一种基于广义协调条件的八结点平板壳单元

A 8-node flat shell element based on thegeneralized conforming condition

在适用于中厚板的八结点等参数平板单元的基础上 ,通过引入剪应变与位移的广义协调条件 ,建立了一种平板单元 .以此单元作为弯曲单元 ,以平面Q8元作为平面膜单元 ,构造了一个新型平板壳单元 .新单元可用于厚壳 ,也可用于薄壳 .算例表明 ,新单元收敛性好 。

Based on the 8-node isoparametric element of m edium/thick plate, this paper builds up a element by means of introducing generalized con forming condition of shear strain and displacement. Taking the element as plate part as well as taking plane element Q8 as membrane part, this paper builds up a new flat shell element. This new element is applicable to boty thick shell and thin shell. Numerical results show the new element has a good convergence and a high precision.