The stiffness matrix, equivalent nodal load and consistent mass matrix are derived for the beam element with variable cross-section.

导出了变截面梁单元的单元刚度矩阵、单元等效节点荷载和单元一致质量矩阵。

youdao

But force shape functions in flexibility methods establish the relations of nodal forces and section forces, and the results are exact.

而基于力的形函数的柔度法建立了单元两端与单元内部力的关系，能够得到精确的结果。

youdao

But force shape functions in flexibility methods establish the relations of nodal forces and section forces, and the results are exact.

而基于力的形函数的柔度法建立了单元两端与单元内部力的关系，能够得到精确的结果。

youdao