Generalized conforming shell element for analysis of free vibration of shell structures

›› 2011, Vol. 31 ›› Issue (1): 9-14.

• 振动理论与数值解法 • Previous Articles Next Articles

Generalized conforming shell element for analysis of free vibration of shell structures

QIAN Zhen-hua , HUANG Xiu-chang , HUA Hong-xing

( State key Laboratory of Mechanical System and Vibration, Shanghai Jiao Tong University，Shanghai 200240， China )

Received:2010-04-16 Revised:2010-07-06 Online:2011-02-18 Published:2011-02-18
Contact: QIAN Zhen-hua

用于壳体自由振动分析的广义协调元

钱振华,黄修长,华宏星

( 上海交通大学机械系统和振动国家重点实验室，上海 200240 )

通讯作者: 华宏星

Abstract

Abstract: A flat 4-node shell element is developed by using the analytical trial function based membrane and plate generalized conforming element. The element has 24 degrees of freedom and has been used for analysis of cylindrical structures. The element is easy for programming and it has high accuracy which is proved by numerical tests.

Key words: generalized conforming element, analytical trial function, shell element, vibration, FEAST, Gmsh

摘要： 本文采用基于解析试函数的广义协调四边形膜单元和中厚板单元构造了平板型4节点壳体单元，并将其用于壳体振动分析。该壳体单元具有列式简单，易于编程的优点，通过数值算例表明，该单元计算精度高，非常适合工程计算

关键词: 广义协调元, 解析试函数, 壳体单元, 振动, FEAST, Gmsh

QIAN Zhen-hua;HUANG Xiu-chang;HUA Hong-xing. Generalized conforming shell element for analysis of free vibration of shell structures[J]. , 2011, 31(1): 9-14.

钱振华;黄修长;华宏星. 用于壳体自由振动分析的广义协调元[J]. , 2011, 31(1): 9-14.

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Generalized conforming shell element for analysis of free vibration of shell structures

用于壳体自由振动分析的广义协调元

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