A Hybrid Experimental-Computational Approach to Determine Constitutive Models for Hyperelastic Polymers

Atefe Karimzadeh; Majid R. Ayatollahi; Bushroa A. Razak; Seyed S. R. Koloor; Mohd Y. Yahya; Mohd N. Tamin

doi:10.20944/preprints201902.0096.v1

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preprints.org > engineering > mechanical engineering > doi: 10.20944/preprints201902.0096.v1

Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

A Hybrid Experimental-Computational Approach to Determine Constitutive Models for Hyperelastic Polymers

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Version 1 : Received: 9 February 2019 / Approved: 12 February 2019 / Online: 12 February 2019 (09:35:34 CET)

How to cite: Karimzadeh, A.; Ayatollahi, M.R.; Razak, B.A.; Koloor, S.S.R.; Yahya, M.Y.; Tamin, M.N. A Hybrid Experimental-Computational Approach to Determine Constitutive Models for Hyperelastic Polymers. Preprints 2019, 2019020096. https://doi.org/10.20944/preprints201902.0096.v1 Karimzadeh, A.; Ayatollahi, M.R.; Razak, B.A.; Koloor, S.S.R.; Yahya, M.Y.; Tamin, M.N. A Hybrid Experimental-Computational Approach to Determine Constitutive Models for Hyperelastic Polymers. Preprints 2019, 2019020096. https://doi.org/10.20944/preprints201902.0096.v1

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MDPI and ACS Style

Karimzadeh, A.; Ayatollahi, M.R.; Razak, B.A.; Koloor, S.S.R.; Yahya, M.Y.; Tamin, M.N. A Hybrid Experimental-Computational Approach to Determine Constitutive Models for Hyperelastic Polymers. Preprints 2019, 2019020096. https://doi.org/10.20944/preprints201902.0096.v1

APA Style

Karimzadeh, A., Ayatollahi, M.R., Razak, B.A., Koloor, S.S.R., Yahya, M.Y., & Tamin, M.N. (2019). A Hybrid Experimental-Computational Approach to Determine Constitutive Models for Hyperelastic Polymers. Preprints. https://doi.org/10.20944/preprints201902.0096.v1

Chicago/Turabian Style

Karimzadeh, A., Mohd Y. Yahya and Mohd N. Tamin. 2019 "A Hybrid Experimental-Computational Approach to Determine Constitutive Models for Hyperelastic Polymers" Preprints. https://doi.org/10.20944/preprints201902.0096.v1

Abstract

A study on the selection of hyperelastic constitutive model for polymeric materials is performed using a hybrid experimental-computational approach. Bis-GMA polymer is used as a case study of hyperelastic material to describe the polymer characteristics by determining its Poisson’s ratio and its valid range of the hyperelastic stress-strain curves. These two parameters are then used to determine the hyperelastic constitutive model by using the hybrid approach. Several uniaxial compression tests along with their finite element simulations are implemented in a systematic way, to identify the polymer behavior under the compressive loading conditions. Nano-indentation experiments are conducted to verify the hyperelastic behavior of the polymer. The experimental and computational evidences confirm that the Poisson’s ratio of Bis-GMA is 0.40 and the appropriate hyperelastic constitutive model for this polymer is of a second order polynomial. It is shown that, the results can be used to determine the true stress-strain curve of hyperelastic materials.

Keywords

hyperelastic constitutive model; hybrid experimental-computational approach; Bis-GMA polymer; true stress-strain curve

Subject

Engineering, Mechanical Engineering

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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