BENDING ANALYSIS OF A GENERAL CROSS-PLY LAMINATE USING 3D ELASTICITY SOLUTION AND LAYERWISE THEORY

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YAZDANI SARVESTANI H.; NAGHASHPOUR A.; HEIDARI RARANI M.

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Journal: INTERNATIONAL JOURNAL OF ADVANCED STRUCTURAL ENGINEERING Year:2015 | Volume:7 | Issue:4 Page(s): 329-340

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Title

BENDING ANALYSIS OF A GENERAL CROSS-PLY LAMINATE USING 3D ELASTICITY SOLUTION AND LAYERWISE THEORY

Author(s)

YAZDANI SARVESTANI H. | NAGHASHPOUR A. | HEIDARI RARANI M. | Issue Writer Certificate

Keywords

INTERLAMINAR STRESSES

GENERAL CROSS-PLY LAMINATE

ELASTICITY FORMULATION

FIRST-ORDER SHEAR DEFORMATION PLATE THEORY LAYERWISE THEORY

Abstract

In this study, the analytical solution of INTERLAMINAR STRESSES near the free edges of a general (symmetric and unsymmetric layups) cross-ply composite laminate subjected to pure bending loading is presented based on Reddy’s layerwise theory (LWT) for the first time. First, the reduced form of displacement field is obtained for a general cross-ply composite laminate subjected to a bending moment by elasticity theory. Then, first-order shear deformation theory of plates and LWT is utilized to determine the global and local deformation parameters appearing in the displacement fields, respectively. One of the main advantages of the developed solution based on the LWT is exact prediction of INTERLAMINAR STRESSES at the boundary layer regions. To show the accuracy of this solution, three-dimensional elasticity bending problem of a laminated composite is solved for special set of boundary conditions as well. Finally, LWT results are presented for edge-effect problems of several symmetric and unsymmetric cross-ply laminates under the bending moment. The obtained results indicate high stress gradients of INTERLAMINAR STRESSES near the edges of laminates.

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APA: Copy

YAZDANI SARVESTANI, H., NAGHASHPOUR, A., & HEIDARI RARANI, M.. (2015). BENDING ANALYSIS OF A GENERAL CROSS-PLY LAMINATE USING 3D ELASTICITY SOLUTION AND LAYERWISE THEORY. INTERNATIONAL JOURNAL OF ADVANCED STRUCTURAL ENGINEERING, 7(4), 329-340. SID. https://sid.ir/paper/319815/en

Vancouver: Copy

YAZDANI SARVESTANI H., NAGHASHPOUR A., HEIDARI RARANI M.. BENDING ANALYSIS OF A GENERAL CROSS-PLY LAMINATE USING 3D ELASTICITY SOLUTION AND LAYERWISE THEORY. INTERNATIONAL JOURNAL OF ADVANCED STRUCTURAL ENGINEERING[Internet]. 2015;7(4):329-340. Available from: https://sid.ir/paper/319815/en

IEEE: Copy

H. YAZDANI SARVESTANI, A. NAGHASHPOUR, and M. HEIDARI RARANI, “BENDING ANALYSIS OF A GENERAL CROSS-PLY LAMINATE USING 3D ELASTICITY SOLUTION AND LAYERWISE THEORY,” INTERNATIONAL JOURNAL OF ADVANCED STRUCTURAL ENGINEERING, vol. 7, no. 4, pp. 329–340, 2015, [Online]. Available: https://sid.ir/paper/319815/en

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