查询词典 extremal element

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。

The programs of nonlinear infinite and finite element which analyze material nonlinear problems of plane and spatial infinite domain.

模拟平面、空间材料非线性无限域问题的非线性映射无限元（包括非线性映射节理，映射夹层无限元）、有限元计算程序。

The plane adopts the joint method of both the finite element and the finite difference to divide plane domain by means of irregular triangular net in order to fit topography and coastal line complicated sea zone; Vertical application σcoordinate conversion and the finite difference method.

平面采用有限元法和有限差分法相结合的方法，用不规则三角形网格剖分计算域，以适应地形和岸线复杂的海区；垂向应用σ-坐标变换及有限差分法。

In this paper, the analytical expressions of seismic input for homogeneous elastic half-space are first derived in oblique incidence of plane SV-wave, and then a finite element model for a real hydropower cavern group composed of main powerhouse- transformer chamber- tailrace surge tank cavern is created. Characteristics of seismic responses such as displacement, acceleration and stress are studied in detail at different incidence angles and some results are compared with those given by the literature.

本文首先推导了平面SV波斜入射下均质弹性半无限空间的地震动输入表达式，然后建立了某水电站主厂房室-主变室-尾水调压室等构成的地下洞室群有限元模型，详细研究了不同入射角度下各洞室的位移、加速度、动应力等地震反应特点，并与文献进行了对比。

An optical element such as a rear projection screen for an image display device comprises at least two substantially rigid sheet members each having a first major surface and a second major surface providing a plane of incidence and a plane of emergence, respectively, through which light is transmitted sequentially. A first sheet member comprises a Fresnel lens, and a second sheet member comprises a lenticular lens array on each of the major surfaces thereof.

一种光学元件，例如用于图象显示装置的背投式屏幕（1），包括至少两个基本为刚性各具第一主表面（21；31）和第二主表面（22，32）的板部件（2；3），分别提供顺序穿过光线（10）的入射面和出射面，第一板部件（2）和第二板部件（3）在其各个主表面（31，32）上分别包含一个菲涅耳透镜（24）和一个双凸透镜阵列33，35。

In the text we using the Pro/E software for the level planet carrier establishment three dimensional full-scale mockup, and inducts this model the ANSYS software to carry on the finite element analysis, carries on the intensity examination for the planet wheel gear system designed in traditional method.

本文对传统设计方法设计的行星轮架应用Pro/E软件为一级行星架建立三维实体模型，并将该模型导入ANSYS软件进行有限元分析，进行强度校核，参数优化。

From plantlet stage to harvest stage, the Nitrogen,Phosphorus and Potassium element was continuously being absorbed in by lily.

营养元素的吸收高峰期在半枯期前后至采收期历时37天，氮、磷、钾的吸收比例为

In this paper, theory of homogenization was introduced into the calculation of plasterboard filled with concrete and Representative Volume Element model of plasterboard filled with concrete was established.

本文将均质化理论引入灌芯混凝土石膏板的计算，建立了灌芯混凝土石膏板的代表性体积单元模型，应用有限元分析程序ANSYS对此RVE模型进行模拟，获得其等效弹性常数，为结构的有限元计算提供了有效途经。

Composite wall ; fiber-reinforced plasterboard ; nonlinear finite element analysis ; seismic behavior

组合墙体；纤维增强石膏板；非线性；有限元分析；抗震性能

We enjoyed the participation of 21 professionals: architects, designers of every field, a plasterer, and the designers at one household appliance manufacturer, who undertook the design of commonplace objects by delving into their haptic element.

我们得到了21专业人士参与：建筑师，各个领域，一个泥瓦匠设计师，并在一家电制造商，谁承接钻研的触觉要素的普遍对象的设计的设计师。

You can buy sweetened beverages, if that suits you.

你若喜欢的话，可以买些含有糖精的混合饮料。

As many of you are probably aware, Nick and Vanessa were recently faced with an embarrasing sex scandal after naked pictures of the two getting jiggy with it in a hot tub surfaced the net.

正如很多你可能知道，尼克和 Vanessa 最近面临一个尴尬的绯闻事件后，赤裸裸的图片两个越来越jiggy与它在浴缸中的一个热点浮现净。