Influence of the Reinforcement Structure and Boundary Conditions on the Stability of Quadrangular Composite Panels

An analysis of the stability of quadrangular orthotropic composite panels under compression and shear is presented. The stability problem is solved by the Rayleigh–Ritz method in displacements with approximation of the deflection eigenmodes by Krylov functions. An assessment is made of the influence...

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Bibliographic Details
Published in:Journal of machinery manufacture and reliability 2023-12, Vol.52 (6), p.542-550
Main Authors: Azikov, N. S., Zinin, A. V.
Format: Article
Language:English
Subjects:
Boundary conditions
Composite structures
Engineering
Exact solutions
Machines
Manufacturing
Panels
Processes
Reliability
Ritz method
Stability analysis
Strength
Wear Resistance of Machines and Structures
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Summary:An analysis of the stability of quadrangular orthotropic composite panels under compression and shear is presented. The stability problem is solved by the Rayleigh–Ritz method in displacements with approximation of the deflection eigenmodes by Krylov functions. An assessment is made of the influence of fastening conditions and the laying pattern of layers of a composite structure on the parameters of the critical behavior of quadrangular panels. The accuracy of the numerical procedures is confirmed by comparison with the results of the exact solution of the main linearized equation of stability theory using the example of an isotropic plate.
ISSN:1052-6188
1934-9394
DOI:10.1134/S1052618823060055