Parameter Identification Of A Non-linear Viscoelastic Model For
Engineering Polymers Using A Genetic Algorithm
Author(s)
W. Seubkinorn, A. Chaikittiratana & N. Chaiyaratana
Abstract
Parameter identification of a non-linear
viscoelastic model for engineering polymers
using a genetic algorithm
W. ~eubltinorn', A. chailtittiratard & N. chaiyaratana3
1 Department of Electrical Engineering.
2 Department of Mechanical Engineering.
3 Research and DeveIopment Center for Intelligent System,
King Mongkut 's Institute of Technology North Bangkok, Thailand.
Abstract
This paper presents an alternative approach for determning non-linear
viscoelastic parameters of a constitutive model for glassy polymers using a multiobjective
diversity control oriented genetic algorithm (MODCGA). The algorithm
is a stochastic multi-objective optirnisation technique. In this work, minimisation
objectives are defined from errors between the experimental data (creep-recovery
and constant strain rate compressive tests) and the simulation results. The
parameters obtained by the MODCGA are found to be similar to that obtained
previously using a knowledge-based iterative trial-and-error manual fitting
method
Keywords
Related Book
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