有限元法

In this paper, using FEM method to numerical simulate the elastic wave equation.

本文采用有限元法进行弹性波方程数值模拟。

However, Finite element method as a numerical solution, it will have error inevitably.

但是，有限元法作为一种数值解法，不可避免地带有一定的误差。

Non-linear finite element method is an important method to numerically simulate materials processing and preparation.

非线性有限元法是材料加工与制备过程数值模拟的一种主要方法。

In order to investigate the effect of contact resistance on nugget growth and heat source distribution, an axisymmetric two-dimensional finite element model was developed to simulate the spot welding of aluminum alloys.

为了研究铝合金点焊时接触电阻对点焊熔核形成和焊接热源分布的影响，本文采用二维轴对称模型，用有限元法对铝合金点焊过程进行了数值模拟。

Data structure ; object -oriented programming ; finite element method ; nonlinear ; transient electromagnetic fields

数据结构；面向对象；有限元法；非线性；瞬态电磁场

This paper aimed at the appliance of finite element method on orthopaedic biomechanics to serve for clinic.

从临床应用角度出发，本课题旨在研究有限元法在骨科生物力学中的应用。

On the basis of the results of survey and study about researches of pulse well test at home and abroad, the method of total pressure history match and numeric solution is selected as an advanced research, the goal is to investigate a method of pulse well test in theory and analysis under the conditions of no knowledging about the changing tendency of formation pressure and having outer boundary.

根据对国内外关于脉冲试井研究情况的调研结果，本文选择全压力史拟合方法和数值求解方法作为一个探索性研究课题，将有限元法应用于压力的数值求解过程，目的是探索一种在地层压力变化趋势不清楚和有外边界的条件下的脉冲试井理论和分析方法，从而为油田提供结果更准确的、信息更丰富的开发调整依据资料。

To floor panel heating system, establishes the mathematic models of mumerical value calculation,and obtains appropriate pipe structure measurements in a given conditions of temperature evenness in floor surface.

对于地板辐射供暖系统，建立数值计算的数学模型，应用有限元法得出一定表面温度均匀条件下的适宜的地板结构尺寸，可作为地板辐射供暖系统的设计依据。

In comparison with the FEM mesh idealization, the parametric surface representation is comprised of more accurate approximation and less unknown variables for the tire contour.

与有限元法的离散相比，参数曲面的描述能够更好的逼近轮胎复杂的轮廓曲面并且有较少的未知变量数目。

The finite element method is uses in studying and analyzing the passenger train one kind effective and the practical tool.

有限元法是用于研究和分析客车的一种有效而实用的工具。

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％。