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The use of Timoshenko's exact solution for a cantilever beam in adaptive analysis.

Augarde, C. E. and Deeks, A. J. (2008) 'The use of Timoshenko's exact solution for a cantilever beam in adaptive analysis.', Finite elements in analysis and design., 44 (9-10). pp. 595-601.

Abstract

The exact solution for the deflection and stresses in an end-loaded cantilever is widely used to demonstrate the capabilities of adaptive procedures, in finite elements, meshless methods and other numerical techniques. In many cases, however, the boundary conditions necessary to match the exact solution are not followed. Attempts to draw conclusions as to the effectivity of adaptive procedures is therefore compromised. In fact, the exact solution is unsuitable as a test problem for adaptive procedures as the perfect refined mesh is uniform. In this paper we discuss this problem, highlighting some errors that arise if boundary conditions are not matched exactly to the exact solution, and make comparisons with a more realistic model of a cantilever. Implications for code verification are also discussed.

Item Type:Article
Additional Information:If you are interested in this please contact me. CEA
Keywords:Finite element, Adaptivity, Closed form solutions, Cantilever beam, Timoshenko.
Full text:PDF - Accepted Version (2159Kb)
Status:Peer-reviewed
Publisher Web site:http://dx.doi.org/10.1016/j.finel.2008.01.010
Record Created:19 Jun 2008
Last Modified:14 Sep 2011 09:33

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