Investigation on Buckling Behaviour of Orthotropic Laminated Composite Plates Including Cut-Outs by Using Finite Element Method

  • Unique Paper ID: 182135
  • Volume: 5
  • Issue: 12
  • PageNo: 1053-1058
  • Abstract:
  • The effects of square and rectangular cuts on the buckling behavior of a four-ply orthotropic carbon/epoxy symmetrically laminated rectangular composite plate are ascertained using a finite element approach using ANSYS software. Uniaxial compression stress was applied to the square/rectangular cuts under test. This research examines how the buckling behavior of the symmetrically laminated rectangular composite plate under uniaxial compression stress is affected by the square/rectangular cutout's size, orientation, and plate aspect ratio (a/b). For an orthotropic laminate design of [0°/45°/45°/0°], buckling loads were calculated. The findings shown that for plates with a rectangular cutout, the buckling load magnitudes decrease as the cutoff positioned angle and the c/b and d/b ratios increase. As the plate aspect ratio (a/b) increases, the buckling load magnitudes of a rectangular composite plate with square/rectangular cutout decrease. In every simulation, the aspect ratio ranged from 2 to 6. ANSYS software is used to further examine the nature of the buckling load in relation to the t/b ratio and the buckling factors at different t/b ratios, such as 1/20, 1/40, 1/60, and 1/80.

Copyright & License

Copyright © 2025 Authors retain the copyright of this article. This article is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

BibTeX

@article{182135,
        author = {Annappa H Kotre},
        title = {Investigation on Buckling Behaviour of Orthotropic Laminated Composite Plates Including Cut-Outs by Using Finite Element Method},
        journal = {International Journal of Innovative Research in Technology},
        year = {2025},
        volume = {5},
        number = {12},
        pages = {1053-1058},
        issn = {2349-6002},
        url = {https://ijirt.org/article?manuscript=182135},
        abstract = {The effects of square and rectangular cuts on the buckling behavior of a four-ply orthotropic carbon/epoxy symmetrically laminated rectangular composite plate are ascertained using a finite element approach using ANSYS software. Uniaxial compression stress was applied to the square/rectangular cuts under test. This research examines how the buckling behavior of the symmetrically laminated rectangular composite plate under uniaxial compression stress is affected by the square/rectangular cutout's size, orientation, and plate aspect ratio (a/b). For an orthotropic laminate design of [0°/45°/45°/0°], buckling loads were calculated. The findings shown that for plates with a rectangular cutout, the buckling load magnitudes decrease as the cutoff positioned angle and the c/b and d/b ratios increase. As the plate aspect ratio (a/b) increases, the buckling load magnitudes of a rectangular composite plate with square/rectangular cutout decrease. In every simulation, the aspect ratio ranged from 2 to 6. ANSYS software is used to further examine the nature of the buckling load in relation to the t/b ratio and the buckling factors at different t/b ratios, such as 1/20, 1/40, 1/60, and 1/80.},
        keywords = {Buckling, Orthotropic Laminates Aspect ratio, Square/Rectangular cutout, FEM.},
        month = {July},
        }

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