查询词典 finite element method

The main contents and achievements are summarized as following: 1. The principle of tension leveling of metal strip is described systematically using relative tension and relative curvature on the basis of plane hypothesis including the stress distribution on the section, the condition to undergo plastic longitudinal elongation, the calculation of longitudinal elongation, the change of tension along the strip etc.. 2. The tension leveling process of metal strip on a multi-roll arrangement is investigated detailed by nonlinear finite element method and many rules to guide the strain, deformation, stress and bending moment are discovered and illustrated.

本文的主要内容和成果如下： 1、以平面假设为前提，采用解析分析方法，建立了以相对张力和相对弯曲曲率为基本参数的平面应变金属带材拉伸弯曲变形基本原理较为系统的描述，描述涉及到应力分布与两个基本参数的关系、带材塑性延伸的边界条件、带材延伸率的计算、带材张力变化的计算等。

Based on the above methods,relevantly finite element method is putted forward.

基于有限变形弹塑性的求解方法，提出相应的有限元算法。

Inherent frequency characteristics of X2105C-1 diesel crankshaft are carried out by using ANSYS finite element method. The modal analysis includes retortion vibration, bending vibration and lognitudinal vibration.

对x2105C-l型柴油机曲轴在自由模态下的固有频率特性进行了有限元分析，所计算的模态包含了扭转振动、弯曲振动和纵向振动。

The strain rate field below notch root of the charpy V-notched specimen was numerically simulated using a dynamic elasto-plastic finite element method.

采用动态弹塑性有限元分析方法，对Charpy V型缺口试样在冲击加载条件下缺口前沿各点的应变速率分布特性进行了研究。

By means of the numerical methods, the root of the resonance frequency equation is solved, and by means of Ansys software and the finite element method, the torsional vibration mode of the thin ring is analyzed, and the academic value and the simulant value of the resonance frequency are compared.

利用数值方法，求出了共振频率的理论值；并利用Ansys软件，对薄圆环振子进行了有限元模拟，得到了其共振频率的模拟值。

A new dynamic finite element method for dynamic analysis of frame structures considering the effect of rotatory inertia and of shear deformation is presented in this paper.

在本文中，作者提出了一种可以考虑梁单元剪切变形和转动惯量影响的框架结构动力分析的动态有限元方法。

The temperature and stress-strain field of steel plate runout table cooling are simulated using thermo-elasto-plastic finite element method.

针对钢板冷却发生翘曲变形的问题，利用热弹塑性有限元法对中厚板冷却过程的温度场及应力应变场进行数值模拟。

In this paper, a finite element method for linear scalar conservation laws is analyzed.

研究了一维线性标量守恒律初边值问题的弱解，分析了有限元方法的收敛性。

A numerical human head model based on CT scan image of alive head of a Chinese has been developed using finite element method and computer-aided-engineering techniques.

该项目从计算生物力学着手，以有限元法和计算机辅助工程技术为手段，建立中国人的头部损伤生物力学的数字化头颅。

Natural convection ; absorption ; Schlieren device ; finite-element method ; numerical simulation

自然对流；吸收；纹影仪；有限元；数值模拟

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％。