To investigate the failure behavior of open-hole carbon fiber reinforced plastics (CFRP) under the circumstance of tensile loading, three-dimensional Hashin failure criteria was adopted to predict damage initiation, and a stiffness degradation method based on progressive damage theory was proposed to assess the damage evolution. The subroutine UMAT was developed to numerically analyze the loading capacity and failure behavior of open-hole CFRP laminates under tension. The numerical prediction of ultimate loading capacity and failure procedure are compared with the experimental data, and the results are indentical. Therefore, the effectiveness and accuracy of the proposed method are validated.
Progressive Damage Based Failure Analysis of Open-hole Composite Laminates under Tension
2018
Aufsatz (Zeitschrift)
Elektronische Ressource
Unbekannt
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