Research Article
Aug 1975
Tapered Plane Stress Annular Sector Finite Element
Publication: Journal of the Engineering Mechanics Division
Volume 101, Issue 4
Abstract
The annular sector finite element has four nodes, each node with four kinematic degrees-of-freedom. The stiffness matrix and other properties of the element are derived in a very simple manner through the use of an algorithm for the integration in closed form of congruently transformed matrices. Based on the results of the numerical examples, the performance of the element is considered very satisfactory. Convergence of the finite element solution is slightly slower for plane problems in which the thickness is nonuniform. The element presented herein is particularly suitable for the analysis of plane stress problems of curved variable thickness domains formulated in polar coordinate system. Such problems are often encountered in the stress analysis of machine components such as turbine and supercharger units which contain disks of variable thickness.
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Published In
Journal of the Engineering Mechanics Division
Volume 101 • Issue 4 • August 1975
Pages: 349 - 360
Copyright
© 1975 American Society of Civil Engineers.
History
Published in print: Aug 1975
Published online: Feb 3, 2021
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Authors
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Victor A. Pulmano
Sr. Lect., School of Civ. Engrg., Univ. of New South Wales, Kensington, New South Wales, Australia
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