Thermal buckling of flax fibre reinforced epoxy laminated composite plate using finite element analysis

International Journal for Computational Methods in Engineering Science and Mechanics Pub Date : 2021-07-09 DOI:10.1080/15502287.2021.1948149

Guru Anandan, V. Gopalan, S. Natarajan

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引用次数: 3

Abstract

Abstract Nowadays natural fibre reinforced composite plates are shown importance due to its eco-friendly nature. If natural fibre reinforced composite is manufactured properly, it will be a suitable replacement for both metallic plates and synthetic fibre reinforced composites. Potential of natural fibres for thermal load still needs a lot of studies. In this work, Flax/epoxy composite plate is prepared and numerical analysis on the thermal buckling of the composite plate is carried out using commercially available Finite Element Analysis software ANSYS Workbench. The design of experiment (DOE) approach is used to examine the buckling characteristics of the composite. The central composite design (CCD) methodology is used for the analysis. The variables considered in the DOE part are aspect ratio, ply orientation, and boundary conditions. Based on the DOE/ANOVA study, quadratic regression equation is developed which relates to the influence of these variables on the critical thermal buckling temperature of the flax/epoxy reinforced composite using Minitab Software.

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亚麻纤维增强环氧复合材料板热屈曲的有限元分析

摘要:天然纤维增强复合材料板因其环保性而受到重视。如果天然纤维增强复合材料制造得当，它将是金属板和合成纤维增强复合材料的合适替代品。天然纤维的热负荷潜力仍需要大量的研究。本文制备了亚麻/环氧复合材料板，并利用市售有限元分析软件ANSYS Workbench对复合材料板的热屈曲进行了数值分析。采用试验设计(DOE)方法对复合材料的屈曲特性进行了研究。采用中心复合设计(CCD)方法进行分析。DOE部分考虑的变量是纵横比、层向和边界条件。在DOE/ANOVA分析的基础上，利用Minitab软件建立了这些变量对亚麻/环氧树脂增强复合材料临界热屈曲温度影响的二次回归方程。

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International Journal for Computational Methods in Engineering Science and Mechanics

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