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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 43
Edited by: B.H.V. Topping
Paper III.2

Distortion in Mechanics of Elastic-Plastic Frames

J. Atkociunas, A. Norkus and L. Rimkus

Department of Structural Mechanics, Vilnius Technical University, Vilnius, Lithuania

Full Bibliographic Reference for this paper
J. Atkociunas, A. Norkus, L. Rimkus, "Distortion in Mechanics of Elastic-Plastic Frames", in B.H.V. Topping, (Editor), "Advances in Computational Techniques for Structural Engineering", Civil-Comp Press, Edinburgh, UK, pp 37-41, 1996. doi:10.4203/ccp.43.3.2
A unified equations system for analysis of elastic- plastic frame structures under given external loads, thermal effects, supports displacements and known plastic strains is obtained by using a concept of distorsion. Distorsion, concentrated at the main (bounding) nodes of finite equilibrium elements enables the uniformly load p applied at the element to be changed by nodal forces. Relations between unified matrix equations system and extremum energy principles are shown.

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