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RESEARCH PAPERS

A Finite Element Model for General Thick-Walled Shell Structures

[+] Author and Article Information
A. M. Khaskia

UIS Company, Control Data Corporation, Philadelphia, Pa. 19103

A. I. Soler

Department of Mechanical Engineering and Applied Mechanics, University of Pennsylvania, Philadelphia, Pa. 19104

J. Pressure Vessel Technol 107(2), 126-133 (May 01, 1985) (8 pages) doi:10.1115/1.3264424 History: Received May 01, 1984; Revised December 18, 1984; Online November 05, 2009

Abstract

A finite element for general thick-walled structures is presented. The general theory leading to this element is reviewed. A superparametric formulation is adapted. Legendre series expansions of all field variables through the structure thickness are key features in this formulation. “The General Higher Order Theory”—GENHOT element, as we call our element, presented here is capable of predicting the nonlinear distribution, through the thickness, of all stresses and displacements. Test problems with known closed form solution are modeled in order to assess the GENHOT performance. Also, a true thick-walled shell is modeled in order to demonstrate the power and capabilities of this element against a 3-D finite element.

Copyright © 1985 by ASME
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