推导了轴对称线性三角形元的影响系数矩阵和输入向量公式；
The influence coefficient matrix of the linear axisymmetric triangular element and the input vector expression are derived.
对于薄板弯曲问题，已提出了很多适用的三角形元和矩形元。
Many applicable triangular and rectangular elements have been developed for the plate bending problems.
把这四个变量看成是四元的而不是选出三个组合成三角形，它的优点在于：它给质量上带来了很多显著的帮助。
The merit of viewing the four as a tetrad rather than selecting only three to form a triangle is that it gives greater prominence to quality.
本文通过一个展弦比为3的三角形机翼的地面效应试验，测量了地板上的三元紊流附面层。
Three-dimensional turbulent boundary layer on the ground board is measured through the ground effect tests of a delta wing with aspect ratio 3.
提出了三棱柱的体元构造，详细设计了点、三角形、侧面和三棱柱体的数据结构，建立了一定的拓扑关系。
Also this article puts forward the data structure of point, triangle, side face and tri-prism and builds some topology.
该算法适用于三角形线性等参元。
The algorithm is available for linear triangular isoparametric elements.
应用亚参元的概念将这些矩阵推广应用于任意三角形单元。
Then these matrice are transformed to arbitrary triangular element by the concept of subparameter.
本文利用九参数三角形板单元，对拟协调元方法作了一系列的性态分析。
This paper presents a series of characteristic analysis for quasi-conforming technique by using the nine parameter triangular plate element.
应用广义协调元理论，通过增加内参位移的方法，构造了两个具有旋转自由度的三角形膜元。
Based on the theory of generalized conforming element, two triangular membrane elements with rotational degree of freedom are developed by introducing internal parameters into its displacement field.
给出了大加权三角形不等式的一个简单推论，由之简捷地推导出一些新的涉及三角形内部任一点的三元二次型不等式。
This paper presents a simple deduction of an inequality for heavy weighted triangles, and with it some new quadratic inequalities of three variants at any point within a triangle.
采用角度细分逐次迭代的有限元分析方法解决了特殊圆弧三角形部件应力和位移分布问题。
In this paper, the distribution of stress and displacement of the special arc triangle components is solved by using the Angle division iteration method of finite element analysis.
本文首次提出电机饱和磁场的无内节点亚参三角形有限元计算问题，并给出了构造其形状函数的有效方法。
First the paper addresses the problem that subparametric triangular finite elements without inner points are used to calculate the saturated magnetic fields in electric machines.
第四章首先阐述了三角形网格的划分方法，其中用到了二维等参元变换。
The fourth chapter introduces the method of triangle cell division, 2D equivalent parameter commutation is adopted.
结果表明，单元边长相同时，常数边界元比三角形线性有限元的精度要商。
The results show that constant boundary elements have higher accuracy than linear triangular finite elements when they have the same length of side.
以三角形膜单元为基础，推导了精度较高的有限元逆算法。
Based on the triangular membrane element model, a high precision inverse approach with finite element is deduced.
用高精度三角形板单元有限元程序研究多种正交各向异性材料开圆孔或开方扎夹支方板的自由振动。
The free vibration of orthotropic clamped square plates with a circular or square hole is studied with the help of the program using the high-precision triangular plate bending element.
讨论线性三角形单元对曲边区域上半离散格式下抛物问题的有限元误差分析。
In this paper the linear triangular finite element approximation to the Parabolic Problem in the domain with curved boundaries is studied.
本文讨论一个四自由度三角形非协调膜元的整体超收敛性，外推和亏量校正。
In ha peper, a four-degree triangle nonconforming membrance element is considered and the global superconvergence estmates, the extrapolation and the defect correction schemes are presented.
采用三角形单元进行有限元的分析，克服矩形单元对不规则区域划分单元的局限性。
Adopting the triangle elements to fill the design region, the difficulty to divide irregular design domain by rectangular elements is overcome.
与导体目标一样，先建立介质目标的几何模型，然后用三角形面元模拟介质表面。
As well as the conducting target, the geometrical model of the dielectric target should first be built, then triangular patches are used to model the surface of the dielectric target.
用常规有限元和二次动态有限元解算了一个悬臂三角形弯曲板的前六阶固有频率。
The First six natural frequencies of a cantilevered triangular bending plate are calculated both by the conventional finite element and by the second order finite dynamic element.
采用非结构三角形网格的有限元法求解压强摄动方程，并计算气膜刚度系数和阻尼系数。
The solution of perturbation pressure is used to calculate air bearing's stiffness and damping coefficients.
另一方面，对裂隙单元进行三角形单元的有限元网格划分，运用变分原理导出裂隙单元的渗流有限元求解方程。
On the other hand, the fracture elements are discretized into triangular mesh, and the flow finite element equations are derived based on the variational principle.
应用高精度的六节点三角形单元进行单元划分，建立复合夹层板的刚度矩阵、质量矩阵并推导有限元动力学方程。
Elements by the highly-accuracy six-node triangular element are divided. Stiffness matrix and mass matrix of sandwich panel are established and then deduced dynamical equations of finite elements.
本文基于三角形网格划分，采用有限元法，建立了平面二维非恒定潮流数学模型。
Based on triangular grids and finite element method, a planar 2-d unsteady tidal flow mathematical model is established in the article.
针对高压电力设备中常见的圆环电极表面电场强度的计算问题，提出了圆环面曲边三角形边界元方法。
The torus curve triangular BEM is put forward to calculate electric field intensity of ring electrodes in 3-d electrostatic fields.
提出了三角形油藏在不同边界条件下的试井理论模型，并用有限元方法对问题进行了求解，得到了不同情况下的试井理论曲线。
A new well test model for the triangular reservoir with different boundary conditions is developed in this paper. The typical curves for the new model are calculated by the FEM method.
刚度分析用有限元法完成 ，其中采用了一种考虑横向剪切影响的三角形单元。
The stiffness analysis is performed by the finite element method, in which a triangular element considering the transverse shear effects is used.
高次三角形单元在有限元计算中起着重要作用，本文提出一种画高次三角形单元云图的新方法。
The high order triangular elements play an important role in finite element analysis. A new method for plotting colored patterns of high order triangular elements is presented in this paper.
有限单元分割的方法和有限元方法建模的步骤，重点介绍三角形单元、四方体单元的建模过程；
Method of finite element partition, modeling procedure of finite element method, modeling process of triangle unit and quadrangle unit are detailedly introduced;
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