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This paper presents a study on the post-buckling response of stiffened panels to assess their load-carrying capability in buckling and post-buckling modes, with a focus on numerical investigation using Finite Element Analysis (FEA). The imperfection sensitivity was also studied to investigate the effect of geometric imperfections on the stability of the stiffened panels. The FEA results were validated against experimental data, showing substantial agreement. Shear damage failures were found to be the dominant factor causing the global collapse of the stiffened panels. The study demonstrates that FEA models can be effectively used for design analysis and optimization of reinforced panels subjected to axial compression loads.

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Numerical Simulation and Analysis of the Post-buckling Response of the Stiffened Panels

  • 会议论文

  • 发表日期：

    2025年

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  • M. S. Ismail,
  • M. F. S. Salleh,
  • A. H. Samsudin,
  • A. Jailani,
  • C. H. Le,
  • H. Q. Nguyen,
  • J. Mahmud

摘要

This paper presents a study on the post-buckling response of stiffened panels to assess their load-carrying capability in buckling and post-buckling modes, with a focus on numerical investigation using Finite Element Analysis (FEA). The imperfection sensitivity was also studied to investigate the effect of geometric imperfections on the stability of the stiffened panels. The FEA results were validated against experimental data, showing substantial agreement. Shear damage failures were found to be the dominant factor causing the global collapse of the stiffened panels. The study demonstrates that FEA models can be effectively used for design analysis and optimization of reinforced panels subjected to axial compression loads.