tangent stiffness meaning in English
切线刚度
Examples
- Tangent stiffness matrix
切线刚度矩阵 - Based on the nonlinear finite element theories , this thesis adopts total lagrange description to deduce geometric nonlinear tangent stiffness expressions for spacial frame , considering effects of high nonlinearity
基于非线性有限元理论,采用全拉格朗日( totallagrange )描述法,考虑高阶非线性项的影响,推导了空间梁单元的几何非线性切线刚度矩阵。 - And the impact of every parameters of f - ved element , stiffness coefficient and damper coefficient of ved element , normal stiffness , tangent stiffness and sliding friction of frd element and the cross - section area of the brace on the capability of dissipating vibration energy is computed and analyzed
并对f - ved单元中ved单元的刚度系数、阻尼系数、 frd的法向刚度、切向刚度、滑动摩擦力及支撑横截面面积等参数对单元阻尼效果的影响进行了分析研究。 - Through the experimental and theoretical analyzing results , the conclusion can be summarized as follows . 1 ) the yielding load and ultimate bearing capacity of the beam are not affected by the value of the load under that load the cfrp sheets were retrofitted , but the value will affect the stiffness of the beam , especially the average tangent stiffness after rebar yielding . 2 ) the stiffness of cracked beams retrofitted with cfrp sheets is larger than that of the normal rc beams
通过试验结果分析发现，采用cfrp加固的钢筋混凝土梁的刚度较普通钢筋混凝土梁的刚度有明显提高，纤维布对承受以抗弯为主的构件具有增强刚度、控制挠度的作用；纤维加固时梁所承受的荷载大小，即加固时梁内已存在的弯曲裂缝的宽度对梁的屈服荷载及极限承载力影响不是很大，但对梁的刚度有较大影响，特别是对纵筋屈服后的刚度影响较大。 - In the analysis , a cfst arch ( single tube ) is first divided into a finite number of straight beam elements . according to the virtual work principle and the modified newton - raphson iteration method the tangent stiffness matrix considering double nonlinear properties is established . with regard to the non - equilibrium forces , the material nonlinear property along the height of the section and the length of the element is considered and the computation accuracy is improved as a result
本文首先将拱肋划分为一系列的直梁单元，运用虚功原理和修正newton - raphan数值迭代算法的基本原理准确推导了拱肋直梁单元的非线性切线刚度矩阵；在不平衡力方面考虑了沿截面高度和单元长度方向材料非线性的发展过程，提高了计算精度；再根据得到的切线刚度矩阵采用荷载增量步内修正newton - raphan迭代的增量迭代法进行了求解。