Energy decomposition analysis in free-surface flows: road-map for the direct computation of wave breaking dissipation (Contributo in atti di convegno)

Type
Label
  • Energy decomposition analysis in free-surface flows: road-map for the direct computation of wave breaking dissipation (Contributo in atti di convegno) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Alternative label
  • A. Colagrossi(1), B. Bouscasse (1,3), A. Souto-Iglesias(2) (2014)
    Energy decomposition analysis in free-surface flows: road-map for the direct computation of wave breaking dissipation
    in 9th international SPHERIC workshop, Paris, France, June, 03-05 2014
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • A. Colagrossi(1), B. Bouscasse (1,3), A. Souto-Iglesias(2) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1) CNR-INSEAN 2) Naval Architecture Department (ETSIN), Technical University of Madrid (UPM), Madrid, Spain 3) Aeronautics Department (ETSIA), Technical University of Madrid (UPM), Madrid, Spain (literal)
Titolo
  • Energy decomposition analysis in free-surface flows: road-map for the direct computation of wave breaking dissipation (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#isbn
  • 978-88-7617-020-1 (literal)
Abstract
  • A viscous free-surface flow energy decomposition analysis is conducted in the present paper. In the presence of a free surface, the viscous dissipation for a Newtonian liquid can be decomposed into two terms: an enstrophy component and a free-surface deformation component. Equations for such terms in the weakly compressible SPH (WCSPH) formalism are devised. They require the discretization of a volume and a surface integral, respectively. Applying energy conservation, a double-checking of the free surface term is developed and applied, confirming the quality of the surface integral SPH evaluation, even in the presence of moderately fragmented free surface. Application to a large amplitude standing wave with breaking is presented. (literal)
Prodotto di
Autore CNR

Incoming links:


Prodotto
Autore CNR di
data.CNR.it