受整体和局部几何缺陷影响的复合材料薄板的动态行为、屈曲和气动弹性分析

IF 0.5 4区工程技术 Q4 MECHANICS

Journal of Applied Mechanics and Technical Physics Pub Date : 2024-06-25 DOI:10.1134/S0021894424010152

H. Moosazadeh, M. M. Mohammadi

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引用次数: 0

摘要

对非线性正交复合薄板的非线性振动、屈曲和气动弹性进行了分析。研究了对称和非对称薄板分层类型、层数、0 至 90° 的纤维角、恒定和可变热负荷的影响、比热系数和材料弹性模量的温度依赖性以及局部几何缺陷。利用 Galerkin 的加权残差理论，将偏微分方程转化为非线性常微分方程，并采用 Runge-Kutta 方法进行求解。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

ANALYSIS OF THE DYNAMIC BEHAVIOR, BUCKLING, AND AEROELASTICITY OF A THIN COMPOSITE PLATE WITH THE EFFECT OF GENERAL AND LOCAL GEOMETRIC DEFECTS

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ANALYSIS OF THE DYNAMIC BEHAVIOR, BUCKLING, AND AEROELASTICITY OF A THIN COMPOSITE PLATE WITH THE EFFECT OF GENERAL AND LOCAL GEOMETRIC DEFECTS

Nonlinear vibrations, buckling, and aeroelasticity of a thin nonlinear orthotropic composite plate have been analyzed. The types of symmetric and antisymmetric sheet layering, the number of layers, the fiber angle ranging from 0 to 90°, the effect of constant and variable thermal loads, the temperature dependence of the specific heat coefficient and the elastic modulus of the material, along with the local geometric defects have been investigated. Using Galerkin’s weighted residual theory, partial differential equations have been transformed into nonlinear ordinary differential equations, which are solved by the Runge–Kutta method.

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来源期刊

Journal of Applied Mechanics and Technical Physics 物理-力学

CiteScore

1.20

自引率

16.70%

发文量

审稿时长

4-8 weeks

期刊介绍： Journal of Applied Mechanics and Technical Physics is a journal published in collaboration with the Siberian Branch of the Russian Academy of Sciences. The Journal presents papers on fluid mechanics and applied physics. Each issue contains valuable contributions on hypersonic flows; boundary layer theory; turbulence and hydrodynamic stability; free boundary flows; plasma physics; shock waves; explosives and detonation processes; combustion theory; multiphase flows; heat and mass transfer; composite materials and thermal properties of new materials, plasticity, creep, and failure.