The Bouc-Wen class models are widely used to portray different types of hysteretic behavior. This paper presents an effective genetic algorithms-based method for fitting a generalized Bouc-Wen model, proposed by Song and Der Kiureghian [2006, “Generalized Bouc-Wen Model for Highly Asymmetric Hysteresis,” ASCE J. Eng. Mech., 132(6), p. 610618], to highly asymmetric experimental hysteretic loops. The performance function is based on integral relationships derived from the generalized Bouc-Wen differential equation for each of the six different phases of asymmetric hysteretic loops. The conditions, which must be satisfied by the model parameters to obtain closed and smooth hysteretic loops, are specified. The method is applied to fit the generalized Bouc-Wen model to hysteretic loops, which are obtained in laboratory experiments for a new type of mounts used for base isolation of forging hammers. By using a single degree of freedom (SDOF) system with the predicted hysteretic characteristics, a remarkably close agreement between the measured and simulated vibrations of hammer was obtained.
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e-mail: siret@imsar.bu.edu.ro
e-mail: marius.giuclea@csie.ase.ro
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August 2012
Research Papers
A Genetic Algorithms Method for Fitting the Generalized Bouc-Wen Model to Experimental Asymmetric Hysteretic Loops
Tudor Sireteanu,
e-mail: siret@imsar.bu.edu.ro
Tudor Sireteanu
Institute of Solid Mechanics, Romanian Academy
, 15 Constantin Mille, Bucharest RO-010141, Romania
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Marius Giuclea,
e-mail: marius.giuclea@csie.ase.ro
Marius Giuclea
Institute of Solid Mechanics
, Romanian Academy, 15 Constantin Mille, Bucharest RO-010141, Romania; Department of Mathematics, Bucharest Academy of Economic Studies, 6 Romana Square, Bucharest, RO-010374, Romania
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Gheorghe Ghita
Gheorghe Ghita
Institute of Solid Mechanics, Romanian Academy
, 15 Constantin Mille, Bucharest RO-010141, Romania
Search for other works by this author on:
Tudor Sireteanu
Institute of Solid Mechanics, Romanian Academy
, 15 Constantin Mille, Bucharest RO-010141, Romania
e-mail: siret@imsar.bu.edu.ro
Marius Giuclea
Institute of Solid Mechanics
, Romanian Academy, 15 Constantin Mille, Bucharest RO-010141, Romania; Department of Mathematics, Bucharest Academy of Economic Studies, 6 Romana Square, Bucharest, RO-010374, Romania
e-mail: marius.giuclea@csie.ase.ro
Gheorghe Ghita
Institute of Solid Mechanics, Romanian Academy
, 15 Constantin Mille, Bucharest RO-010141, Romania
J. Vib. Acoust. Aug 2012, 134(4): 041007 (10 pages)
Published Online: May 31, 2012
Article history
Received:
April 20, 2011
Revised:
October 13, 2011
Published:
May 29, 2012
Online:
May 31, 2012
Citation
Sireteanu, T., Giuclea, M., Mitu, A., and Ghita, G. (May 31, 2012). "A Genetic Algorithms Method for Fitting the Generalized Bouc-Wen Model to Experimental Asymmetric Hysteretic Loops." ASME. J. Vib. Acoust. August 2012; 134(4): 041007. https://doi.org/10.1115/1.4005845
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