we simulate vaccum die casting process with the help of orthogonal experiment for magnesium alloy AZ91D shell part with finite element emulation software.

运用有限元模拟仿真软件对镁合金AZ91D壳形件进行多组正交试验真空压铸过程的数值模拟，找出最佳的压铸工艺参数。

In the thesis, the elastic mechanics theory of temperature stress was introduced at first. Then give a presentation of the finite element theory of temperature stress and how to analyze super-long structure with ANSYS using 3D beam and shell element.

本文首先总结了国内外关于超长混凝土结构温度应力的研究现状，并简要地介绍了温度应力的弹性力学理论，然后概述了应用大型通用有限元软件ANSYS分析超长混凝土结构温度应力的有限元理论。

With Finite Element Method, a series of stability analysis for a cylindrical shell, which is similar to the real construction of a submar hull is carried out .

模拟 实际潜艇结构、载、装的设备、造公差及腐蚀等进行了一系列的计算和实验验证。

Their favorite hunting grounds were probably shallow waters near the mouths of rivers or off a level stretch of coast,for fish,both finny and shell,were then more plentiful and easier to catch than animals.

它们最喜欢的狩猎场，是靠近河口或是平坦海岸的近海浅水区，因为当时有鳍的鱼类和贝壳类动物比现在要多，而且比其它动物更容易捕捉。

Here we are back to welding school cutting out for the firebox access opening thru the outer shell.

在这里我们又回到学校焊接切割为的Firebox准入开放，通过外壳。

With the interpart of the firebox now welded up the outside of the waterleg was welded to the outer shell.

与跨的燃烧室，现在焊接起来以外的waterleg是焊接到外壳。

If the kiln should stop to Overhaul, work should be down, and make a heavy economic loss. As a part of kiln measure, the kiln"s ovality measure can reflect the status of kiln"s firebrick and shell.

作为水泥回转窑检测的一部分，椭圆度的测量，可以很好的反映出水泥回转窑的衬砖和筒体状况，从而对回转窑的运转情况，提供一个很好的指导数据。

Tank shell by welding together steel plates with the pylon, lined masonry firebrick.

罐外壳由钢板与吊架焊接而成，内衬砌筑耐火砖。

In order to optimize the structure for the firer base plate by means of FEM,A three- dimensional shell model has been set up for a particular type of firer base plate.

为了优化发射器座钣的结构设计，采用有限单元法对某型号发射器座钣三维空间板壳结构进行了整体三维建模，同时运用弹性力学有限元法对座钣建立的有限元模型进行模态分析和瞬态动力学分析。

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。