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TECHNICAL BRIEFS

Improved Stress Simulation With Simple Finite Element Meshes

[+] Author and Article Information
J. W. Harvey

School of Civil Engineering, Oklahoma State University, Stillwater, Okla. 74078

J. Eng. Gas Turbines Power 106(1), 84-87 (Jan 01, 1984) (4 pages) doi:10.1115/1.3239555 History: Received December 23, 1982; Online October 15, 2009

Abstract

Polygonal finite elements displaying linear displacement on specified edges and quadratic displacement elsewhere are formed. Models composed of these elements identified with simple quadrilateral meshes produce marked improvement in stress simulation with the same global degrees of freedom used in conventional models. The polygonal elements are constructed of quadratic triangular subelements with appropriate sides constrained to displace linearly. Compatible mesh refinement capability is shown.

Copyright © 1984 by ASME
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