Modeling inter-laminar failure in composite structures: illustration on an industrial case study
作者： M. Bruyneel , J.-P. Delsemme , Ph. Jetteur , F. Germain
DOI: 10.1007/S10443-009-9083-9
关键词:
摘要: This paper presents a solution procedure made available at an industrial level to study delamination in composites. Two approaches are presented. The first one is based on original VCE (Virtual Crack Extension) method used provide quick estimate of the propagation load and critical inter-laminar cracks, linear finite element analysis. second approach relies cohesive elements, implies non More general than fracture mechanics (VCE) approach, elements technique allows value maximum that can be sustained by structure, predict residual strength stiffness over process. Those two methods compared DCB test case show results agree well with those from literature or analytical solutions. Finally, multi-delaminated solved both approaches.
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