能量变分原理推导考虑剪切变形的梁单元刚度矩阵

The study on the segment element stiffness matrix by energy-variational principle with considering shearing deformation

利用能量变分原理 ,导出了考虑剪切变形情形的梁段单元刚度矩阵和荷载列阵 。

By using energy variational principle, the stiffness matrix and the nodal loading vector of the segment element are gained when shearing deformation is considered, and the merits of this method are indicated.