Based on the force-method equation, the stiffness matrix and fixed-end nodal displacement and force vector are derived.
Based on the force-method equation, the stiffness matrix and fixed-end nodal displacement and force vector are derived.
在力法方程的基础上，给出了组合梁单元的刚度矩阵、杆端位移向量及杆端荷载向量并建立了刚度方程。