Evaluation of Transverse Thermal Stresses in Composite Plates Based on First-Order Shear Deformation Theory
Rolfes, R. and Noor, A.K. and Sparr, H. (1998) Evaluation of Transverse Thermal Stresses in Composite Plates Based on First-Order Shear Deformation Theory. Computer Methods in Applied Mechanics and Engineering, 167, pp. 355-368.
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A postprocessing procedure is presented for the evaluation of the transverse thermal stresses in laminated plates. The analytical formulation is based on the first-order shear deformation theory and the plate is discretized by using a single-field displacement finite element model. The procedure is based on neglecting the derivatives of the in-plane forces and the twisting moments, as well as the mixed derivatives of the bending moments, with respect to the in-plane coordinates. The calculated transverse shear stiffnesses reflect the actual stacking sequence of the composite plate. The distributions of the transverse stresses through-the-thickness are evaluated by using only the transverse shear forces and the thermal effects resulting from the finite element analysis. The procedure is implemented into a postprocessing routine which can be easily incorporated into existing commercial finite element codes. Numerical results are presented for four- and ten-layer cross-ply laminates subjected to mechanical and thermal loads.
|Title:||Evaluation of Transverse Thermal Stresses in Composite Plates Based on First-Order Shear Deformation Theory|
|Journal or Publication Title:||Computer Methods in Applied Mechanics and Engineering|
|In ISI Web of Science:||Yes|
|Page Range:||pp. 355-368|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Space|
|HGF - Program Themes:||W RP - Raumtransport|
|DLR - Research area:||Space|
|DLR - Program:||W RP - Raumtransport|
|DLR - Research theme (Project):||UNSPECIFIED|
|Institutes and Institutions:||Institute of Composite Structures and Adaptive Systems > Institut für Strukturmechanik|
|Deposited By:||elib DLR-Beauftragter|
|Deposited On:||16 Sep 2005|
|Last Modified:||14 Jan 2010 15:37|
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