A micromechanics-based degradation model for composite progressive damage analysis:

作者: Jianyu Zhang , Longwei Zhou , Yuli Chen , Libin Zhao , Binjun Fei

DOI: 10.1177/0021998315602947

关键词:

摘要: A new material degradation model only with fundamental properties required is proposed for composite progressive damage analysis based on micromechanics. For different failure modes, the effects of fiber and/or matrix are explored, from which factors these modes deduced. The then implemented analyses, using user subroutines in commercial code ABAQUS®, accompanying a modified Hashin type criterion and finite element models six commonly used double-lap bolted joints various layups, geometry dimensions, fasteners. numerical predictions loads, patterns, load–displacement curves compared results obtained static tests further ultrasonic C-scan detection. Good agreements between experimental outcomes indicate effectiveness suitability p...

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