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On dynamic effects at folding of coated papers

机译:关于涂布纸折叠时的动态效果

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摘要

Folding of coated papers is examined numerically using the finite element method. The analysis is focused on the influence from dynamic effects on the folding process. In particular, the behaviour of field variables relevant for cracking of the coating layers are studied in some detail. The results presented indicate that dynamic effects are of little importance as regards maximum strain levels in the coating but will influence the stress and strain distributions. Accordingly, a quasi-static analysis of the problem will be sufficient in order to describe many of the important features related to cracking.
机译:使用有限元方法对涂布纸的折叠进行数值检查。分析集中在动态效果对折叠过程的影响上。特别地,详细研究了与涂层破裂有关的场变量的行为。给出的结果表明,动态影响对于涂层中的最大应变水平而言并不重要,但会影响应力和应变分布。因此,对该问题进行准静态分析就足够了,以便描述许多与裂纹有关的重要特征。

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