查询词典 finite element method

A multiple-step beams model was established to analyze the static stiffness characteristics of the double parallel four-bar mechanism with right angle flexible hinges based on the symmetry of the structure. Formula for calculating the static stiffness was derived by applying singularity function. On the basis of this analysis, the factors influencing the stiffness performance of the double parallel four-bar mechanism were studied from its geometric parameters, and the theoretical model was verified by finite element method.

根据其结构的对称性建立了静刚度分析的阶梯梁模型，引入奇异函数法推导了柔性双平行四杆机构的静刚度计算公式，在此基础上，分析了柔性双平行四杆机构各尺寸参数对其静刚度的影响，并采用有限元方法对理论模型进行了验证。

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。

A finite element method model of three-dimension strength and vibration analysis for a fin-stabilited sabot-discarded penetrator is established.

根据尾翼稳定脱壳穿甲弹的几何形状特点，建立了尾翼稳定脱壳穿甲弹强度分析和振动分析的三维有限元计算模型。

By the finite element method model, Natural frequency and vibration model of some project fin-stabilitde sabot-discarded penetrator during launching are calculated and analyzed.

利用建立的三维有限元模型，计算分析了30阶尾翼稳定脱壳穿甲弹的振动固有特性，得到了各阶振动的固有频率及响应振型。

Currently, the direct current resistivity models are simulated by the typical or one-time finite-element method, which often associated with the structured mesh such as hexahedron or pentahedral in 3D or with simple unstructured by directly dividing un structured mesh in 3D or 2D.

在本文中，我们呈述了一种全新的基于非结构化网格的自适应有限元数值模型方法。

Effects of the number of cells and relative density on the elastic properties of closed-cell foam model are investigated by the finite element method and periodic boundary conditions.

建立十四面体的单胞模型和多胞模型，采用有限元方法和周期性边界条件，研究胞体数目和相对密度对闭孔泡沫模型弹性性能的影响。

The parameter can be worked out by used the Finite element method and energy perturbation.

利用有限元法和能量摄动法对电机的电感参数进行计算分析。

In the finite element method for elastic problems, when any two constant-strain elements are geometrically similar in the plane or space coordinates, their coefficients of stiffness are equal or proportional.

在弹性力学的有限单元法中，几何相似的平面或空间等应变元，其劲度系数相等或成一定比例。

Aimed to the problems of difficult installation and low measurement accuracy in high moisture, the grain moisture sensor has improved from the traditional parallel polar plate probe to plane polar plate probe. The plane polar probe with protect pole was used to decrease the affect of the stray capacitance and interference, and some critical parameters of the plane polar probe that influenced sensitivity and accuracy of the sensor were proposed. The finite element method was used to analyze the electric field and capacitance of the plane polar probe.

针对谷物水分传感器平行极板探头安装难度大、高水分测量精度低等问题，将平行极板探头结构改进成为平面极板探头结构，并且通过增加保护极板减小干扰和杂散电容的影响，提出影响传感器敏感性、精度的平面极板探头的几个参数，采用有限元分析方法较精确分析了探头的电场分布和电容。

The formulas are derived from the classical theory of thin shells, The thermal stresses for three kinds of boundary conditions are calculated separately by the theoretical formulas derived from a cubic polynomial temperature distribution and by the finite element method, SAP5 program.

并以三次多项式温度分布为例，计算了三种边界条件(自由端、固支端、简支端)下，理论的和有限元的热应力曲线，对固支端进行了热应力实验，绘制了实验曲线。

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％。