查询词典 finite element method

In this paper, the flow properties of helicopter landing and taking-off region and its influence on flight safety are introduced first, then the flow of flight deck is simulated using finite element method on the basis of Navier-Stokes equations, and the simulated results are compared with test results. The helicopter flight properties on flight deck is discussed, and it is point...

本文首先介绍了直升机舰载起降区域的气流流动特点及其对飞行的影响，然后以纳维—斯托克斯方程为基础，利用有限元法对甲板区域的气流流动进行了仿真计算，并将仿真结果与实验结果做了对比，分析了直升机在该甲板区域内的飞行特点，指出应重视流场对飞行安全的影响。

In order to derive the effect of an arbitrary bending curve in tangential orientation on a grating, a general expression about the transform of groove density was represented in theory, and simulated by Finite Element Method using ABAQUS/Standard.

理论上给出了光栅在子午面内弯曲为任意面形后，光栅线密度的变化关系，并采用有限元分析软件ABAQUS/Standard进行了模拟分析。

The three-dimensional finite element method is applied to analyse stress for tangential bonded structure of pressure vessel and pipe, and the stress with orthogonal bonded structure of pressure vessel and pipe is compared.

采用三维有限元方法对压力容器与接管切向连接部位进行了应力分析，获得了该部位的应力分布信息，并与正交接管连接结构形式的应力分布进行了比较。

A finite element method is used to analyze the stress on tangential opening and orthogonal opening tubing connection on pressure vessels, the stress distribution information of vessel barrel, tubing and position of connection are obtained. And the stress test in the model.

本文对压力容器正交和切向开孔接管区进行有限元分析，获得了容器筒体、接管及其连接部位的应力分布结果，利用电阻应变测试技术进行现场测试。

The Taylor expansion stochastic finite element method is extended for the structure vibration analysis.

在材料性能特性被看成随机的情况下，结构振动方程先用Newmark法转化为静力问题。

On root stresses and teeth compliance, the advances in different calculi commented comparatively, then applied prospect of Finite Element Method in the field is emphasized.

本文首先比较研究了齿根应力与轮齿弹性变形的主要计算方法，指出了有限元法的广泛应用前景。

Uncooled infrared detector; Vanadium oxide films; temperature coefficient of resistance; the finite Element Method; porous silicon

信息科技，无线电电子学，光电子技术、激光技术非制冷红外探测器；氧化钒薄膜；电阻温度系数；有限元法；多孔硅

Keywords spindle system;throttler;hybrid bearing;finite element method

主轴系统；节流器；动静压轴承；有限元

It will consume lots of CPU time and hard disk space of computer in calculating the ultimate torsional moment of a hull girder by using FEM, especially for the complex structure. The ultimate torsional moment of box thin-walled beam is analyzed by using finite element method. The influences of different characteristic parameters on the ultimate torsional strength are extensively studied.

在船体梁扭转极限承载能力的有限元计算中，对於比较大而且形状复杂的结构，需要采用足够多的单元数来模拟其真实的破坏模态，因而会耗费大量的CPU计算时间和硬盘空间，并且往往因为单元数太多而使数值计算变得不现实。

The influence of the defect on the torsional stiffness and the stress distribution are calculated and analyzed by finite element method. The defect widths range from one-tenth of the femur outer diameter(0.1D) to (0.3D), and defect lengths range from 1D to 5D.

计算结果表明：骨缺损长度为D时，对股骨扭转刚度和剪应力分布的影响较小；骨缺损长度从2D增至4D时扭转刚度急剧减小，而且剪应力的最大值位于骨缺损中心。

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％。