isoparametric element

In this paper, a modified two-dimensional isoparametric element for curved thick shell is proposed based on reference [ 1]. Using the element, geometric nonlinear analysis of laminated composite shells of revolution subjected to axisymmetric load is conducted.

本文以文〔1〕为基础，提出了一种修正的二维曲壳等参元，并用之分析了承受轴对称荷载的层会复合材料旋转天的几何非线性问题。

Isoparametric element of arbitrary quadrilateral plays an important role in finite element analysis.

等参数任意四边形单元在有限元分析中有着重要的作用.

3-D finite element analysis is done for the static and dynamic characteristics of large-scale prestressed U-shaped thin shell aqueduct with shell element and 3-D isoparametric element adopted.

采用壳体单元和三维等参单元，对大型预应力U型薄壳渡槽静动力特性进行了三维有限元分析，给出了静力分析结果，并与模型试验作了对比。

Dynamic Analysis of Elastic Plate Resting on Two-Parameter Foundation by Isoparametric Element

双参数地基板动力问题的等参元分析

Applying degenerate isoparametric element, this paper has studied geometrical nonlinear response of composite plates and shells.

本文采用退化的等参壳元分析了复合材料板、壳结构的几何非线性特性.

The Application and Its Accuracy of Singular Quadratic Isoparametric Element

等参奇异裂纹单元的研究等参数畸变元在计算带裂纹结构应力强度因子中的应用和精度

Computing 3-D volume with quadrangle isoparametric element method

计算三维体积的四边形等参元方法

A new generalized conforming isoparametric element is formulated to arbitrary irregular quadrilateral for plane stress analysis.

根据线性边界力状态下的广义协调条件,对任意不规则四边形单元构造出一种广义协调等参元.

In this method, the whole area is divided into many quadratic isoparametric element by means of finite element method, then the contour line in each isoparametric element is generated, thus the whole contour is assembled.

该算法根据有限元法将整个区域分割成多个互相连续的二次等参单元，通过生成每个等参单元内的等值线，进而生成整个区域内的等值线。

Numerical examples show that the present scheme exhibits excellent performances in computation efficiency and accuracy when compared with the QAC element using numerical integration and the isoparametric element.

通过算例比较了面积坐标单刚解析式、数值积分方法以及等参元的计算效率和精度。结果表明基于面积坐标方法的单元刚度矩阵解析式在这两方面确实具有明显的优辨。

A semicircle columnar eight nodes isoparametric element

一种半圆柱体8节点等参单元

Based on the 8-node isoparametric element of m edium/ thick plate, this paper builds up a element by means of introducing generalized con forming condition of shear strain and displacement.

在适用于中厚板的八结点等参数平板单元的基础上，通过引入剪应变与位移的广义协调条件，建立了一种平板单元。

The convergence of tetrahedral isoparametric element is analysed in this paper, and the optimal H~ 1 error estimate is obtained, then it is used to solve 3-dimensional 2-order homogeneous Dirichlet problem on surface domain.

本文的主要内容是讨论了四面体等参元，分析了其收敛性并给出了最优H~1误差估计，并把它应用到曲面区域的三维2阶齐次Dirichlet问题。

Isoparametric element of arbitrary hexahedron plays an important role in element analysis.

内容摘要等参数任意六面体单元在有限元分析中有着重要的作用.