Dynamic response of curvilinearly stiffened plates under thermal environment

被引：4

作者：

Liu, Jingze ^{[1
,2
]}

Fei, Qingguo ^{[1
,2
]}

Wu, Shaoqing ^{[1
]}

Zhang, Dahai ^{[1
,2
]}

Jiang, Dong ^{[3
]}

机构：

[1] Jiangsu Engn Res Ctr Aerosp Machinery, Nanjing 211189, Peoples R China

[2] Southeast Univ, Sch Mech Engn, Nanjing 211189, Peoples R China

[3] Nanjing Forestry Univ, Coll Mech & Elect Engn, Nanjing 210037, Peoples R China

来源：

JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY | 2021年 / 35卷 / 06期

基金：

中国国家自然科学基金;

关键词：

Curvilinearly stiffened plates; Experiment; Improved finite element method; Thermal environment; BUCKLING ANALYSIS; NONLINEAR RESPONSE; FREE-VIBRATION; SHELL; OPTIMIZATION; PANELS;

D O I：

10.1007/s12206-021-0508-1

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

An improved finite element modeling method is developed for isotropic curvilinearly stiffened plates under a thermal environment. The existing modeling method for curvilinearly stiffened plates avoids the difficulty of node overlap, which is suitable for plates with different thicknesses. By introducing the influence of temperature on material parameters and thermal stress on additional stiffness, the existing method is improved and extended to the study of thermodynamics. The proposed method is verified by modal test at normal temperature and commercial finite element software at the thermal environment. The variation of dynamic characteristics with temperature under different boundary conditions was studied. Results show that when the boundary conditions are asymmetric, the influence of temperature on the thermal mode shape is more significant than the case of symmetrical.

引用

页码：2359 / 2367

页数：9

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