Evaluation of the ductility features in steel structures with softening moment-rotation behaviour based on a nonconvex optimization formulation

Engineering Computations (Swansea, Wales)

Volumn 17, Issue 2, 2000, Pages 573-592

  Karakostas, S M ^a   Mistakidis, E S ^a  

^a UNIVERSITY OF THESSALY   (Greece)

Author keywords

Energy dissipation; Optimization; Steel

Indexed keywords

ALGORITHMS; CURVE FITTING; DUCTILITY; ENERGY DISSIPATION; OPTIMIZATION; STIFFNESS;

ELASTOPLASTIC ANALYSIS; OPTIMIZATION FORMULATION; PLASTIC HINGES; STABILITY PHENOMENA;

STEEL STRUCTURES;

EID: 0346483170     PISSN: 02644401     EISSN: None     Source Type: Journal    
DOI: 10.1108/02644400010339789     Document Type: Article

References (19)

1. Akiyama, H. (1985), Earthquake Resistant Limit State Design for Buildings, University of Tokyo Press, Tokyo.
2. Clarke, F.H. (1983), Optimization and Nonsmooth Analysis, J. Wiley, New York, NY.
3. Commission of the European Communities (1992), Eurocode 3 - Part 1.1: Design of Steel Structures, European Committee for Standardisation.
4. Commission of the European Communities (1994), Eurocode 8 - Part 1.1: Design Provisions for Earthquake Resistance of Structures, European Committee of Standardisation.
5. Dem'yanov, V.F., Stavroulakis, G.E., Polyakova, L.N. and Panagiotopoulos, P.D. (1996), Quasidifferentiability and Nonsmooth Modelling in Mechanics, Engineering and Economics, Kluwer Academic, Dordrecht.
6. Fletcher, R. (1990), Practical Methods of Optimization, J. Wiley, Colchester.
7. Kato, B. and Akiyama, H. (1981), "Ductility of members and frames subject to buckling", ASCE Convention.
8. Kecman, D. (1983), "Bending collapse of rectangular and square tubes", Int. J. of Mechanical Sciences, Vol. 13 Nos 9-10, pp. 623-36.
9. Kuhlmann, U. (1989), "Definition of flange slenderness limits on the basis of rotation capacity values", J. Construct. Steel Res., Vol. 14, pp. 21-40.
10. Mazzolani, F. and Piluso, V. (1996), Theory and Design of Seismic Resistant Steel Frames, E&FN Spon, London.
11. Mistakidis, E.S. and Stavroulakis, G.E. (1997), Nonconvex Optimization in Mechanics. Algorithms, Heuristics and Engineering Application by the FEM, Kluwer, Boston, MA.
12. Mitani, I. and Mahino, M. (1980), "Post-local buckling behaviour and plastic rotation capacity of steel beam-columns", 7th World Conference on Earthquake Engineering, Instanbul.
13. Panagiotopoulos, P.D. (1983), "Nonconvex energy functions. Hemivariational inequalities and substationary principles", Acta Mechanica, Vol. 41, pp. 160-83.
14. Panagiotopoulos, P.D. (1985), Inequality Problems in Mechanics and Applications. Convex and Nonconvex Energy Functions, Birkhäuser, Basel-Boston-Stuttgart, MIR, Moscow (Russian translation), 1988.
15. Panagiotopoulos, P.D. (1988), "Nonconvex superpotentials and hemivariational inequalities. Quasidifferentiability in mechanics", in Moreau, J.J. and Panagiotopoulos, P.D. (Eds), Nonsmooth Mechanics and Applications, Vol. 302 of CISM Lect, Springer, Wien, New York, NY, pp. 83-176.
16. Panagiotopoulos, P.D. (1991), "Coercive and semicoercive hemivariational inequalities", Nonlin. Anal. Theo. Meth. Appl., Vol. 16, pp. 209-31.
17. Panagiotopoulos, P.D. (1993), Hemivariational Inequalities. Applications in Mechanics and Engineering, Springer, Berlin, Heidelberg, New York, NY.
18. Panagiotopoulos, P.D., Baniotopoulos, C.C. and Avdelas, A.V. (1984), "Certain propositions on the activation of yield modes in elastoplasticity and their applications to deterministic and stochastic problems", Zeitschrift für Angewandte Mathematik und Mechanik (ZAMM), Vol. 64, pp. 491-501.
19. Rockafellar, R.T. (1970), Convex Analysis, Princeton University Press, Princeton, NJ.