INTER LAMINAR STRESSES IN SYMMETRIC CROSS-PLY COMPOSITE LAMINATES USING LAYERWISE THEORY

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REZVANI MORTEZA; GHASEMI GHALEBAHMAN AHMAD

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Journal: Modares Mechanical Engineering Year:2015 | Volume:14 | Issue:1 Page(s): 59-66

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Information Journal Paper

Title

INTER LAMINAR STRESSES IN SYMMETRIC CROSS-PLY COMPOSITE LAMINATES USING LAYERWISE THEORY

Author(s)

REZVANI MORTEZA | GHASEMI GHALEBAHMAN AHMAD | Issue Writer Certificate

Keywords

INTERLAMINAR STRESSESQ2

LAYERWISE THEORYQ2

SYMMETRIC CROSS-PLY LAMINATEQ2

FINITE ELEMENT METHODQ2

FREE-EDGES EFFECTSQ2

Abstract

In this study, an analytical solution is presented to calculate inter laminar stresses in long symmetric cross-ply composite laminates subjected to uniform axial strain and thermal loading. At first, the most general form of layer wise-based displacement field is extracted by a successive integration of elastic strain–displacement relations and imposing the physical restrictions based on deformation patterns of these laminates. The equilibrium equations are then derived by using the principle of minimum total potential energy and solved analytically in order to obtain three-dimensional stress field in the laminated plate. Finally, various numerical examples are investigated in order to validate the efficiency and accuracy of the layer wise theory in predicting the INTERLAMINAR STRESSES. For the assessment of the accuracy of the proposed method, the INTERLAMINAR STRESSES are also calculated within the framework of a 3D finite element analysis using the Abaqus software. The corresponding numerical results are in good agreement with those obtained through the layer wise theory. All results indicate that the presented approaches have a good prediction capability of INTERLAMINAR STRESSES in interior regions of the laminate and theirs high stress concentration near its free edges that can cause delamination failure.

Cites

INTERLAMINAR AND BOUNDARY LAYER STRESS ANALYSIS IN THIN CROSS-PLY COMPOSITE CYLINDERS SUBJECTED TO THERMAL LOADING FOR VARIOUS BOUNDARY CONDITIONS

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APA: Copy

REZVANI, MORTEZA, & GHASEMI GHALEBAHMAN, AHMAD. (2015). INTER LAMINAR STRESSES IN SYMMETRIC CROSS-PLY COMPOSITE LAMINATES USING LAYERWISE THEORY. MODARES MECHANICAL ENGINEERING, 14(1), 59-66. SID. https://sid.ir/paper/179825/en

Vancouver: Copy

REZVANI MORTEZA, GHASEMI GHALEBAHMAN AHMAD. INTER LAMINAR STRESSES IN SYMMETRIC CROSS-PLY COMPOSITE LAMINATES USING LAYERWISE THEORY. MODARES MECHANICAL ENGINEERING[Internet]. 2015;14(1):59-66. Available from: https://sid.ir/paper/179825/en

IEEE: Copy

MORTEZA REZVANI, and AHMAD GHASEMI GHALEBAHMAN, “INTER LAMINAR STRESSES IN SYMMETRIC CROSS-PLY COMPOSITE LAMINATES USING LAYERWISE THEORY,” MODARES MECHANICAL ENGINEERING, vol. 14, no. 1, pp. 59–66, 2015, [Online]. Available: https://sid.ir/paper/179825/en

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