Markus Scholle
Potential Fields in Fluid Mechanics: A Review of Two Classical Approaches and Related Recent Advances
Scholle, Markus; Marner, Florian; Gaskell, Philip
Abstract
The use of potential fields in fluid dynamics is retraced, ranging from classical potential theory to recent developments in this evergreen research field. The focus is centred on two major approaches and their advancements: (i) the Clebsch transformation and (ii) the classical complex variable method utilising Airy’s stress function, which can be generalised to a first integral methodology based on the introduction of a tensor potential and parallels drawn with Maxwell’s theory. Basic questions relating to the existence and gauge freedoms of the potential fields and the satisfaction of the boundary conditions required for closure are addressed; with respect to (i), the properties of self-adjointness and Galilean invariance are of particular interest. The application and use of both approaches is explored through the solution of four purposely selected problems; three of which are tractable analytically, the fourth requiring a numerical solution. In all cases, the results obtained are found to be in excellent agreement with corresponding solutions available in the open literature.
Citation
Scholle, M., Marner, F., & Gaskell, P. (2020). Potential Fields in Fluid Mechanics: A Review of Two Classical Approaches and Related Recent Advances. Water, 12(5), Article 1241. https://doi.org/10.3390/w12051241
Journal Article Type | Article |
---|---|
Acceptance Date | Apr 24, 2020 |
Online Publication Date | Apr 27, 2020 |
Publication Date | May 31, 2020 |
Deposit Date | Apr 27, 2020 |
Publicly Available Date | Apr 28, 2020 |
Journal | Water |
Electronic ISSN | 2073-4441 |
Publisher | MDPI |
Peer Reviewed | Peer Reviewed |
Volume | 12 |
Issue | 5 |
Article Number | 1241 |
DOI | https://doi.org/10.3390/w12051241 |
Public URL | https://durham-repository.worktribe.com/output/1272075 |
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Copyright Statement
© This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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