THE USE OF ANSYS TO CALCULATE THE BEHAVIOUR OF SANDWICH STRUCTURES.pdf
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In this article, we use di€erent models to compute dis-placements and stresses of a simply supported sandwichbeam subjected to a uniform pressure. 8-node quad-rilateral elements (Plane 82), multi-layered 8-nodequadrilateral shell elements (Shell 91) and multi-layered20-node cubic elements (Solid 46) are used. The in痷enceof mesh re畁ement and of the ratio of Young’s moduli ofthe layers are studied. Finally, a local Reissner method ispresented and assessed, which permits an improvement inthe accuracy of interface stresses for a high ratio ofYoung’s moduli of the layers with Plane 82 elements.1998 Elsevier Science Ltd. All rights reserved
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