Numerical Method for Predicting Hemodynamic Effects in Vascular Prostheses; Numerical Analysis and Applications; Vol. 12, iss. 4

Numerical Method for Predicting Hemodynamic Effects in Vascular Prostheses; Numerical Analysis and Applications; Vol. 12, iss. 4

Chi tiết về thư mục
Parent link:	Numerical Analysis and Applications Vol. 12, iss. 4.— 2019.— [P. 326–337]
Tác giả của công ty:	Национальный исследовательский Томский политехнический университет Институт неразрушающего контроля Российско-китайская научная лаборатория радиационного контроля и досмотра
Tác giả khác:	Borisov V. G., Zakharov Yu. N. Yury Nikolaevich, Shokin Yu. I. Yuri, Ovcharenko E. A., Klyshnikov K. Yu. Kirill Yurjevich, Sizova I. N. Irina, Batranin A. V. Andrey Viktorovich, Kudryavtseva Yu. A. Yuliya, Onishchenko P. S. Pavel
Tóm tắt:	Title screen A three-dimensional unsteady periodic flow of blood in xenogenic vascular bioprostheses is simulated by computational fluid dynamics methods. The geometry of the computational domain is based on microtomographic scanning of bioprostheses. To set a variable pressure gradient causing an unsteady flow in the prostheses, personal-specific data of the Doppler echography of the blood flow of a particular patient are used. A comparative analysis of the velocity fields in the flow areas corresponding to three real samples of bioprostheses with multiple stenoses is carried out. In the zones of stenosis and outside of them, the distribution of the near-wall shear stress, which affects the risk factors for thrombosis in the prostheses, is analyzed. An algorithm for predicting the hemodynamic effects arising in vascular bioprostheses is proposed; the algorithm is based on the numerical modeling of the blood flow in these prostheses. Режим доступа: по договору с организацией-держателем ресурса
Ngôn ngữ:	Tiếng Anh
Được phát hành:	2019
Những chủ đề:	электронный ресурс труды учёных ТПУ computer modeling blood flow bioprostheses wall shear stress компьютерное моделирование кровоток биопротезы
Truy cập trực tuyến:	https://doi.org/10.1134/S1995423919040025
Định dạng:	Điện tử Chương của sách
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=663816

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