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REVIEW ARTICLES

Computational Models for Sandwich Panels and Shells

[+] Author and Article Information
Ahmed K. Noor, W. Scott Burton

Center for Advanced Computational Technology, University of Virginia, NASA Langley Research Center, Hampton VA 23681

Charles W. Bert

School of Aerospace and Mechanical Engineering, University of Oklahoma, Norman OK 73019-0601

Appl. Mech. Rev 49(3), 155-199 (Mar 01, 1996) (45 pages) doi:10.1115/1.3101923 History: Online April 20, 2009

Abstract

The focus of this review is on the hierarchy of computational models for sandwich plates and shells, predictor-corrector procedures, and the sensitivity of the sandwich response to variations in the different geometric and material parameters. The literature reviewed is devoted to the following application areas: heat transfer problems; thermal and mechanical stresses (including boundary layer and edge stresses); free vibrations and damping; transient dynamic response; bifurcation buckling, local buckling, face-sheet wrinkling and core crimping; large deflection and postbuckling problems; effects of discontinuities (eg, cutouts and stiffeners), and geometric changes (eg, tapered thickness); damage and failure of sandwich structures; experimental studies; optimization and design studies. Over 800 relevant references are cited in this review, and another 559 references are included in a supplemental bibliography for completeness. Extensive numerical results are presented for thermally stressed sandwich panels with composite face sheets showing the effects of variation in their geometric and material parameters on the accuracy of the free vibration response, and the sensitivity coefficients predicted by eight different modeling approaches (based on two-dimensional theories). The standard of comparison is taken to be the analytic three-dimensional thermoelasticity solutions. Some future directions for research on the modeling of sandwich plates and shells are outlined.

Copyright © 1996 by American Society of Mechanical Engineers
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