Comparison of four different fluid structure interaction models in a human coronary artery

A. Javadzadegan; A. S C Yong; M. Chang; N. Mansour; M. K. C. Ng; M. Behnia; L. Kritharides

Comparison of four different fluid structure interaction models in a human coronary artery

A. Javadzadegan, A. S C Yong, M. Chang, N. Mansour, M. K. C. Ng, M. Behnia, L. Kritharides

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding contribution › peer-review

Abstract

Beside pulsatile motion of vessel, there are two additional movements of coronary arteries. One is from the pulsatile momentum of coronary artery while dampened by the supporting soft tissues. Another movement is responsible by contracting myocardium throughout the cardiac cycle with part of epicardial artery tethered to myocardium. In this study, four different external boundary conditions of vessel wall with different degree of rigidity are adapted in fluid-structure interaction (FSI) simulation with realistic geometry re-constructed from left anterior descending (LAD) coronary artery of a coronary angiogram. The results showed that degree of rigidity of the vessel markedly affects the magnitude of wall shear stress (WSS) and the length of recirculation flow in post stenotic regions, especially in the early diastole corresponding to the time of peak flow in coronary arteries.

Original language	English
Title of host publication	Proceedings of the 18th Australasian Fluid Mechanics Conference, AFMC 2012
Editors	P.A. Brandner, B.W. Pearce
Place of Publication	Melbourne
Publisher	Australasian Fluid Mechanics Society
Pages	1-4
Number of pages	4
ISBN (Electronic)	9780646583730
Publication status	Published - Dec 2012
Externally published	Yes
Event	18th Australasian Fluid Mechanics Conference, AFMC - 2012 - Launceston, Australia Duration: 3 Dec 2012 → 7 Dec 2012

Other

Other	18th Australasian Fluid Mechanics Conference, AFMC - 2012
Country/Territory	Australia
City	Launceston
Period	3/12/12 → 7/12/12

Cite this

@inproceedings{d8eaa3bb0fda4643b3f7b4f907b355f2,

title = "Comparison of four different fluid structure interaction models in a human coronary artery",

abstract = "Beside pulsatile motion of vessel, there are two additional movements of coronary arteries. One is from the pulsatile momentum of coronary artery while dampened by the supporting soft tissues. Another movement is responsible by contracting myocardium throughout the cardiac cycle with part of epicardial artery tethered to myocardium. In this study, four different external boundary conditions of vessel wall with different degree of rigidity are adapted in fluid-structure interaction (FSI) simulation with realistic geometry re-constructed from left anterior descending (LAD) coronary artery of a coronary angiogram. The results showed that degree of rigidity of the vessel markedly affects the magnitude of wall shear stress (WSS) and the length of recirculation flow in post stenotic regions, especially in the early diastole corresponding to the time of peak flow in coronary arteries.",

author = "A. Javadzadegan and Yong, {A. S C} and M. Chang and N. Mansour and Ng, {M. K. C.} and M. Behnia and L. Kritharides",

year = "2012",

month = dec,

language = "English",

pages = "1--4",

editor = "P.A. Brandner and B.W. Pearce",

booktitle = "Proceedings of the 18th Australasian Fluid Mechanics Conference, AFMC 2012",

publisher = "Australasian Fluid Mechanics Society",

note = "18th Australasian Fluid Mechanics Conference, AFMC - 2012 ; Conference date: 03-12-2012 Through 07-12-2012",

}

Javadzadegan, A, Yong, ASC, Chang, M, Mansour, N, Ng, MKC, Behnia, M & Kritharides, L 2012, Comparison of four different fluid structure interaction models in a human coronary artery. in PA Brandner & BW Pearce (eds), Proceedings of the 18th Australasian Fluid Mechanics Conference, AFMC 2012. Australasian Fluid Mechanics Society, Melbourne, pp. 1-4, 18th Australasian Fluid Mechanics Conference, AFMC - 2012, Launceston, Tasmania, Australia, 3/12/12.

Comparison of four different fluid structure interaction models in a human coronary artery. / Javadzadegan, A.; Yong, A. S C; Chang, M. et al.
Proceedings of the 18th Australasian Fluid Mechanics Conference, AFMC 2012. ed. / P.A. Brandner; B.W. Pearce. Melbourne: Australasian Fluid Mechanics Society, 2012. p. 1-4.

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding contribution › peer-review

TY - GEN

T1 - Comparison of four different fluid structure interaction models in a human coronary artery

AU - Javadzadegan, A.

AU - Yong, A. S C

AU - Chang, M.

AU - Mansour, N.

AU - Ng, M. K. C.

AU - Behnia, M.

AU - Kritharides, L.

PY - 2012/12

Y1 - 2012/12

N2 - Beside pulsatile motion of vessel, there are two additional movements of coronary arteries. One is from the pulsatile momentum of coronary artery while dampened by the supporting soft tissues. Another movement is responsible by contracting myocardium throughout the cardiac cycle with part of epicardial artery tethered to myocardium. In this study, four different external boundary conditions of vessel wall with different degree of rigidity are adapted in fluid-structure interaction (FSI) simulation with realistic geometry re-constructed from left anterior descending (LAD) coronary artery of a coronary angiogram. The results showed that degree of rigidity of the vessel markedly affects the magnitude of wall shear stress (WSS) and the length of recirculation flow in post stenotic regions, especially in the early diastole corresponding to the time of peak flow in coronary arteries.

AB - Beside pulsatile motion of vessel, there are two additional movements of coronary arteries. One is from the pulsatile momentum of coronary artery while dampened by the supporting soft tissues. Another movement is responsible by contracting myocardium throughout the cardiac cycle with part of epicardial artery tethered to myocardium. In this study, four different external boundary conditions of vessel wall with different degree of rigidity are adapted in fluid-structure interaction (FSI) simulation with realistic geometry re-constructed from left anterior descending (LAD) coronary artery of a coronary angiogram. The results showed that degree of rigidity of the vessel markedly affects the magnitude of wall shear stress (WSS) and the length of recirculation flow in post stenotic regions, especially in the early diastole corresponding to the time of peak flow in coronary arteries.

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M3 - Conference proceeding contribution

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EP - 4

BT - Proceedings of the 18th Australasian Fluid Mechanics Conference, AFMC 2012

A2 - Brandner, P.A.

A2 - Pearce, B.W.

PB - Australasian Fluid Mechanics Society

CY - Melbourne

T2 - 18th Australasian Fluid Mechanics Conference, AFMC - 2012

Y2 - 3 December 2012 through 7 December 2012

ER -

Comparison of four different fluid structure interaction models in a human coronary artery

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