有限元法

The equations of a high-speed rotating plate are obtained using Jourdain＇s velocity variation principle and the finite element method and MTA are used for discretization.

基于Jourdain速度变分原理，先推导出做高速旋转薄板的动力学连续变分方程，再用有限元法对柔性薄板进行离散。

It provides foundation for further systematic dynamic analysis and structure design of mixer shafts of differential velocity stirring kneader .

采用有限元法计算差速搅拌捏合机搅拌轴的临界转速，并与理论公式的计算结果作了比较。

This paper took a landside in upstream of Huanghe River for an example, and studied finite-element method application in landside stability assessment.

以黄河上游某大型滑坡为例，研究了有限元法在评价滑坡稳定性中的应用。

Weak form of Laplace equation was deduced to make finite element method numerical calculation convenient.

对Laplace方程进行了弱形式推导以便于有限元法计算。

In this thesis, the Finite Element Method is applied to the solution of the Laplace equation formulated by means of stream function for the calculation of the static hydraulic thrust.

本文通过有限元法求解用流函数表示的拉普拉斯方程，进而计算轴流式机组的静态轴向水推力。

The different width and length of Hilbert curve geometries were investigated by finite element method. The computation results show that the DGS rejects the signal at two frequencies 2.43 GHz and 7.11 GHz from 0~9 GHz with more than -15 dB suppression. Q factors of the Hilbert curve DGS is bigger than that of conventional DGS.

通过有限元法对不同Hilbert曲线宽度和长度的DGS结构微带线进行计算，计算结果表明，该结构在0~9 GHz频段内表现出2.43 GHz和7.11 GHz这2个谐振频率，对应频率的通带反射损耗低于-15 dB，并且阻带特性在谐振频率处比传统DGS微带线有更高的 Q 值。

With the development of computer and computing technology, the limit analysis finite element method was put forward. With the strengt...

随着计算机技术与计算力学的发展，岩土工程极限分析有限元法正在成为一门新的学问，而且有着良好的发展前景。

Limit analysis finite element method ; slope stability analysis ; ultimate bearing capacity of foundations ; tunnel stability.

极限分析有限元法；边坡稳定分析；地基极限承载力；隧道稳定性

It is very practical for geotechnical engineering design.Fundamentals of the limit state finite element method are discussed in this paper,such as the definition of safety factor and the selection of yield criteria.Through a series of case studies,the applicability of the proposed method is demonstrated.

本文探讨了极限分析有限元法的一些基本原理，包括安全系数的定义、岩土体整体失稳的判据、屈服准则的选用等，并将该方法应用于边坡、地基、隧道稳定性计算，算例表明了此法的可行性，拓宽了该方法的应用范围

With the development of computers and computing technology,the limit state finite element method has been put forward.With strength reduction or load increase,the stability safety factor and failure surface can be obtained directly at limit state.

随着计算机技术的发展，极限分析有限元法应运而生，它能通过强度降低或者荷载增加直接算得岩土工程的安全系数和滑动面，十分贴近工程设计。

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％。