Sinossi
Shape memory polymers commonly experience both finite deformations and arbitrary thermomechanical loading conditions in engineering applications. This motivates the development of 3D constitutive models within the finite deformation regime. In the present work, based on the principles of continuum thermodynamics with internal variables, a 3D finite deformation phenomenological constitutive model is proposed. In the constitutive model derivation, a multiplicative decomposition of the deformation gradient into elastic and inelastic stored parts (in each phase) is adopted. Moreover, employing the mixture rule, the Green-Lagrange strain tensor is related to the rubbery and glassy parts. In the constitutive model, the evolution laws for internal variables are derived during both cooling and heating thermomechanical loadings. Further, we present the time-discrete form of the proposed constitutive model in the implicit form. Using the finite element method, we solve several boundary value problems i.e., shape memory effect in stents and 3D beams made of shape memory polymers and investigate the model capabilities as well as its numerical counterpart.
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L'autore
Dr. Mostafa Baghani received his Ph.D. degree in Mechanical Engineering from Sharif University of Technology, Tehran, Iran in 2012. His long-term research interest is continuum mechanics and constitutive modeling of smart materials.
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Shape memory polymers
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LAP LAMBERT Academic Publishing, 2012
ISBN 10: 3659200921
ISBN 13: 9783659200922
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Kartoniert / Broschiert. Condizione: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Baghani MostafaDr. Mostafa Baghani received his Ph.D. degree in Mechanical Engineering from Sharif University of Technology, Tehran, Iran in 2012. His long-term research interest is continuum mechanics and constitutive modeling of sm. Codice articolo 5139162
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Shape memory polymers | constitutive modeling & numerical implementation
Editore:
LAP Lambert Academic Publishing, 2012
ISBN 10: 3659200921
ISBN 13: 9783659200922
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Taschenbuch. Condizione: Neu. Shape memory polymers | constitutive modeling & numerical implementation | Mostafa Baghani (u. a.) | Taschenbuch | Englisch | LAP Lambert Academic Publishing | EAN 9783659200922 | Verantwortliche Person für die EU: preigu GmbH & Co. KG, Lengericher Landstr. 19, 49078 Osnabrück, mail[at]preigu[dot]de | Anbieter: preigu. Codice articolo 106222426
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Shape memory polymers : constitutive modeling & numerical implementation
Editore:
LAP Lambert Academic Publishing, 2012
ISBN 10: 3659200921
ISBN 13: 9783659200922
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Taschenbuch. Condizione: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Shape memory polymers commonly experience both finite deformations and arbitrary thermomechanical loading conditions in engineering applications. This motivates the development of 3D constitutive models within the finite deformation regime. In the present work, based on the principles of continuum thermodynamics with internal variables, a 3D finite deformation phenomenological constitutive model is proposed. In the constitutive model derivation, a multiplicative decomposition of the deformation gradient into elastic and inelastic stored parts (in each phase) is adopted. Moreover, employing the mixture rule, the Green-Lagrange strain tensor is related to the rubbery and glassy parts. In the constitutive model, the evolution laws for internal variables are derived during both cooling and heating thermomechanical loadings. Further, we present the time-discrete form of the proposed constitutive model in the implicit form. Using the finite element method, we solve several boundary value problems i.e., shape memory effect in stents and 3D beams made of shape memory polymers and investigate the model capabilities as well as its numerical counterpart. Codice articolo 9783659200922
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Shape Memory Polymers: Constitutive Modeling & Numerical Implementation
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Lap Lambert Academic Publishing, 2012
ISBN 10: 3659200921
ISBN 13: 9783659200922
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Paperback. Condizione: Brand New. 172 pages. 8.66x5.91x0.39 inches. In Stock. Codice articolo 3659200921
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