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H.I. Sakellariadou, C.D. Bisbos, K. Thomopoulos, P.D. Panagiotopoulos, "A 3-D Numerical Study of the T-Stub Problem Taking into Account the Interfacial Unilateral Contact Effects", in B.H.V. Topping, (Editor), "Advances in Computational Methods for Simulation", Civil-Comp Press, Edinburgh, UK, pp 115-124, 1996. doi:10.4203/ccp.42.2.4

Abstract

The present paper aims to contribute to the research that concerns the clarification of the complex 3-D stress state, which develops in a T-stub under axial loading. The stub is the simplest physical model problem for structural steel connections containing nonnegligible unilateral contact phenomena.

A numerical technique, based on previous work, is presented to numerically simulate the behaviour of the model using a Total Lagrangian FEM formulation coupled with constrained optimization techniques.

Various numerical results are depicted, concerning: i) the contact force distribution at the profile flange and at the bolt, ii) the von Mises stress, showing clearly the 3-D character of the stress state and iii) the equivalent plastic strain, indicating the plastification mechanisms under the influence of the unilateral contact conditions.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 42 ADVANCES IN COMPUTATIONAL METHODS FOR SIMULATION Edited by: B.H.V. Topping Paper II.4 A 3-D Numerical Study of the T-Stub Problem Taking into Account the Interfacial Unilateral Contact Effects H.I. Sakellariadou, C.D. Bisbos, K. Thomopoulos and P.D. Panagiotopoulos Institute of Steel Structures, Aristotle University, Thessaloniki, Greece doi:10.4203/ccp.42.2.4 purchase the full-text of this paper Full Bibliographic Reference for this paper H.I. Sakellariadou, C.D. Bisbos, K. Thomopoulos, P.D. Panagiotopoulos, "A 3-D Numerical Study of the T-Stub Problem Taking into Account the Interfacial Unilateral Contact Effects", in B.H.V. Topping, (Editor), "Advances in Computational Methods for Simulation", Civil-Comp Press, Edinburgh, UK, pp 115-124, 1996. doi:10.4203/ccp.42.2.4 Abstract The present paper aims to contribute to the research that concerns the clarification of the complex 3-D stress state, which develops in a T-stub under axial loading. The stub is the simplest physical model problem for structural steel connections containing nonnegligible unilateral contact phenomena. A numerical technique, based on previous work, is presented to numerically simulate the behaviour of the model using a Total Lagrangian FEM formulation coupled with constrained optimization techniques. Various numerical results are depicted, concerning: i) the contact force distribution at the profile flange and at the bolt, ii) the von Mises stress, showing clearly the 3-D character of the stress state and iii) the equivalent plastic strain, indicating the plastification mechanisms under the influence of the unilateral contact conditions. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £66 +P&P)
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