3 publications
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Thermal Stress Analysis of Cross-ply Laminated Plates using Refined Shear Deformation TheoryBy Dr. Yuwaraj Marotrao Ghugal, S. K. Kulkarni
Abstract: A refined shear deformation theory is presented for laminated plates under thermal loading. The in-plane displacement field uses sinusoidal function in terms of thickness co-ordinate to include the shear deformation effect. Governing equations and boundary conditions of the theory are obtained using the principle of virtual work. Stresses and deflections of isotropic, orthotropic, symmetric and antisymmetric cross- ply laminated plates subjected to linear thermal loads are obtained. It is to …
Published in Journal of Experimental & Applied Mechanics · Vol. 2, Issue 1, 2011 Read article →
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Flexural Analysis of Thick Plates by Hyperbolic Shear Deformation TheoryBy Dr. Yuwaraj Marotrao Ghugal, Meghraj Pawar
Abstract: Hyperbolic shear deformation theory is used for the flexural analysis of isotropic plates with various loading cases. The theory takes account effect of transverse shear deformation. The transverse shear strains distribution through the thickness of the plate varies according to hyperbolic cosine function. The transverse shear stress can be obtained directly from the constitutive relations satisfying the shear stress free surface conditions on the top and bottom surfaces of the …
Published in Journal of Experimental & Applied Mechanics · Vol. 2, Issue 1, 2011 Read article →
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A Discrete Layer Shear Deformation Theory for Flexure of Thick Cross-ply Laminated BeamsBy Dr. Yuwaraj Marotrao Ghugal, S. B. Shinde
Abstract: A discrete layer shear deformation theory taking into account transverse shear deformation effects, is presented for flexure of two layered (90/0) cross ply laminated beams. The displacement field of the theory contains two variables. Theory does not require shear correction factor. The sinusoidal function is used in the displacement field in terms of thickness coordinate to represent shear deformation. Transverse shear stress can be obtained from the use of constitutive …
Published in Journal of Experimental & Applied Mechanics · Vol. 2, Issue 1, 2011 Read article →