Multiaxial loading of aeronautic composite structures at intermediate scale: A review of VERTEX developments

IF 5.3 Q2 MATERIALS SCIENCE, COMPOSITES
Bruno Castanié, Jean-Charles Passieux, Jean-Noel Périé, Christophe Bouvet, John-Eric Dufour, Joël Serra
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引用次数: 0

Abstract

The certification of aeronautical composite structures is based on a pragmatic approach, which is intended to be safe and essentially experimental but with a strong test/calculation dialogue called the “Test Pyramid”. However, this has proved to be extremely expensive and it appears necessary to reduce its cost either by developing Virtual testing, or by developing richer tests on an intermediate scale between coupon specimens and structural parts. It was in the aim of meeting this objective that the VERTEX program (French acronym for “Experimental modeling and Validation of compositE strucTures under complEX loading”) was launched in 2012. After positioning the VERTEX program in relation to the literature, this review will explain the methodology and present the measurement methods specifically developed for this scale. Then, three scientific themes that have been studied will be detailed (large notches, impact and wrinkling case studies). Finally, a proposal for validating the structures using envelope curves will be put forward, an assessment made, and perspectives presented.

中尺度航空复合材料结构的多轴加载:VERTEX 发展回顾
航空复合材料结构的认证基于一种务实的方法,其目的是安全的,基本上是实验性的,但有一个强大的测试/计算对话,称为 "测试金字塔"。然而,事实证明这种方法成本极高,看来有必要通过开发虚拟测试或在试样和结构部件之间的中间尺度上开发更丰富的测试来降低成本。为了实现这一目标,2012 年启动了 VERTEX 计划(法文首字母缩写词,意为 "复合材料结构在碰撞加载下的实验建模和验证")。在根据文献对 VERTEX 计划进行定位后,本综述将解释其方法论,并介绍专门为此量表开发的测量方法。然后,将详细介绍已研究的三个科学主题(大缺口、冲击和起皱案例研究)。最后,将提出利用包络曲线验证结构的建议,并进行评估和展望。
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
Composites Part C Open Access
Composites Part C Open Access Engineering-Mechanical Engineering
CiteScore
8.60
自引率
2.40%
发文量
96
审稿时长
55 days
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