基于三角剪切变形理论的多孔正交两层圆柱面板临界屈曲载荷分析

IF 1.7 4区工程技术 Q3 ENGINEERING, CIVIL Iranian Journal of Science and Technology, Transactions of Civil Engineering Pub Date : 2024-09-12 DOI:10.1007/s40996-024-01610-7

Ferruh Turan

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引用次数: 0

摘要

本文旨在基于三角剪切变形理论分析多孔正交两层圆柱面板的弹性屈曲。在多孔两层圆柱面板模型中，孔隙以均匀和非均匀分布模式分散。假定双层圆柱面板与孔隙率相关的材料特性沿层厚方向变化。首先，应用虚功原理推导出控制方程。然后，利用伽勒金求解程序求得多孔正交两层圆柱面板的临界屈曲载荷。此外，还通过几个实例验证了当前公式的可靠性。最后，详细研究了多孔系数、多孔分布模式、几何参数和面板层序对临界屈曲载荷的影响。

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Critical Buckling Load Analysis Of Porous Orthotropic Two-Layered Cylindrical Panels Based on Trigonometric Shear Deformation Theory

This paper aims to analyze the elastic buckling of porous orthotropic two-layered cylindrical panels based on the trigonometric shear deformation theory. In the porous two-layered cylindrical panel model, porosities are dispersed by uniform and non-uniform distribution patterns. The porosity-dependent material properties of a two-layered cylindrical panel are assumed to vary along the layer’s thickness direction. First, the Virtual work principle is applied to derive governing equations. Then, the critical buckling loads of the porous orthotropic two-layered cylindrical panels are obtained using Galerkin’s solution procedure. Furthermore, the reliability of the current formulation is validated by several examples. Finally, the influence of porosity coefficients, porosity distribution patterns, geometrical parameters, and lamination sequences of the panel on the critical buckling load are investigated in detail.

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来源期刊

Iranian Journal of Science and Technology, Transactions of Civil Engineering ENGINEERING, CIVIL-

CiteScore

3.30

自引率

11.80%

发文量

203

期刊介绍： The aim of the Iranian Journal of Science and Technology is to foster the growth of scientific research among Iranian engineers and scientists and to provide a medium by means of which the fruits of these researches may be brought to the attention of the world’s civil Engineering communities. This transaction focuses on all aspects of Civil Engineering and will accept the original research contributions (previously unpublished) from all areas of established engineering disciplines. The papers may be theoretical, experimental or both. The journal publishes original papers within the broad field of civil engineering which include, but are not limited to, the following: -Structural engineering- Earthquake engineering- Concrete engineering- Construction management- Steel structures- Engineering mechanics- Water resources engineering- Hydraulic engineering- Hydraulic structures- Environmental engineering- Soil mechanics- Foundation engineering- Geotechnical engineering- Transportation engineering- Surveying and geomatics.