Computational assessment of sustainable balsa and basalt composite sandwich for structural marine applications

IF 4 2区 工程技术 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY
Mohamed Chairi, Jalal El Bahaoui, Issam Hanafi, Federica Favaloro, Chiara Borsellino, Fabia Galantini, Guido Di Bella
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引用次数: 0

Abstract

In response to environmental challenges and the demand for sustainability, this study explores a novel engineering structure, harnessing the potential of bio-based materials within the framework of composite sandwich structures. This investigation employs finite element modeling to assess sandwich structures composed of End-grain balsa wood and fiber-reinforced polymer (FRP) facesheets. These facesheets incorporate glass, carbon, and basalt fibers, enabling a direct comparison between conventional and bio-based materials. Mechanical responses are evaluated under numerical flexural loading using Abaqus/Implicit, with a specialized wood material model integrated via a User Material (UMAT) subroutine. A 2D Hashin failure criterion assesses FRP facesheets. Intriguingly, findings indicate minimal influence from FRP on structural performance, while balsa wood and the core-casings interface emerge as decisive factors.
海洋结构应用中可持续巴尔沙-玄武岩复合材料夹层的计算评价
为了应对环境挑战和可持续发展的需求,本研究探索了一种新的工程结构,在复合材料三明治结构的框架内利用生物基材料的潜力。本研究采用有限元模型来评估由端粒轻木和纤维增强聚合物(FRP)面板组成的夹层结构。这些面板包含玻璃、碳和玄武岩纤维,可以直接比较传统材料和生物基材料。在数值弯曲载荷下,机械响应使用Abaqus/隐式进行评估,并通过用户材料(UMAT)子程序集成了专门的木材材料模型。一个二维哈欣失效准则评估玻璃钢面板。有趣的是,研究结果表明FRP对结构性能的影响最小,而轻木和岩心-套管界面则是决定性因素。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
International Journal of Damage Mechanics
International Journal of Damage Mechanics 工程技术-材料科学:综合
CiteScore
8.70
自引率
26.20%
发文量
48
审稿时长
5.4 months
期刊介绍: Featuring original, peer-reviewed papers by leading specialists from around the world, the International Journal of Damage Mechanics covers new developments in the science and engineering of fracture and damage mechanics. Devoted to the prompt publication of original papers reporting the results of experimental or theoretical work on any aspect of research in the mechanics of fracture and damage assessment, the journal provides an effective mechanism to disseminate information not only within the research community but also between the reseach laboratory and industrial design department. The journal also promotes and contributes to development of the concept of damage mechanics. This journal is a member of the Committee on Publication Ethics (COPE).
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