In order to assemble structural stiffness matrix for a restrained structure, an information list for nodal point’s degree of freedom is introduced to form element orientation array.
通过引入结点约束信息表形成单元定位数组来组集受约束结构刚度矩阵 ,阐述了其基本理论和基本知识 ,从而有效提高了梁格静力有限元分析程序的计算效