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dc.contributor.authorAlves, Janete
dc.contributor.authorPeixinho, Nuno
dc.contributor.authorda Silva, Miguel Tavares
dc.contributor.authorFlores, Paulo
dc.contributor.authorLankarani, Hamid M.
dc.identifier.citationAlves, Janete; Peixinho, Nuno; da Silva, Miguel Tavares; Flores, Paulo; Lankarani, Hamid M. 2015. A comparative study of the viscoelastic constitutive models for frictionless contact interfaces in solids. Mechanism and Machine Theory, vol. 85:pp 172–188en_US
dc.descriptionClick on the DOI link to access the article (may not be free).en_US
dc.description.abstractThe nature of the constitutive contact force law utilized to describe contact-impact events in solid contact interfaces plays a key role in predicting the response of multibody mechanical systems and in the simulation of engineering applications. The goal of this work is to present a comparative study on the most relevant existing viscoelastic contact force models. In the sequel of this process, their fundamental characteristics are examined and their performances evaluated. Models developed based on the Hertz contact theory and augmented with a damping term to accommodate the dissipation of energy during the impact process, which typically is a function of the coefficient of restitution between the contacting solids, are considered in this study. In particular, the identified contact force models are compared in the present study for simple solid impact problems with the sole purpose of comparing the performance of the various models and examining the corresponding system behavior. The outcomes indicate that the prediction of the dynamic behavior of contacting solids strongly depends on the selection of the contact force model. (C) 2014 Elsevier Ltd. All rights reserved.en_US
dc.description.sponsorshipPortuguese Foundation for the Science and Technology for the PhD grant (SFRH/BD/78251/2011), and for the postdoctoral scholarship (SFRH/BPD/77831/2011).en_US
dc.publisherElsevier Ltd.en_US
dc.relation.ispartofseriesMechanism and Machine Theory;v.85
dc.subjectContact-impact eventsen_US
dc.subjectViscoelastic force modelsen_US
dc.subjectDynamic responseen_US
dc.titleA comparative study of the viscoelastic constitutive models for frictionless contact interfaces in solidsen_US
dc.rights.holderCopyright © 2014 Elsevier Ltd. All rights reserved.

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