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Simulation and validation of crack propagation using fracture energy concept for thin aluminum foils
Journal of Mechanical Science and Technology ( IF 1.5 ) Pub Date : 2020-04-30 , DOI: 10.1007/s12206-020-0401-3
Fabian Guse , Katharina Schmitz

The prediction of crack propagation in thin aluminum foils is a matter of interest, especially in lightweight design engineering and in the packaging industry. Current fracture simulation tools offer a wide range of simulation possibilities, but most of them lack verified and validated experiments. This paper investigates the concept of fracture energy in crack simulations for thin aluminum foils. For simulating crack propagation in these foils, only rough estimations are available. The engineer needs to predict fracture energies based on experience, which is an unsatisfactory circumstance. By combining simulation and experiments, more accurate predictions can be achieved for more reliable and precise simulations.



中文翻译:

利用断裂能概念对薄铝箔的裂纹扩展进行仿真和验证

薄铝箔中裂纹扩展的预测是一个令人感兴趣的问题,特别是在轻质设计工程和包装行业中。当前的裂缝模拟工具提供了广泛的模拟可能性,但是其中大多数都缺乏经过验证的实验。本文研究了薄铝箔裂纹模拟中的断裂能概念。为了模拟这些箔中的裂纹扩展,仅可获得粗略的估计。工程师需要根据经验来预测断裂能量,这是不令人满意的情况。通过将模拟和实验相结合,可以实现更准确的预测,从而获得更可靠,更精确的模拟。

更新日期:2020-04-30
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