Mixed-type finite element formulation of higher order shear deformation theory for the linear and nonlinear analyses of a laminated composite plate |
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Authors: | Jang Keun Lim |
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Affiliation: | 1. Department of Mechanical Engineering, Hanyang University, 133-791, Seoul, Korea
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Abstract: | For the linear and nonlinear analyses of a laminated composite plate structure, the mixed type finite element program is developed
on the basis of higher order shear deformation theory of laminated plates. The accuracy of this program is checked by means
of comparing with the existing results for laminated rectangular plates and is found to agree well with them. Deformations
and interlaminar stresses of laminated plates are calculated according to the variation of layer numbers, fiber orientations,
and plate thicknesses, so that the shear and nonlinear effects on their behaviors are studied. It is found that plate deformations
are reduced by means of arranging the fiber direction into the angle-ply and increasing layer numbers. |
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Keywords: | Mixed-Type Finite Element Method Higher order Shear Deformation Theory Laminated Plate Shear Effect Nonlinear Effect Angle-ply Cross-ply |
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