平面梁单元的单元复合技术及应用

Integrative Technique With Applications to Plane Beam Elements

深入分析了平面梁单元内任一点的位移,根据位移协调条件,利用虚功原理建立了在母梁单元上增加并复合子梁单元的方法,能够比较方便、准确地模拟工程结构中构件含加劲材料、构件截面在不同阶段变化等问题。算例验证了该方法的可行性,演示了在使用上的便利。

Based on the detailed analysis of the displacements of an arbitrary point within a plane beam element, the technique of integrating a sub-beam element to a generating beam element is put forward with the principle of virtual work to conveniently and accurately simulate the problems of reinforced members or members with varying sections during different phases, the numeric computation with the integrative elements for the given examples verifies the flexibility and accuracy.