Research output: Contribution to journal › Article › peer-review
Energy Approach to the Solution of the Hydroelastic Problem of the Growth of a Diverticulum of a Fusiform Aneurysm. / Mamatyukov, M. Yu; Khe, A. K.; Parshin, D. V. et al.
In: Journal of Applied Mechanics and Technical Physics, Vol. 61, No. 5, 09.2020, p. 866-877.Research output: Contribution to journal › Article › peer-review
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TY - JOUR
T1 - Energy Approach to the Solution of the Hydroelastic Problem of the Growth of a Diverticulum of a Fusiform Aneurysm
AU - Mamatyukov, M. Yu
AU - Khe, A. K.
AU - Parshin, D. V.
AU - Chupakhin, A. P.
N1 - Funding Information: This work was supported by the Government of the Russian Federation (Grant No. 14.W03.31.0002). Publisher Copyright: © 2020, Pleiades Publishing, Ltd. Copyright: Copyright 2020 Elsevier B.V., All rights reserved.
PY - 2020/9
Y1 - 2020/9
N2 - This paper considers an energy approach to assessing the state of a cerebral aneurysm as a hydroelastic system consisting of an elastic vessel wall and incoming blood flow. Assuming that the elastic energy of a vessel with an aneurysm, combined with the bending and kinetic energies, is spent only in viscous flow dissipation in the structure, we performed a series of numerical calculations for fusiform aneurysm configuration models with and without a diverticulum of different sizes relative to the size of the aneurysm body. It is shown that pressure–velocity diagrams are in good agreement with clinical data. It is shown by numerical simulation that a small diverticulum has a significant effect on hemodynamics inside the aneurysm body, and at a large diverticulum size, the vortex induced inside the diverticulum is almost completely localized in it.
AB - This paper considers an energy approach to assessing the state of a cerebral aneurysm as a hydroelastic system consisting of an elastic vessel wall and incoming blood flow. Assuming that the elastic energy of a vessel with an aneurysm, combined with the bending and kinetic energies, is spent only in viscous flow dissipation in the structure, we performed a series of numerical calculations for fusiform aneurysm configuration models with and without a diverticulum of different sizes relative to the size of the aneurysm body. It is shown that pressure–velocity diagrams are in good agreement with clinical data. It is shown by numerical simulation that a small diverticulum has a significant effect on hemodynamics inside the aneurysm body, and at a large diverticulum size, the vortex induced inside the diverticulum is almost completely localized in it.
KW - cerebral aneurysm
KW - diverticulum
KW - hemodynamics
KW - hydroelasticity
KW - Willmore energy
KW - SHAPE
KW - INTRACRANIAL ANEURYSMS
KW - BLOOD-FLOW
UR - http://www.scopus.com/inward/record.url?scp=85097090478&partnerID=8YFLogxK
U2 - 10.1134/S0021894420050223
DO - 10.1134/S0021894420050223
M3 - Article
AN - SCOPUS:85097090478
VL - 61
SP - 866
EP - 877
JO - Journal of Applied Mechanics and Technical Physics
JF - Journal of Applied Mechanics and Technical Physics
SN - 0021-8944
IS - 5
ER -
ID: 26201585