Delamination crack growth in a double cantilever beam laminated composites is modeled by using simple stress analysis beam theory combined with simple linea'/> Delamination Modeling of Double Cantilever Beam of Unidirectional Composite Laminates
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首页> 外文期刊>JPC Bulletin on Iron & Steel >Delamination Modeling of Double Cantilever Beam of Unidirectional Composite Laminates
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Delamination Modeling of Double Cantilever Beam of Unidirectional Composite Laminates

机译：单向复合层压板双悬臂梁的分层模拟

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AbstractDelamination crack growth in a double cantilever beam laminated composites is modeled by using simple stress analysis beam theory combined with simple linear elastic fracture mechanics and consideration of the theory of elastic failure in mechanics of material. Furthermore, advanced finite element (FE) model is built up. The FE approach employs surface cohesive zone model that is used to simulate the debonding and crack propagation. The analytical modeling, moreover, cracks growth and strain measurements, which are obtained from FE models, are compared with the available published experimental work. The predicted results give good agreement with interlaminar fracture toughness and maximum load which correspond to crack initiation point. The FE models results agree well with the available experimental data for both crack initiation and propagation.
机译：<标题>摘要 <帕拉ID =“PAR1”>通过使用简单的应力分析光束理论建模双悬臂梁叠层复合材料中的分层裂纹增长与简单的线性弹性骨折机制相结合，并考虑了弹性故障理论 在材料的力学中。 此外，建立了先进的有限元（FE）模型。 Fe方法采用表面凝聚区模型，用于模拟剥离和裂纹传播。 此外，将从Fe模型获得的分析建模和裂缝的生长和菌株测量结果与可用公开的实验工作进行比较。 预测结果与对应于裂纹启动点的间隔骨折韧性和最大载荷吻合良好。 FE模型结果与裂纹启动和传播的可用实验数据很好。

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