An elementtangent stiffness equation was derived based on the secant stiffness equation of stability function elements with shear deformation effects considered.
以考虑剪切变形影响的稳定函数单元的割线刚度方程为基础，导出了单元切线刚度方程。
2
In this paper, the tangent vector loading method and the boundary element restrain method was presented.
采用了切线矢量加载和边界单元的约束方法建立分析模型。
3
The precise tangent stiffness matrix of space cable element is derived in this paper by using equilibrium equation.