层状复合拱的静力响应评价

IF 1.1 Q4 MECHANICS
V. M. Mahajan, Amit Sharma
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引用次数: 3

摘要

摘要层状复合材料由于其坚固而轻质的结构,广泛应用于汽车工业、航空航天工程、海上和各种机械领域。因此,关于层状梁的变形,有各种涌现理论。先前的研究是不够的,因为它们是基于具有简支(SS)端部条件的层状复合材料和夹层拱的变形。因此,利用指数剪切变形和正态变形理论对拱进行研究是一个很好的机会。这一主要假设主要是对采用指数理论的夹层和分层复合拱的弯曲研究的补充。本理论不需要任何剪切校正因子来满足拱的底部和顶部纤维处的零横向剪切应力条件。通过虚功原理导出了控制方程和相关的终止条件。Navier用于夹层和分层复合拱的技术是在均匀分布荷载作用下的SS边界条件。目前的研究结果表明,指数法向变形和剪切变形理论可用于评估层状复合材料和夹层拱的静力响应。通过已发表文献中的结果验证了从本理论获得的结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Evaluation of static responses for layered composite arches
Abstract Layered composite materials are widely used across a variety of sectors, including the automotive industry, aerospace engineering, offshore, and various mechanical domains, because of their strong yet lightweight structures. Therefore, various emergent theories are available on the deformation of layered beams. The previous research studies are insufficient as they are based on deformation of layered composite and sandwich arches with simply supported (SS) end conditions. Therefore, it is a good opportunity for researchers to investigate the arches using exponential shear deformation and normal deformation theory. The leading hypothesis mainly adds to the research of bending for sandwich and layered composite arches adopting the exponential theory. The present theory does not require any shear correction factor to satisfy zero transverse shear stress condition at the bottom and top fibers of arches. Governing equations and associated end conditions are derived through principle of virtual work. Navier’s techniques used for sandwich and layered composite arches are SS boundary conditions subjected to uniformly distributed load. The results of the current study showed that the exponential normal and shear deformation theories may be used to evaluate static responses for layered composite and sandwich arches. The obtained results from the present theory are validated through the results available in published literature.
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来源期刊
CiteScore
2.60
自引率
13.30%
发文量
25
审稿时长
14 weeks
期刊介绍: The aim of Curved and Layered Structures is to become a premier source of knowledge and a worldwide-recognized platform of research and knowledge exchange for scientists of different disciplinary origins and backgrounds (e.g., civil, mechanical, marine, aerospace engineers and architects). The journal publishes research papers from a broad range of topics and approaches including structural mechanics, computational mechanics, engineering structures, architectural design, wind engineering, aerospace engineering, naval engineering, structural stability, structural dynamics, structural stability/reliability, experimental modeling and smart structures. Therefore, the Journal accepts both theoretical and applied contributions in all subfields of structural mechanics as long as they contribute in a broad sense to the core theme.
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