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A General Partial Discretization Methodology for Interlaminar Stress Computation in Composite Laminates

Tarun Kant1, Sandeep S. Pendhari2, Yogesh M. Desai3

Professor, Department of Civil Engineering, Indian Insti-tute of Technology Bombay, Powai, Mumbai 400 076, India. Email: tkant@civil.iitb.ac.in
Research Scholar, Department of Civil Engineering, Indian Institute of Technology Bombay, Powai, Mumbai-400 076, India. Email: spendhari@iitb.ac.in
Professor, Department of Civil Engineering, Indian Institute of Technology Bombay, Powai, Mumbai-400 076, India. Email: desai@civil.iitb.ac.in

Computer Modeling in Engineering & Sciences 2007, 17(2), 135-162. https://doi.org/10.3970/cmes.2007.017.135

Abstract

A two-point boundary value problem (BVP) is formed in the present work governed by a set of first-order coupled ordinary differential equations (ODEs) in terms of displacements and the transverse stresses through the thickness of laminate (in domain -h/2 < z < h/2) by introducing partial discretization methodology only in the plan area of the three dimensional (3D) laminate. The primary dependent variables in the ODEs are those which occur naturally on a plane z=a constant. An effective numerical integration (NI) technique is utilized for tackling the two-point BVP in an efficient manner. Numerical studies on cross-ply and angle-ply composite plates are performed and presented, involving both validation and solution of new problems.

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Kant, T., Pendhari, S. S., Desai, Y. M. (2007). A General Partial Discretization Methodology for Interlaminar Stress Computation in Composite Laminates. CMES-Computer Modeling in Engineering & Sciences, 17(2), 135–162.



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