Numerical simulations of haemodynamic factors and hyperelastic Circumferential Strain/Stress in the ideal and healthy-patient-specific carotid bifurcations for different rheological models

Mostafa Toloui; Ali Nikparto; Bahar Firoozabadi; Mohammad S. Saidi

doi:10.1504/IJBET.2011.041776

Numerical simulations of haemodynamic factors and hyperelastic Circumferential Strain/Stress in the ideal and healthy-patient-specific carotid bifurcations for different rheological models

Mostafa Toloui, Ali Nikparto, Bahar Firoozabadi, Mohammad S. Saidi

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

To explore the role of hemodynamic in the initiation and progression of stenosis in carotid artery bifurcation, a Computational Fluid Dynamics (CFD) technique is applied. The effect of four rheology models is investigated as well as various mechanical phenomena. In this study, a Finite Element Method (FEM) was applied to simulate the physiologic Circumferential Strain/Stress (CS) Meanwhile, to investigate the role of vessel wall flexibility, a Fluid-Structure Interaction (FSI) analysis was applied. It was concluded that velocity profiles and WSS show sensitivity to arterial wall stiffening while shear thinning models do not have a dominant effect on the flow field.

Original language	English (US)
Pages (from-to)	387-412
Number of pages	26
Journal	International Journal of Biomedical Engineering and Technology
Volume	6
Issue number	4
DOIs	https://doi.org/10.1504/IJBET.2011.041776
State	Published - Aug 2011
Externally published	Yes

Bibliographical note

Funding Information:
Thanks to Dr G. P. Lewis for his valuable help with the edition of the manuscript, useful comments, encouragement and corrections, to Steve Bachman for producing the maps and helping with conservation assessments matters, Dr G. Davidse for checking critical Nicaragua collections in the Herbarium MO. Dr. Mario Sousa for his critical and valuable comments that improved the manuscript.

Keywords

CFD
CS
Carotid artery bifurcation
Circumferential strain/stress
Computational fluid dynamics
FSI
Fluid-structure interaction
Newtonian
Non-Newtonian
WSS
Wall shear stress

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10.1504/IJBET.2011.041776

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Toloui, M., Nikparto, A., Firoozabadi, B., & Saidi, M. S. (2011). Numerical simulations of haemodynamic factors and hyperelastic Circumferential Strain/Stress in the ideal and healthy-patient-specific carotid bifurcations for different rheological models. International Journal of Biomedical Engineering and Technology, 6(4), 387-412. https://doi.org/10.1504/IJBET.2011.041776

Numerical simulations of haemodynamic factors and hyperelastic Circumferential Strain/Stress in the ideal and healthy-patient-specific carotid bifurcations for different rheological models. / Toloui, Mostafa; Nikparto, Ali; Firoozabadi, Bahar et al.
In: International Journal of Biomedical Engineering and Technology, Vol. 6, No. 4, 08.2011, p. 387-412.

Research output: Contribution to journal › Article › peer-review

Toloui, M, Nikparto, A, Firoozabadi, B & Saidi, MS 2011, 'Numerical simulations of haemodynamic factors and hyperelastic Circumferential Strain/Stress in the ideal and healthy-patient-specific carotid bifurcations for different rheological models', International Journal of Biomedical Engineering and Technology, vol. 6, no. 4, pp. 387-412. https://doi.org/10.1504/IJBET.2011.041776

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abstract = "To explore the role of hemodynamic in the initiation and progression of stenosis in carotid artery bifurcation, a Computational Fluid Dynamics (CFD) technique is applied. The effect of four rheology models is investigated as well as various mechanical phenomena. In this study, a Finite Element Method (FEM) was applied to simulate the physiologic Circumferential Strain/Stress (CS) Meanwhile, to investigate the role of vessel wall flexibility, a Fluid-Structure Interaction (FSI) analysis was applied. It was concluded that velocity profiles and WSS show sensitivity to arterial wall stiffening while shear thinning models do not have a dominant effect on the flow field.",

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note = "Funding Information: Thanks to Dr G. P. Lewis for his valuable help with the edition of the manuscript, useful comments, encouragement and corrections, to Steve Bachman for producing the maps and helping with conservation assessments matters, Dr G. Davidse for checking critical Nicaragua collections in the Herbarium MO. Dr. Mario Sousa for his critical and valuable comments that improved the manuscript.",

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AU - Saidi, Mohammad S.

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AB - To explore the role of hemodynamic in the initiation and progression of stenosis in carotid artery bifurcation, a Computational Fluid Dynamics (CFD) technique is applied. The effect of four rheology models is investigated as well as various mechanical phenomena. In this study, a Finite Element Method (FEM) was applied to simulate the physiologic Circumferential Strain/Stress (CS) Meanwhile, to investigate the role of vessel wall flexibility, a Fluid-Structure Interaction (FSI) analysis was applied. It was concluded that velocity profiles and WSS show sensitivity to arterial wall stiffening while shear thinning models do not have a dominant effect on the flow field.

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Numerical simulations of haemodynamic factors and hyperelastic Circumferential Strain/Stress in the ideal and healthy-patient-specific carotid bifurcations for different rheological models

Abstract

Bibliographical note

Keywords

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