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An 8-node assumed stress hybrid element for analysis of shells

机译:用于分析壳体的8节点假定应力混合元件

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In this paper an 8-node quadrilateral assumed-stress hybrid shell element is presented. The formulation is based on Hellinger-Reissner variational principle. The element is developed by flat shell approach by combining a membrane element with a Mindlin plate element. The proposed element has six degrees of freedom per node and permits an easy connection to other types of finite elements. Numerical examples are presented to show that the validity and efficiency of the present element for static and free vibration analysis.
机译:本文提出了一个八节点四边形假定应力混合壳单元。该配方基于Hellinger-Reissner变分原理。通过将膜元件与Mindlin板元件组合在一起,通过平壳方法开发该元件。所提出的元素每个节点具有六个自由度,并允许轻松连接到其他类型的有限元。数值算例表明了该单元在静,自由振动分析中的有效性和有效性。

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