采用3节点或4节点空间板壳单元离散整个白车身，建立了细化力学模型。
Dispersing the whole BIW with 3d shell elements of 3 or 4 nodes created the fine FEM model.
经过众多研究者数十年的努力，已经有为数可观的板壳单元出现，其中不少是品质优良的。
Through years of researchers' persistent efforts, quite a number of plate and shell elements have been presented and many of them are excellent.
从双线性退化板壳单元出发，演绎推导出了一种可以应用于空间有限元分析的退化梁单元。
In this paper, a degenerated beam element is developed, evolving from a bilinear degenerated shell element.
应用推荐