Dissertation/Thesis Abstract

Finite element solution of the warping torsion using the equivalent beam-column analogy in multi-span beams
by Falconi Lopez, Heraldo Antonio, M.S.C.E., Universidad Politecnica Puerto Rico (Puerto Rico), 2011, 329; 1497635
Abstract (Summary)

A small, powerful, versatile and straightforward software application will be introduced to analyze problems of warping torsion by means of the analogy between the straight beam-column under mixed transverse and axial loading and the straight beam under restrained warping. This software, originally developed to analyze multi-span beam-columns immersed on elastic foundations, resorts to a high order finite element. Validation against a number of already solved cases will be provided, including, but not limited to the cases in the AISC-Design Guide 9. Additionally, the present work will provide a brief account on the first order general torsion theory, a discussion on the roles analogies play in sciences and engineering, an account on the equivalent beam-column analogy as special case of the equivalent beam on elastic foundation, some details of the aforesaid high-order-finite element, and a contribution of a novel convergence study regarding the axial tensile parameter.

Indexing (document details)
Advisor: Duque, Bernardo Deschapelles
Commitee: Cruzado, Hector J., Guzman, Alberto L.
School: Universidad Politecnica Puerto Rico (Puerto Rico)
Department: Civil Engineering
School Location: United States -- Puerto Rico
Source: MAI 50/01M, Masters Abstracts International
Source Type: DISSERTATION
Subjects: Civil engineering
Keywords: Beam-column analogy, Software, Torsion, Warping
Publication Number: 1497635
ISBN: 978-1-124-81850-4
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