Some numerical results show that the effect of disturbance frequency on dynamic geometrical stiffness matrix must be considered when the instabil…
通过算例得出了必须考虑扰频对动力几何刚度阵影响的重要结论。
The elastic stiffness matrix and the geometrical stiffness matrix for a element of cylindrical shells been established by the relation ship of strain displacement in a lange deflection.
理论上采用大挠度的应变——位移关系，建立了圆柱壳单元的弹性刚度矩阵和几何刚度矩阵。
For conservative external nodal moments, the virtual work for the external moment can result in an external load stiffness matrix, which can significantly modify the geometrical stiffness matrix.
对于保守弯矩，节点外荷载弯矩的虚功产生外荷载刚度矩阵，这个矩阵会改变几何刚度矩阵一些项。
The corresponding generalized stiffness matrix depends on both the stiffness characteristics and the geometrical constraint characteristics of the system.
相应的广义刚度矩阵既决定于体系的刚度特性，又决定于几何约束特性。
The paper deduces tangent stiffness matrix and set up geometrical nonlinear model of construction control calculation of the cable-stayed bridge.
推演了索单元的切线刚度矩阵，建立了斜拉桥施工控制计算的几何非线性模型。
Based upon the theories of geometrical nonlinearity, the stiffness matrix of cable elements are put forward and the numerical model of cable-prestressed steel structures are established.
基于几何非线性有限元理论，推导了折线形索单元的刚度矩阵，建立了索张拉预应力钢桁架的几何非线性数值分析模型。
For geometrical nonlinearity, Updated Lagrangian formulations are adopted to derive the tangent stiffness matrix.
列式法求解切线刚度矩阵来考虑几何非线性。
For geometrical nonlinearity, Updated Lagrangian formulations are adopted to derive the tangent stiffness matrix.
列式法求解切线刚度矩阵来考虑几何非线性。
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