Journal
INTERNATIONAL JOURNAL OF MECHANICS AND MATERIALS IN DESIGN
Volume 17, Issue 1, Pages 89-98Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s10999-020-09511-z
Keywords
Three-dimensional solution; P-version finite element; Buckling; Variable stiffness composite laminated (VSCL) plates; Variable angle tow (VAT)
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This paper presents three-dimensional solutions for the buckling of variable angle tow composite laminated plates using the 3Dp-FEM method. The accuracy of the method is confirmed by comparing the numerical results with those in the literature, indicating that these 3D results may serve as a benchmark for future studies.
This paper presents three-dimensional solutions for the buckling of variable angle tow (VAT) composite laminated plates. Thep-version finite element with hierarchical basis functions is adopted to determine the buckling of VAT composite laminates with different parameters. Inter-element compatibility is achieved by matching the generalized displacements at the vertices, edges, and faces shared by neighboring elements. The buckling loads of symmetrical and anti-symmetrical laminates with various boundary conditions are obtained. A convergence study is performed and the accuracy of the method is confirmed by comparing the numerical results with those in the literatures. The verified results indicate that the present 3Dp-FEM method is accurate for the buckling analysis of VAT composite laminated plates, and that these three-dimensional results may serve as a benchmark for future studies.
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