②The principle and method in utilizing the elastic secant stiffness in the reinforced concrete nonlinear hysteretic analysis were presented.
②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。
参考来源 - 钢筋混凝土二维非线性有限元分析的割线刚度法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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。
The principle and method in utilizing the elastic secant stiffness in the reinforced concrete nonlinear hysteretic analysis were presented.
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。
An element tangent stiffness equation was derived based on the secant stiffness equation of stability function elements with shear deformation effects considered.
本文在T．L．坐标下，利用能量原理，同时导出了空间杆元精确的割线刚度矩阵和切线刚度矩阵显式。
In this paper, the tangent stiffness matrices and the secant stiffness matrices of space trusses are derived with the energy principle in the Total Lagrangian coordinates.
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