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Homogenized elastic properties of graphene for moderate deformations

Abstract : This paper presents a simple procedure of obtaining a substitute, homogenized mechanical response of single layer graphene sheet. The procedure is based on the judicious combination of molecular mechanics simulation results and homogenization method. Moreover, a series of virtual experiments are performed on the representative graphene lattice. Following these results, the constitutive model development is based on the well established continuum mechanics framework, that is, the non-linear membrane theory which includes the hyperelastic model in terms of principal stretches. A proof-of-concept and performance is shown on a simple model problem where the hyperelastic strain energy density function is chosen in polynomial form.
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https://hal.insa-toulouse.fr/hal-01931192
Contributor : Eduard Marenic Connect in order to contact the contributor
Submitted on : Thursday, November 22, 2018 - 3:08:28 PM
Last modification on : Monday, July 5, 2021 - 9:48:38 AM
Long-term archiving on: : Saturday, February 23, 2019 - 3:06:51 PM

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Eduard Marenić, Adnan Ibrahimbegovic. Homogenized elastic properties of graphene for moderate deformations. Coupled systems mechanics, Techno-Press, 2015, 4 (2), pp.137 - 155. ⟨10.12989/csm.2015.4.2.137⟩. ⟨hal-01931192⟩

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