纺织复合材料本构行为的模拟研究
Approach of the constitutive material behaviour of textile composites through simulation
摘要：
本文提出了一种通过有限元模拟确定纺织复合材料复杂本构行为的完整方法。在这项工作中，模拟不同的负载情况下进行的小样本的纺织复合材料，考虑到所有个别纤维的织物和它们之间发生的相互作用。最微妙的问题是与纤维之间的接触摩擦相互作用的建模，以及后续的非线性问题的解决方案，通过强大的算法。这些算法的效率，以及高性能计算能力的增加，允许模拟由数百个互锁纤维制成的样品。
英文摘要：
A complete approach for the determination of the complex constitutive behaviour of textile composites through finite element simulation is presented in this paper. In this work, simulations of different loading cases are carried out on small samples of textile composites, taking into account all individual fibers of the fabric and interactions taking place between them. The most delicate issue is related to the modelling of contact-friction interactions between fibers,and the solution of the nonlinear problem that follows up by the means of robust algorithms. The efficiency of these algorithms, and the increase of capacities of high performance computing, allow to simulate samples made of several hundreds of interlocked fibers.
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