Based on the theory of coupling and constraint equation, the paper puts forward a Finite Element model (FEM) of metallic hose with the element of Shell93 and Beam189.
运用非线性有限元法,采用三维壳单元Shell93和空间梁单元Beam189,利用耦合和约束方程理论,在ANSYS中建立了金属软管的有限元模型,对金属软管的力学特性进行了分析计算,并将计算结果与实验数据相对照,确定了有限元方法的可靠性,对计算结果进行分析,得出了对金属软管的设计和应用具有参考价值的结论。
Then,the displacement relation between the nodes in one beam is made up by the constraint equation method.
在对横梁的力学特性分析基础上,总结了刚性材料法的不足;提出的约束方程法,可以简单有效建立起刚性横梁节点之间的相互位移关系,并应用通用有限元程序ANSYS给出了算例,证明该方法具有实际应用价值,尤其适合于斜拉桥和悬索桥的空间有限元模拟。
The constraint equations were established at the common boundary section based on plane section premise.
针对薄壁结构提出了一种混合有限元方法,对结构关心的部位采用板壳单元模拟,其他部位采用杆系单元模拟,根据平截面假定推导了2种单元在交界面处的约束方程,由此建立整体混合有限元模型。
The rationality of end constraint equations on buckling loads of a drillstring in an inclined wellbore is investigated.
针对斜直井内钻柱在自重和上部压力共同作用下的屈曲分析,用Ritz法研究了端部约束方程的合理性。
In the new approach, the method of regula falsi is used to solve the constraint equations, instead of the conventional linear approximation.
在这种新方法中使用了ragulafalsi方法来处理约束方程 ,代替了常用的线性近似法 。
A New Steepest Potential Reduction Mehod for Constrained Equations
带约束方程的一种新最速势缩减算法
The cut joints constraint equations are founded and a new direct violation correction method is utilized.
本文着重讨论了切割铰约束方程的建立和直接违约校正方法。
STUDY ON CHIP MOVEMENT CONTRAIL AND CONSTRAINT EQUATION
切屑空间运动轨迹及其约束方程的研究
Constrained Solutions for Several Kinds of Linear Matrix Equations and Their Approximations;
几种线性矩阵方程的约束解及其逼近
Geometric Constrains and Non-blowup of 2D Quasi-Geostrophic Equation;
二维Quasi-Geostrophic方程的几何约束与非爆炸性
Several Constrained Solutions of Matrix Equation AX=B and AXB=C;
矩阵方程AX=B与AXB=C的几类约束解
Controllability of Semilinear Parabolic Equations under Bounded Constraint
具有约束的半线性抛物方程的能控性
Iterative Methods for Several Constrained Matrix Equation Problems
几类约束矩阵方程问题及其迭代解法
Two kinds of finite-dimensional equation about the flexible beam have been established by use of the unconstrainted modes of vibration and the constrainted modes of vibration respectively.
分别利用非约束模态和约束模态建立了相应的离散化动力学方程。
Second Order Derivatives Based Differential Approaches to Nonconvex Constrained Optimization;
基于二阶导数的非凸约束优化的微分方程方法
Nonmonotone Trust Region Methods for Nonsmooth Equations with Box Constraints;
简单界约束非光滑方程组的非单调信赖域方法
The Nonmonotone Projected L-M Method for Convex Constrained Nonlinear Equations;
凸约束非线性方程组的非单调投影L-M方法
Some Researches on Orthogonal Projection Iterative Methods for Solving Some Constrained Matrix Equations;
求解约束矩阵方程的正交投影迭代法研究
The Solutions of a Few Matrix Equations and Their Optimal Solutions;
几类特殊约束矩阵方程问题及其最佳逼近问题
Some Research for Matrix Equation Problems under Submatrix Constraint;
关于子矩阵约束下矩阵方程问题的研究
Nonlinear Algebraic Polynomial System and Solving Geometry Constrained Problem;
非线性代数方程组与几何约束问题求解
The Constrained Minimun-norm Least Squares Solutions of a Class of Matrix Equation;
一类矩阵方程的约束极小范数最小二乘解
Iterative Methods for Constrained Matrix Equation AXB+CYD=E and Associated Optimal Approximation;
约束矩阵方程AXB+CYD=E的迭代解法及最佳逼近