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Simulation of fish escape and swimming toward a predefined goal

dc.contributor.authorGhaffari, Seyed-Amin
dc.contributor.authorViazzo, Stéphane
dc.contributor.authorSchneider, Kai
dc.contributor.authorBontoux, Patrick
dc.date.accessioned2020-11-12T12:42:08Z
dc.date.available2020-11-12T12:42:08Z
dc.date.created2017
dc.date.issued2017
dc.identifier.citationGhaffari, S.-A. [et al.]. Simulation of fish escape and swimming toward a predefined goal. A: MARINE VII. "MARINE VII : proceedings of the VII International Conference on Computational Methods in Marine Engineering". CIMNE, 2017, p. 704-709. ISBN 978-84-946909-8-3.
dc.identifier.isbn978-84-946909-8-3
dc.identifier.urihttp://hdl.handle.net/2117/332033
dc.description.abstractWe present an immersed boundary method for numerical simulation of a swimming fish. The vorticity transport equation is solved on a Cartesian grid using compact finite dif- ferences. A Lagrangian structured grid defines the fish body and is moving in the surrounding incompressible flow due to the exerted hydrodynamic forces and the torque. An efficient law determining the curvature of a swimming fish is presented which is based on the geometrically exact theory of nonlinear beams and quaternions. Validation of the solver shows the efficiency and expected accuracy of the algorithm for swimming fish simulations. The structure of the wake of a swimming fish is studied, and some common features with the wake of a flapping plate are demonstrated.
dc.format.extent6 p.
dc.language.isoeng
dc.publisherCIMNE
dc.rightsOpen access
dc.subjectÀrees temàtiques de la UPC::Matemàtiques i estadística::Anàlisi numèrica::Mètodes en elements finits
dc.subject.lcshFinite element method
dc.subject.lcshMarine engineering
dc.subject.otherFluid interaction with forced deformable bodies, Compact finite difference, Volume penalization, Fish escape, Wake of a swimming fish
dc.titleSimulation of fish escape and swimming toward a predefined goal
dc.typeConference report
dc.subject.lemacEnginyeria naval
dc.rights.accessOpen Access
local.citation.contributorMARINE VII
local.citation.publicationNameMARINE VII : proceedings of the VII International Conference on Computational Methods in Marine Engineering
local.citation.startingPage704
local.citation.endingPage709


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