Numerical simulation of fish swimming

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Sprache: Englisch

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Beschreibung

In this book an efficient algorithm for simulation of deformable bodies interacting with incompressible flows is presented. The spatial discretization of the Navier-Stokes equations is based on compact finite differences. Using a uniform Cartesian grid we benefit from the advantage of a new fourth-order direct solver for the Poisson equation to ensure the incompressibility constraint down to machine zero over an optimal grid. For introducing a deformable body in fluid flow, the volume penalization method is used. The deformable body is interacting with the surrounding fluid due to the resulted hydrodynamic forces and the torque. An efficient law for controlling the curvature of an anguilliform fish, swimming toward a prescribed goal, is proposed which is based on the geometrically exact theory of nonlinear beams and quaternions. Furthermore to reduce the computational effort, adaptation of grid is performed by using multiresolution analysis. Finally an extension to three dimensional swimming is performed by adding the implicit volume penalization method to the Incompact3d open access code, to be able to take into account the deformable bodies¿ interaction with incompressible flows.

Über den Autor

I have graduated from Oroumieh University (Iran) with BS in Mechanical Engineering and then with MS and PhD in Fluid Mechanics from Aix-Marseille university (France). I have broad interests in hydrodynamics, two-phase flows and fluid-structure interaction. Specifically, I am interested in numerical simulations and turbulence modeling.

Erscheinungsjahr:	2016
Fachbereich:	Mechanik & Akustik
Genre:	Mathematik , Medizin , Naturwissenschaften , Physik , Technik
Rubrik:	Naturwissenschaften & Technik
Medium:	Taschenbuch
Inhalt:	208 S.
ISBN-13:	9783659837791
ISBN-10:	3659837792
Sprache:	Englisch
Ausstattung / Beilage:	Paperback
Einband:	Kartoniert / Broschiert
Autor:	Ghaffari, Seyed Amin
Hersteller:	Scholars' Press
Verantwortliche Person für die EU:	Scholars Press, Brivibas Gatve 197, ?-1039 Riga, customerservice@vdm-vsg.de
Maße:	220 x 150 x 13 mm
Von/Mit:	Seyed Amin Ghaffari
Erscheinungsdatum:	13.04.2016
Gewicht:	0,328 kg

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