The precise tangent stiffness matrix of space cable element is derived in this paper by using equilibrium equation.
本文采用状态平衡方程推导出用超越函数表示的空间索单元切线刚度矩阵的精确表达式。
Having introduced the eccentric space thin-walled girder and the space combined cable elements, the author has derived element elastic stiffness matrix, geometric stiffness and masse matrix.
引入偏心空间薄壁梁单元及空间组合索单元，导出弹性刚度阵、几何刚度阵、质量阵。拉索张力随垂度变化的非线性由等效几何刚度计入。
The design of the cable stayed bridge structure is optimized by using 3-d space finite element model.
应用三维空间有限元模型，进行斜拉桥结构优化设计。
The design of the cable stayed bridge structure is optimized by using 3-d space finite element model.
应用三维空间有限元模型，进行斜拉桥结构优化设计。
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