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<p>This work aims to investigate the linear and nonlinear behavior of sandwich panels made with a recovered fiberglass waste based-core and polymer facesheets. Indeed, the originality of the present study is to advocate an experimentally validated model coupled with damage simulations for a range of sandwich panels with different core shapes to predict ultimate response and associated failure modes. In this respect, a 3D finite element approach is established using Hashin damage model for reinforced fiber polymer waste under ABAQUS considering the effects of various factors such as the core thickness and fibers orientation. The emphasized results in terms of global and local aspect showed a close agreement between the simulation results and the experimental ones. Furthermore, the simulation outcomes showed that increasing the core thickness significantly enhanced the maximum load capacity and stiffness of the sandwich panels, resulting in the effective performance of sandwich panels made from recycled fiberglass waste. Additionally, controlling the distribution of fibers orientation helps enhance the mechanical performances of panels.</p>

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A Nonlinear Approach for Simulating the Flexural Behavior of GFRP Waste Core Based-Sandwich Panels with Damages Analysis

  • 期刊论文

  • 发表日期：

    2025年5月8日

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  • Mohammed Meddour,
  • Souad Ait Taleb,
  • Abdelmadjid Si Salem,
  • Aghiles Nekmouche

摘要

This work aims to investigate the linear and nonlinear behavior of sandwich panels made with a recovered fiberglass waste based-core and polymer facesheets. Indeed, the originality of the present study is to advocate an experimentally validated model coupled with damage simulations for a range of sandwich panels with different core shapes to predict ultimate response and associated failure modes. In this respect, a 3D finite element approach is established using Hashin damage model for reinforced fiber polymer waste under ABAQUS considering the effects of various factors such as the core thickness and fibers orientation. The emphasized results in terms of global and local aspect showed a close agreement between the simulation results and the experimental ones. Furthermore, the simulation outcomes showed that increasing the core thickness significantly enhanced the maximum load capacity and stiffness of the sandwich panels, resulting in the effective performance of sandwich panels made from recycled fiberglass waste. Additionally, controlling the distribution of fibers orientation helps enhance the mechanical performances of panels.