Elastoplastic Torsion of Anisotropic Barsby Pravit Boonlualohr, Teaching Fellow; Dept. of Civ. Engrg. Materials, The Univ. of New South Wales, New South Wales, Australia,
Somasundaram Valliappan, (M.ASCE), Assoc. Prof.; Dept. of Civ. Engrg. Materials, The Univ. of New South Wales, New South Wales, Australia,
Serial Information: Journal of the Engineering Mechanics Division, 1976, Vol. 102, Issue 6, Pg. 995-1008
Document Type: Journal Paper
Abstract: An elastoplastic analysis for the torsion of anisotropic bars has been presented on the basis of a hybrid model using the finite element method. The element formulation is based on modified Hellinger-Reissner variational principle. The analysis is applicable to nonhomogeneous and multiply connected sections and it uses isoparametric linear quadrilateral element for the discretization of the sections. The initial stress iterative technique has been used for obtaining the elastoplastic solutions. The results of a number of numerical examples have been presented to demonstrate the accuracy and efficiency of the proposed model.
Subject Headings: Finite element method | Elastoplasticity | Torsion | Anisotropy | Bars (structure) | Hybrid methods | Linear analysis | Model accuracy
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