构造四边形单元时，应用面积坐标方法有其优点。
The area coordinate method has been successfully applied to construct triangular elements.
针对四边形单元内电流的插值，推导出一组双线性插值计算式；
On the basis of the current interpolation of the quadrangle elements, this paper develops the computing expressions for bidirectional linear interpolation.
有限元模型采用单元边长比接近于1的高精度四边形单元划分网格。
Finite element model mesh use the high-precision rectangular unit which aspect ratio close to 1.
同时表明，采用四节点四边形单元能够保证数值解的准确性且具有良好的收敛性。
It was also shown that both accuracy and convergence could be ensured by 4-node quadrilateral element.
本文给出了一种快速三角元网格逐次细分法，并提出了四边形单元网格的逐次细分法。
This paper presents a scheme for gradual subdivision of a triangular mesh and a quadrilateral one is also put forward.
利用该软件，可生成三维八节点六面体单元，同时也可生成二维三角形和四边形单元。
Hexhedral element for three dimensional parts and triangle and quadrilateral mesh for two dimensional parts can be generated.
该模型的拓扑结构可以是任意型式，允许包含四边形单元、三角形单元和梁（杆）单元。
The model may be various non-simple topological structures and contain any combinations of beams, triangular elements and quadrilateral elements.
该法在行波法生成平面三角形网格的基础上，将一个三角形单元分解为三个四边形单元。
Based on the advancing front technique developed for triangular mesh generation, quadrilateral mesh can be generated by dividing each triangular element into three quadrilateral elements.
讨论了网格密度、计算精度以及CPU时间的关系以及八节点四边形单元在复杂求解域的适应性。
The relationship of the gridding density, CPU time and account precision and applicability of eight node's quadrangle element in complicated zone was discussed.
三角形网格转化为四边形网格的方法是将两个相邻的三角形网格的公共边删除，使之转化为一个四边形单元。
The method of triangle mesh translated to quadrangle mesh is that delete common side of two adjacent triangle mesh.
该文系统地建立了具有两个坐标分量(T 1,T2)的四边形单元第三类面积坐标系统(QAC - III)。
In this paper, the third version of area coordinate systems for quadrilateral elements (QAC-III) with two coordinate components (T1, T2) is systematically established.
本文根据几何非线性有限元理论，提出张力膜结构初始形态分析的8结点曲面四边形等参单元。
Based on the geometrical nonlinear finite element (GNFE) theory, a curved quadrilateral isoperimetric element with 8 nodes for initial form analysis of tensile membrane structures is presented.
本文将任意四边形板单元的协调位移模式应用于半无限弹性地基上任意形状弹性地基板分析。
The harmonious displacement model of arbitrary quadrilateral plate element is used to analyze the arbitrary shape elastic foundation plate in the semi - infinite elastic foundation.
数值计算采用配置法计算耦合的边界积分方程，使用四边形常单元。
In numerical calculation, the paper employs the collocation method to compute the coupled boundary integral equations with quadrangle constant elements.
本文采用四边形面积坐标，利用假设剪切应变场方法和广义协调理论构造出一个具有12个自由度的四边形厚薄板通用弯曲单元TACQ。
In this paper, a new quadrilateral thin-thick plate bending element with only 12 degrees of freedom, TACQ, is developed by using the area coordinate method.
采用二维轴对称坐标系和按规定速度运动的任意四边形网格单元，燃烧室可具有较复杂的几何形状。
Two-dimensional axisymmetrical coordinates and mesh cells with the shape of an arbitrary quadrilateral are employed, which can move with a pre-scribed velocity.
本文提出了曲边四边形薄板弯曲单元解决曲线边界薄板的弯曲问题。
This paper presents a curvilinear boundary quadrilateral element for the problem of thin plate of bending with curvilinear boundary.
由于其结构和所受载荷比较复杂，因此本文采用了精度较高的8节点四边形等参数环形单元对模型进行了有效求解。
In this paper, the 8-node quadrangle equal-parameter ring cell whose precision is relatively high, is used to solve the problem effectively, since the its structure and load are comparatively complex.
四边形网格生成算法思想来源于afgt法，即单元与节点同时生成。
This algorithm is based on AFGT (advanced front generation technique) method which can generate elements and nodes simultaneously.
利用这一方法得到一个新的八节点四边形平面应力单元。
By the present method, a new incompatible curved quadrilateral plane element with eight nodes is obtained.
导出斜型薄板单元模型并应用于有限元线法(FEMOL)求解平行四边形斜板的弯曲问题。
A parallelogram oblique element model is developed in the Finite element Method of Lines (FEMOL) for the solutions of oblique plate bending problems.
本文提出了任意四边形薄板弯曲单元以解决非正交边界薄板弯曲的问题。
An arbitrary quadrilateral element of plate bending is formulated to solve thin plate bending problems with nonorthogonal boundaries.
根据几何非线性有限元理论，提出张力膜结构初始形态分析的8结点曲面四边形等参单元。
Based on geometrical nonlinear finite element theory, a curved quadrilateral isoperimetric element with8 nodes for initial form analysis of tensile membrane structures is presented.
本文根据几何非线性有限元理论，采用8结点曲面四边形等参单元，编制了用于张力膜结构内力分析的有限元程序。
The internal forces in tensile membrane structures were analyzed using geometrical nonlinear finite element theory using curved quadrilateral isoperimetric 8 node elements.
根据几何非线性有限元理论，提出张力膜结构初始形态分析的8结点曲面四边形等参单元。
Based on geometrical nonlinear finite element theory, a curved quadrilateral isoperimetric element with 8 nodes for initial form analysis of tensile membrane structures is presented.
分析中采用了四边形滑移单元模拟土与锚之间的界面特性。
Quadriateral slide elements were used in analyzing to-simulate the boundary properties between soil and steel bar.
用均方加权约束梁单元和四边形板单元过渡。
The transition of girder element and quadrilateral board element were restricted with mean square weighting.
本文根据几何非线性有限元理论，提出张力膜结构初始形态分析的8结点曲面四边形等参单元。
Based on geometrical nonlinear finite element theory, a curved quadrilateral isoperimetric element with 8 nodes for initial form analysis of tensile membrane structures is presented.
根据几何非线性有限元理论，提出张力膜结构初始形态分析的8结点曲面四边形等参单元。
Based on the geometrical nonlinear finite element (GNFE) theory, a curved quadrilateral isoperimetric element with 8 nodes for initial form analysis of tensile membrane structures is presented.
根据几何非线性有限元理论，提出张力膜结构初始形态分析的8结点曲面四边形等参单元。
Based on the geometrical nonlinear finite element (GNFE) theory, a curved quadrilateral isoperimetric element with 8 nodes for initial form analysis of tensile membrane structures is presented.
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