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Multiple solutions in free surface flows Hazel, Andrew
Description
The presence of a free-surface between air and liquid can lead to nonlinear behaviour, even in the absence of fluid inertia. Consequently, multiple distinct flow states may occur under the same driving conditions. A natural question to ask is whether simplified models of the system can capture the correct nonlinear behaviour, compared to the full field equations. For the (canonical) flow of a liquid film on the inner, or outer, surface of a rotating cylinder, we find multiple solutions and other complex behaviours can be accurately described over a wider range of parameters using a simplified model system derived via gradient dynamics rather than strict asymptotic arguments. (Joint work with Andre Von Borries Lopes and Uwe Thiele.)
Item Metadata
Title |
Multiple solutions in free surface flows
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Creator | |
Publisher |
Banff International Research Station for Mathematical Innovation and Discovery
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Date Issued |
2019-05-02T09:01
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Description |
The presence of a free-surface between air and liquid can lead to nonlinear behaviour, even in the absence of fluid inertia. Consequently, multiple distinct flow states may occur under the same driving conditions. A natural question to ask is whether simplified models of the system can capture the correct nonlinear behaviour, compared to the full field equations. For the (canonical) flow of a liquid film on the inner, or outer, surface of a rotating cylinder, we find multiple solutions and other complex behaviours can be accurately described over a wider range of parameters using a simplified model system derived via gradient dynamics rather than strict asymptotic arguments. (Joint work with Andre Von Borries Lopes and Uwe Thiele.)
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Extent |
22.0 minutes
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Subject | |
Type | |
File Format |
video/mp4
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Language |
eng
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Notes |
Author affiliation: University of Manchester
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Series | |
Date Available |
2019-10-30
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Provider |
Vancouver : University of British Columbia Library
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Rights |
Attribution-NonCommercial-NoDerivatives 4.0 International
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DOI |
10.14288/1.0384642
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URI | |
Affiliation | |
Peer Review Status |
Unreviewed
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Scholarly Level |
Faculty
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Rights URI | |
Aggregated Source Repository |
DSpace
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Item Citations and Data
Rights
Attribution-NonCommercial-NoDerivatives 4.0 International