有限元模型中的钢板、钢梁和钢 管均采用4 节点薄壳单元(thin shell element),钢管 内的混凝土采用实体单元(brick element)。钢材采 用弹塑性强化本构模型,弹性模量取2.
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flat thin shell element 平板型薄壳元
3 dimensional thin shell element 三维薄壳单元
thin shell finite element 薄壳有限元
thin shell finite element method 薄壳有限元方法
thin-thick flat shell element 厚薄通用平板壳元
The optimal shape control of flexible intelligent thin shell structure is derived by using the intelligent thin shell element presented.
利用三维智能薄壳单元,研究了柔性薄壳智能结构的动态最优形状控制;
The reason for generating the false stress in a transition element connecting a solid element to a thin shell element for stress analysis is considered.
分析了体—壳过渡元中产生“虚假应力”现象的根本原因,给出了两种改进方法。
The numerical examples demonstrate that this element has less sensitivity to mesh distortion and can be applied to numerical analysis of thin shell structures.
数值算例表明,推导的单元适用于薄壳结构的数值分析,并具有很好的对歪斜网格的适应性。
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