有限元法

In order to ensure sensitivity and precision of transducer of spring beam,according to "stress concentration" design philosophy,based on reasonable choice of transducer,its strain and strength are calculated using FEM,the paster place of spring beam should be ascertained in reason,and the transducer's maximum strain orientation and measuring range are determined theoretically.

采用弹性梁对旧式液压万能材料试验机下横梁进行改造，为确保弹性梁传感器的灵敏度和精度，根据应用"应力集中"的设计原则，在合理选择传感器结构基础上，采用有限元法对其应变和强度进行计算，合理确定弹性梁的贴片部位，从理论上确定传感器的最大应变方位及传感器的量程。

So, the factor of shear lag of box girder is researched by using the principle of the stationary value of the total potential energy, FEM and model test.

针对箱梁剪力滞效应研究不完善的现状，本文对箱梁剪力滞效应应用最小势能原理、有限元法和模型试验进行研究，并探讨了剪力滞效应的影响因素。

Some applications of statistical rock-mass mechanics including finite element method and engineering classification of rock-masses.

在统计岩体力学有限元法与岩体工程分类方法方面的应用。

Finite-element method is applied to calculate the structure strength of inlet valve chest of steam turbine.

采用有限元法对汽轮机喷嘴阀箱结构强度进行了计算，同时根据结构强度计算结果来验证汽轮机进汽阀箱设计的安全性和合理性。

Many factors affect the dam's safety. SFEM was used to calculate the probability sensitivity to determined the base stochastic variable.

影响拱坝安全的因素很多，利用随机有限元法对拱坝结构进行了敏感性分析，选出了基本随机变量。

Theory of structural stability is an important independent branch in structural analysis and with the development of calculation technique in recent years, the way of FEM has been one of main methods in structural stability analysis.

结构稳定理论是结构分析的一个重要的独立分支，近年来随着计算技术的发展，有限元法已成为结构稳定分析的主要方法之一。

Also the finite element dynamic equations of structure were formulated, and computer code was developed.

应用有限元法对加筋复合材料层合板结构进行固有振动特性和导纳特性分析。

Finite element method is used in fine mesh subinterval, while upwind difference method is used in coarse mesh subinterval.

在细网格区域采用有限元法，在粗网格区域采用迎风差分格式。

A kind of finite element analyzing software "ANSYS" is used to calculate the temperature field of cable system; Finally, Subtense truncation approach is used to calculate the ampacity of cable system with equal load.

根据地下直埋电缆的温度场特性，将开域场转化为四个边分别符合第一、二和三类边界条件的四边形有界热场问题，然后利用有限元法计算场域内的温度场分布，最后用迭代的方法确定电力电缆的载流量。

Based on FEM, an axis symmetric finite element electro-thermo-mechanical model in the formation of molten core of resistance spot welding is introduced.

介绍了基于有限元法模拟电阻点焊熔核形成过程中的轴对称电、热、力耦合场的模拟模型。

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％。