短語詞組短語beam shell hybrid element 梁殼混合單元shallow shell finite element 扁殼看限元curved shell block element 曲殼塊體單元flat shell finite element 板殼有限元shell strip element 殼條元shell finite element method 殼有限元thin shell finite element 薄殼有限元Shell finite element analysis 殼有限元分析Flat shell isoparametric element 平面殼體等參單元 返回 shell element