Barely visible impact damage in scaled composite laminates: Experiments and numerical simulations
作者： X.C. Sun , S.R. Hallett
DOI: 10.1016/J.IJIMPENG.2017.06.008
关键词: Shell (structure) 、 Composite number 、 Finite element method 、 Range (statistics) 、 Predictive capability 、 Structural engineering 、 Materials science 、 Laminated composites 、 Composite laminates 、 Astm standard
摘要: Abstract This paper investigates the effect of size and complexity composite structures on formation low-velocity impact damage via experimental tests numerical modelling. The ASTM standard test a scaled-up version were conducted. A novel technique is presented that combines 3D solid thin 2D shell elements for modelling different domains to achieve high level fidelity locally under location, whilst achieving good computational efficiency large structures. Together with studies at scales, predictive capability models was systematically validated. method demonstrated an advanced without compromising accuracy. are applied case study large-scale stringer-stiffened panel, showing this approach be suitable predicating structural response laminated composites over range sizes complexities.
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