切线刚度矩阵 meaning in English
tangent stiffne matrix
tangent stiffness matrix
tangential stiffness matrix
Examples
- 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。 - 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。 - Based on the document [ 1 ] advancing solid - beam element method for cfst arch bridge calculating , the elastic and plastic stiffness tangential matrix was deducted in detail , calculating program sycfst for ultimate bearing capacity of cfst arch bridge was drawn up based on this , which was tested and verified by computing example experimental model arch
摘要本文是在文献[ 1 ]提出钢管混凝土拱桥计算的实体梁单元法的基础上,详细地推导了该法的弹塑性切线刚度矩阵,在此基础之上编写了钢管混凝土拱桥考虑材料非线性的极限承载力计算程序sycfst ,该程序得到了算例试验模型拱的验证。 - In this thesis a new numerical method - the finite volume method is developed to achieve the static and dynamic large - deflection response analysis for suspension cables . the finite - volume division scheme is first established along the length of the cable and the deformation of each volume is defined using the common engineering strain concept . based on this strain definition the strain energy of the cable is determined
首先建立了悬索沿索长方向的有限体积离散格式,在变形后的构形上按工程方法求得了应变,并进一步得到了应变能和动能的计算式;再根据哈密顿原理导出了悬索大挠度振动的有限体积离散方程,推出了索的整体节点力向量、质量矩阵和切线刚度矩阵。