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Title

Proposing a visco-hyperelastic constitutive model for time-dependentbehavior of gluten in large deformations and corresponding nonlinearfinite element framework

Year: 1396
COI: MECHAERO02_154
Language: EnglishView: 447
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Authors

Shayan Fahimi - Department of Mechanical Engineering, University of Tehran, Tehran, Iran
Mostafa Baghani - Department of Mechanical Engineering, University of Tehran, Tehran, Iran
Mohammad Reza Zakerzadeh - Department of Mechanical Engineering, University of Tehran, Tehran, Iran

Abstract:

Gluten, a mixture of proteins in wheat flour dough, is composed of a network of long fibers, which makes it capable of showing large deformations upon tension or compression. In this paper, a phenomenological strain energy function, with two exponential terms, is used and calibrated to simulate hyperelastic and viscoelastic material behavior of Gluten. This new visco-hyperelastic material model can also be calibrated and applied to other soft rubber-like materials. The developed system, composed of a simultaneous optimization process and the finite element code, makes it possible to simulate the exact experiments in the finite element software for determination of material parameters. The final results show that the EXP-EXP strain energy function simulates the material behavior of gluten in tension, compressionand compression-relaxation more accurately, up to slightly large deformations. Using the proposed model in this paper, the material parameters can be determined from one dimensional, two dimensional or more complex tests and the calibrated model can be used for simulating the exact working conditions

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Paper COI Code

This Paper COI Code is MECHAERO02_154. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/637717/

How to Cite to This Paper:

If you want to refer to this Paper in your research work, you can simply use the following phrase in the resources section:
Fahimi, Shayan and Baghani, Mostafa and Zakerzadeh, Mohammad Reza,1396,Proposing a visco-hyperelastic constitutive model for time-dependentbehavior of gluten in large deformations and corresponding nonlinearfinite element framework,2nd National Conference on Mechanical and Aerospace Engineering,Tehran,https://civilica.com/doc/637717

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Type of center: دانشگاه دولتی
Paper count: 79,229
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