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Tailored patch placement on a base load carrying laminate: A computational structural optimisation with experimental validation

机译:在基础载荷层压板上量身定制的贴片放置:通过实验验证的计算结构优化

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摘要

Endless fibre reinforced polymer matrix composites show remarkable potential for substituting metal components in engineering applications. However, they require special designing and manufacturing capabilities to exploit their structural potential and to be affordable for mass production. Therefore, a procedure for the tailoring and the manufacturing of thermoplastic endless fibre reinforced components is needed and is presented in this work. The optimisation scheme to tailor a supporting layer on an existing base load carrying ground structure is implemented with an optimality based orientation optimisation and a gradient based density optimisation aiming for higher component stiffness. The procedure leads to truss-like structures with continuous fibre paths, which are transferred to a manufacturable component by Multi-Linearisation technique. In a patch placement cell, the structure is built up according to the Multi-Linearisation pattern and then evaluated on a component testing machine.
机译:无休止的纤维增强聚合物基复合材料在工程应用中具有替代金属部件的巨大潜力。但是,它们需要特殊的设计和制造能力,才能发挥其结构潜力,并能够以批量生产的价格买到。因此,需要用于热塑性环形纤维增强部件的剪裁和制造的程序,该程序在本工作中提出。通过基于最优性的定向优化和基于梯度的密度优化以实现更高的组件刚度,来实现在现有基础承载地面结构上裁剪支撑层的优化方案。该过程导致具有连续纤维路径的桁架状结构,并通过多线性化技术将其转移到可制造的组件上。在贴片放置单元中,根据多线性化模式构建结构,然后在组件测试机上进行评估。

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