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Bending Analysis of Composite Plate with Cutout Carrying Uniformly Distributed Load
https://orcid.org/http://orcid.org/0000-0002-9119-401X
The existence of a cutout in a structure may cause a loss of strength due to changes in load lines surrounding it. The estimation of deflection and bending moment due to such cutouts is critical in applications like ship decks and aviation constructions, where composites are commonly employed to avoid significant failures. The cutout plates can be considered as a floor with a cutout for a lift or staircase. Also, central cutout plates are commonly used in dam gates where the cutout is the passage for water flow. So, once the deflection is known stress-induced in the plate due to the external load can be calculated and the plate can be designed considering appropriate failure theories. The fiber arrangement, number of layers, and cutout size all affect the performance of laminated composite plates. In this research, the finite element approach is employed to assess the bending of composite plates under various loading circumstances. In the finite element algorithm, a nine-node isoparametric plate bending element with five degrees of freedom is paired with the first-order shear deformation theory (FSDT). The plate is examined with various cutout sizes, boundary conditions, ply angle orientations, side-to-thickness ratio (a/h), loading circumstances, and layer count. The non-dimensional deflections and bending moments (BM) of the plate are calculated in various positions for different fiber angle orientations, layer counts, loading conditions, etc. Current findings are compared to previously reported findings, and some novel discoveries on cutout plates are provided that will aid future research.
Bending Analysis of Composite Plate with Cutout Carrying Uniformly Distributed Load
https://orcid.org/http://orcid.org/0000-0002-9119-401X
The existence of a cutout in a structure may cause a loss of strength due to changes in load lines surrounding it. The estimation of deflection and bending moment due to such cutouts is critical in applications like ship decks and aviation constructions, where composites are commonly employed to avoid significant failures. The cutout plates can be considered as a floor with a cutout for a lift or staircase. Also, central cutout plates are commonly used in dam gates where the cutout is the passage for water flow. So, once the deflection is known stress-induced in the plate due to the external load can be calculated and the plate can be designed considering appropriate failure theories. The fiber arrangement, number of layers, and cutout size all affect the performance of laminated composite plates. In this research, the finite element approach is employed to assess the bending of composite plates under various loading circumstances. In the finite element algorithm, a nine-node isoparametric plate bending element with five degrees of freedom is paired with the first-order shear deformation theory (FSDT). The plate is examined with various cutout sizes, boundary conditions, ply angle orientations, side-to-thickness ratio (a/h), loading circumstances, and layer count. The non-dimensional deflections and bending moments (BM) of the plate are calculated in various positions for different fiber angle orientations, layer counts, loading conditions, etc. Current findings are compared to previously reported findings, and some novel discoveries on cutout plates are provided that will aid future research.
Bending Analysis of Composite Plate with Cutout Carrying Uniformly Distributed Load
https://orcid.org/http://orcid.org/0000-0002-9119-401X
The existence of a cutout in a structure may cause a loss of strength due to changes in load lines surrounding it. The estimation of deflection and bending moment due to such cutouts is critical in applications like ship decks and aviation constructions, where composites are commonly employed to avoid significant failures. The cutout plates can be considered as a floor with a cutout for a lift or staircase. Also, central cutout plates are commonly used in dam gates where the cutout is the passage for water flow. So, once the deflection is known stress-induced in the plate due to the external load can be calculated and the plate can be designed considering appropriate failure theories. The fiber arrangement, number of layers, and cutout size all affect the performance of laminated composite plates. In this research, the finite element approach is employed to assess the bending of composite plates under various loading circumstances. In the finite element algorithm, a nine-node isoparametric plate bending element with five degrees of freedom is paired with the first-order shear deformation theory (FSDT). The plate is examined with various cutout sizes, boundary conditions, ply angle orientations, side-to-thickness ratio (a/h), loading circumstances, and layer count. The non-dimensional deflections and bending moments (BM) of the plate are calculated in various positions for different fiber angle orientations, layer counts, loading conditions, etc. Current findings are compared to previously reported findings, and some novel discoveries on cutout plates are provided that will aid future research.
Bending Analysis of Composite Plate with Cutout Carrying Uniformly Distributed Load
J. Inst. Eng. India Ser. C
Bose, Chandra (author) / Pal, Subham (author) / Haldar, Salil (author)
2023-02-01
13 pages
Article (Journal)
Electronic Resource
English
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