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Structural Engineering and Mechanics
  Volume 27, Number 4, November10 2007 , pages 457-475

Transverse stress determination of composite plates
S. S. Phoenix, M. Sharma and S. K. Satsangi

    Analysis of transverse stresses at layer interfaces in a composite laminate has always been a challenging task. Composite structures possess highly irregular material properties at layer interfaces, which cause high shear stresses. Classical Plate Theory and First Order Shear Deformation Theory (FSDT) use post computing to calculate transverse stresses. This paper presents Reissner Mixed Variational Theorem (RMVT) based finite element model to carry out layer-wise analysis of composite laminates. Selective integration scheme has been used. The formulation has been validated by solving numerical examples and comparing the results with those published in the literature.
Key Words
    laminated composites; layer-wise model; transverse stress; mixed formulation; Reissner Mixed Variational Theorem; Cz0 requirements.
S. S. Phoenix, M. Sharma and S. K. Satsangi; Department of Ocean Engineering and Naval Architecture, Indian Institute of Technology, Kharagpur-721 302, West Bengal, India

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