A viscoelastic cohesive zone model for starch-gluten interface to simulate dough deformation

A viscoelastic cohesive zone model was proposed to simulate rate-dependent starch-gluten interface debonding. The debonding was believed to influence stress-strain curves of tensile and shear tests at different strain rates. The model was written as a user-defined finite element subroutine codes, wh...

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Main Authors: Mohammed, Mohd Afandi P., Mokhtar, Mohd Noriznan, Wakisaka, Minato
Format: Article
Published: Elsevier 2023
Online Access:http://psasir.upm.edu.my/id/eprint/106835/
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author Mohammed, Mohd Afandi P.
Mokhtar, Mohd Noriznan
Wakisaka, Minato
author_facet Mohammed, Mohd Afandi P.
Mokhtar, Mohd Noriznan
Wakisaka, Minato
author_sort Mohammed, Mohd Afandi P.
building UPM Institutional Repository
collection Online Access
description A viscoelastic cohesive zone model was proposed to simulate rate-dependent starch-gluten interface debonding. The debonding was believed to influence stress-strain curves of tensile and shear tests at different strain rates. The model was written as a user-defined finite element subroutine codes, which was then included into an interface element geometry between starch filler and gluten matrix. The finite element modelling results showed agreement with experimental data under uniaxial tension and simple shear at different strain rates (5/min and 0.5/min). This was due to the viscoelastic effect of the interface model, which caused difference between traction initiation at different rates for the cohesive zone model (i.e. ~1.1kPa and ~0.5kPa at 5/min and 0.5/min, respectively). In addition, it was shown that critical shear stress is a very important debonding parameter, where slight changes of the shear traction values caused the model stress-strain curve to deviate from the experimental results. Simulations of starch-gluten dough deformation were then conducted at different strain rates to imitate dough processes like baking, extrusion and proving (0.003/s, 1/s and 10/s, respectively). The interface model was shown to influence stress-strain curve at lower strain rate processes like baking and extrusion.
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institution Universiti Putra Malaysia
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spelling upm-1068352024-10-03T04:22:10Z http://psasir.upm.edu.my/id/eprint/106835/ A viscoelastic cohesive zone model for starch-gluten interface to simulate dough deformation Mohammed, Mohd Afandi P. Mokhtar, Mohd Noriznan Wakisaka, Minato A viscoelastic cohesive zone model was proposed to simulate rate-dependent starch-gluten interface debonding. The debonding was believed to influence stress-strain curves of tensile and shear tests at different strain rates. The model was written as a user-defined finite element subroutine codes, which was then included into an interface element geometry between starch filler and gluten matrix. The finite element modelling results showed agreement with experimental data under uniaxial tension and simple shear at different strain rates (5/min and 0.5/min). This was due to the viscoelastic effect of the interface model, which caused difference between traction initiation at different rates for the cohesive zone model (i.e. ~1.1kPa and ~0.5kPa at 5/min and 0.5/min, respectively). In addition, it was shown that critical shear stress is a very important debonding parameter, where slight changes of the shear traction values caused the model stress-strain curve to deviate from the experimental results. Simulations of starch-gluten dough deformation were then conducted at different strain rates to imitate dough processes like baking, extrusion and proving (0.003/s, 1/s and 10/s, respectively). The interface model was shown to influence stress-strain curve at lower strain rate processes like baking and extrusion. Elsevier 2023 Article PeerReviewed Mohammed, Mohd Afandi P. and Mokhtar, Mohd Noriznan and Wakisaka, Minato (2023) A viscoelastic cohesive zone model for starch-gluten interface to simulate dough deformation. Food Structure, 35. pp. 1-10. ISSN 2213-3291 https://www.sciencedirect.com/science/article/pii/S2213329122000557 10.1016/j.foostr.2022.100306
spellingShingle Mohammed, Mohd Afandi P.
Mokhtar, Mohd Noriznan
Wakisaka, Minato
A viscoelastic cohesive zone model for starch-gluten interface to simulate dough deformation
title A viscoelastic cohesive zone model for starch-gluten interface to simulate dough deformation
title_full A viscoelastic cohesive zone model for starch-gluten interface to simulate dough deformation
title_fullStr A viscoelastic cohesive zone model for starch-gluten interface to simulate dough deformation
title_full_unstemmed A viscoelastic cohesive zone model for starch-gluten interface to simulate dough deformation
title_short A viscoelastic cohesive zone model for starch-gluten interface to simulate dough deformation
title_sort viscoelastic cohesive zone model for starch-gluten interface to simulate dough deformation
url http://psasir.upm.edu.my/id/eprint/106835/
http://psasir.upm.edu.my/id/eprint/106835/
http://psasir.upm.edu.my/id/eprint/106835/