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ARTICLE
A fully-coupled three-dimensional fluid-structure interaction study on the externally-pressurized collapsible tube and the internal flow
1
Department of Mechanics and Engineering Science, College of Engineering, Peking University, Beijing, China
2
Beijing Internet Based Engineering Co., Ltd, Beijing, China
3
Department of Mechanics, Tianjin University, Tianjin, China
Submission date: 2022-11-07
Acceptance date: 2023-01-16
Online publication date: 2023-04-26
Publication date: 2023-04-28
Journal of Theoretical and Applied Mechanics 2023;61(2):395-406
KEYWORDS
TOPICS
ABSTRACT
We study the behavior of a collapsible tube conveying a fluid subject to external pressure that
could occur in many physiological applications. The method of rotating spines is developed
to enable an automatic mesh adaptation when the tube is deformed largely. We examine
bifurcation diagrams when the tube is collapsed under a pressure driven condition and reveal
that multiple solutions exist for a range of the Reynolds number. The stability characteristic
of the system is discovered by determining stability of these solutions by the eigenvalue
method for the first time, which is validated by solving a time-dependent problem of the
system.
REFERENCES (14)
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2.
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3.
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12.
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| eISSN: | 2543-6309 |
| ISSN: | 1429-2955 |
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