Vibration analysis of stiffened plates using Finite Element Method

被引：26
|
作者：
Hamedani, Shahed Jafarpour [1 ]
Khedmati, Mohammad Reza [1 ]
Azkat, Saeed [2 ]
机构：
[1] Amirkabir Univ Technol, Fac Marine Technol, Tehran 15914, Iran
[2] Iranian Offshore Oil Co, Head Maintenance & Planning Dept, Tehran 1966664791, Iran
来源：
LATIN AMERICAN JOURNAL OF SOLIDS AND STRUCTURES | 2012年 / 9卷 / 01期
关键词：
vibration; stiffened plates; Finite Element Method; super element; CYLINDRICAL-SHELLS; OPTIMIZATION;
D O I：
10.1590/S1679-78252012000100001
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
This paper presents the vibration analysis of stiffened plates, using both conventional and super finite element methods. Mindlin plate and Timoshenko beam theories are utilized so as to formulate the plate and stiffeners, respectively. Eccentricity of the stiffeners is considered and they are not limited to be placed on nodal lines. Therefore, any configuration of plate and stiffeners can be modeled. Numerical examples are proposed to study the accuracy and convergence characteristics of the super elements. Effects of various parameters such as the boundary conditions of the plate, along with orientation, eccentricity, dimensions and number of the stiffeners on free vibration characteristics of stiffened panels are studied.
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页码：1 / 20
页数：20
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