采用虚功原理，通过对单元转角-位移方程的修正，推导了这种计算模型的单元质量矩阵和刚度矩阵。
By revising the rotation displacement equation, a mass matrix of this kind of structure is derived by virtual principle in this paper.
采用虚功原理，通过对单元转角-位移方程的修正，推导了这种计算模型的单元质量矩阵和刚度矩阵。
Revising the rotation displacement equation, the mass matrix and stiffness matrix of this kind of structure were derived by virtual principle.
采用有限元法建立不同管道元件的单元刚度矩阵和单元质量矩阵，最终形成管道结构的总刚度矩阵和总质量矩阵。
Finite element method is used to build up element stiffness matrix and element mass matrix. After the combined total stiffness matrix and the total mass matrix are obtained.
首先对弹性五杆机构进行有限元分析，通过机构梁单元节点位移间的关系，建立起弹性五杆机构单元质量矩阵与刚度矩阵以及弹性动力学模型。
Firstly, the links of the plane five-bar linkage mechanism is simulated by beam element, the mass matrix, stiffness matrix of linkage mechanism and elastic dynamic model of system are established.
文中还导出单元的一致质量矩阵，可资比较。
For Comparison, the consistent mass matrix of circular-beam is also derived.
导出了变截面梁单元的单元刚度矩阵、单元等效节点荷载和单元一致质量矩阵。
The stiffness matrix, equivalent nodal load and consistent mass matrix are derived for the beam element with variable cross-section.
通过板及梁的单元刚度矩阵分析，得出板梁组合结构的总刚度矩阵和总质量矩阵。
It has been given to general stiffness matrix and general mass matrix of the built-up construction of the board and beam by analyzing unit stiffness matrix of the board and beam in this article.
本文将演引组合单元刚度矩阵、质量矩阵及内力计算公式。
In the paper authors'll derive element stiffness matrix, mass matrix and formulas for computation of inner forces.
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.
目标函数、各单元的刚度矩阵与质量矩阵等跟设计变量的关系可以是非线性的。
The object function, stiffness matrices and mass matrices of the elements can be of nonlinear relations with the design...
目标函数、各单元的刚度矩阵与质量矩阵等跟设计变量的关系可以是非线性的。
The object function, stiffness matrices and mass matrices of the elements can be of nonlinear relations with the design...
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