plate shell element 板壳单元 ; 板壳元
laminated plate-shell element 层合板壳单元
virtual laminated plate-shell element 虚拟层合板壳单元
Roadbed slab and supporting layer which thickness size is far smaller than the length and width size, according with the elastic thin slab structural characteristic, are simplified as Plate-Shell element . And base support is simplified as diaphragm flexure.
本文采用通用有限元软件对不均匀沉降作用下土质路基双块式无砟轨道进行力学分析，钢轨采用弹性点支承梁模型，扣件采用线性点支承弹簧模拟，道床板与支承层由于在其厚度方向上的尺寸远小于长度和宽度方向上的尺寸，符合弹性薄板的结构特点，采用板壳单元进行模拟，基础的支承采用非线性弹簧单元进行模拟。
参考来源 - 路基不均匀沉降对双块式无砟轨道的影响研究·2,447,543篇论文数据，部分数据来源于NoteExpress
A 16 node shell element with relative degrees of freedom was developed for large deformation analysis of plate and shell structures.
为了简便有效地解决板壳结构的大变形问题，针对16节点相对自由度壳单元进行研究。
The similarity between equivalent stress distribution around the holes in cylindrical shell and its plate model is shown through finite element analysis.
有限元分析表明，开孔圆柱壳与其相应的平板模型在开孔附近的等效应力分布非常相似。
According to Finite Element Method, the impactor is considered as a discrete mass system in terms of 3D solid element with initial velocity, and 2D shell element is used for target plate.
首先采用有限元法，将撞击体离散成由三维实体单元构成的具有一定初始速度的离散质量系统，对靶板采用二维壳单元离散。
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