The principle and method in utilizing the elastic secantstiffness in the reinforced concrete nonlinear hysteretic analysis were presented.
分析弹性割线刚度运用于钢筋混凝土非线性滞回分析的原理和方法。
2
An element tangent stiffness equation was derived based on the secantstiffness 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。
3
In this paper, the tangent stiffness matrices and the secantstiffness matrices of space trusses are derived with the energy principle in the Total Lagrangian coordinates.