Simulation of failure in laminated polymer composites: Building-block validation

Furtado C.; Catalanotti G.; Arteiro A.; Gray P. J.; Wardle B. L.; Camanho P. P.

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Simulation of failure in laminated polymer composites: Building-block validation

机译：层压聚合物复合材料的失效模拟：构件验证

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The development of numerical tools to complement the experimental determination of structural design parameters is of key importance to hasten the certification process of new materials and structures. In this work, a methodology to simulate elastic and inelastic deformation of composite laminates at the subcomponent level based on finite element analysis is proposed. A modified version of a continuum damage model proposed in the literature combined with a frictional cohesive zone model is used to capture the intralaminar and interlaminar damage and failure of composite laminates in general loading conditions. The methodology is validated for three aerospace-grade carbon fibre reinforced (epoxy) polymer composite material systems and coupon configurations with increasing level of complexity, including unnotched tension/compression, open-hole tension/compression and filled hole compression. The predictions obtained are in good agreement with the experimental results for all the test cases, oftentimes within the standard error of the tests, with a maximum relative error of 13%.

机译：开发数字工具以补充结构设计参数的实验确定，对于加快新材料和新结构的认证过程至关重要。在这项工作中，提出了一种基于有限元分析的模拟复合层压板在子组件级别的弹性和非弹性变形的方法。文献中提出的连续损伤模型的改进版本与摩擦内聚区模型相结合，用于捕获复合材料层压板在一般载荷条件下的层内和层间损伤和破坏。该方法论已针对三种航空航天级碳纤维增强（环氧树脂）聚合物复合材料系统和试样配置进行了验证，这些系统的复杂程度不断提高，包括无缺口拉伸/压缩，开孔拉伸/压缩和填充孔压缩。获得的预测与所有测试用例的实验结果非常吻合，通常在测试的标准误差范围内，最大相对误差为13％。

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来源
《Composite Structures》 |2019年第10期|111168.1-111168.23|共23页
作者
Furtado C.; Catalanotti G.; Arteiro A.; Gray P. J.; Wardle B. L.; Camanho P. P.;
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作者单位

Univ Porto Fac Engn DEMec Rua Dr Roberto Frias S-N P-4200465 Porto Portugal|Inst Ciencia & Inovacao Engn Mecan & Engn Ind INEGI Rua Dr Roberto Frias 400 P-4200465 Porto Portugal;

Queens Univ Belfast Sch Mech & Aerosp Engn ACRG Belfast BT9 5AH Antrim North Ireland;

AIRBUS Operat GmbH Kreetslag 10 D-21129 Hamburg Germany;

MIT Dept Aeronaut & Astronaut 77 Massachusetts Ave Cambridge MA 02139 USA;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
Composite laminates; Continuum damage mechanics; Finite element analysis;

机译：复合层压板;连续损伤力学;有限元分析;

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Simulation of failure in laminated polymer composites: Building-block validation

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