scholarly journals A natural element updated Lagrangian approach for modelling fluid structure interactions

2007 ◽  
Vol 16 (3-4) ◽  
pp. 323-336
Author(s):  
Andrés Galavís ◽  
David González ◽  
Elias Cueto ◽  
Francisco Chinesta ◽  
Manuel Doblaré
Keyword(s):  
Lagrangian Approach ◽  
Fluid Structure Interactions ◽  
Fluid Structure ◽  
Natural Element ◽  
Updated Lagrangian Approach ◽  
Updated Lagrangian

scholarly journals A natural element updated Lagrangian approach for modelling fluid structure interactions

2007 ◽  
pp. 323-336
Author(s):  
Andrés Galavís ◽  
David González ◽  
Elias Cueto ◽  
Francisco Chinesta ◽  
Manuel Doblaré
Keyword(s):  
Stokes Equations ◽  
Theoretical Description ◽  
Navier Stokes ◽  
Fluid Structure Interactions ◽  
Navier Stokes Equations ◽  
Fluid Structure ◽  
Lagrangian Framework ◽  
Natural Element ◽  
Updated Lagrangian Approach ◽  
Updated Lagrangian

In this paper we present a novel methodology for the numerical simulation of fluid structure interactions in the presence of free surfaces. It is based on the use of the Natural Element Method (NEM) in an updated Lagrangian framework, together with the integration of the Navier-Stokes equations by employing a Galerkin-characteristics formulation. Tracking of the free-surface is made by employing shape constructors, in particular α- shapes. A theoretical description of the method is made and also some examples of the performance of the technique are included.

Fluid-Structure Interactions

2009 ◽  
Author(s):  
Michael Paidoussis ◽  
Stuart Price ◽  
Emmanuel de Langre
Keyword(s):  
Fluid Structure Interactions ◽  
Fluid Structure
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