Numerical simulations of acoustic fields on boundary-fitted grids (Articolo in rivista)

Type
Label
  • Numerical simulations of acoustic fields on boundary-fitted grids (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.matcom.2008.01.046 (literal)
Alternative label
  • Maria Mercede Cerimele; Francesca Pistella; Rosa Maria Spitaleri (2008)
    Numerical simulations of acoustic fields on boundary-fitted grids
    in Mathematics and computers in simulation (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Maria Mercede Cerimele; Francesca Pistella; Rosa Maria Spitaleri (literal)
Pagina inizio
  • 437 (literal)
Pagina fine
  • 448 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.sciencedirect.com/science/article/pii/S0378475408000608 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 79 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 3 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Google Scholar (literal)
  • Science direct - Elsevier (literal)
  • ACM DL (literal)
  • Scopus (literal)
  • DBLP (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Istituto per le applicazioni del calcolo \"Mauro Picone\", Roma (literal)
Titolo
  • Numerical simulations of acoustic fields on boundary-fitted grids (literal)
Abstract
  • In this paper we propose a numerical method for the simulation of acousticfields, in presence of an obstacle in the physical domain, by finite difference solution of a two-dimensional differential model on boundary-fittedgrids. The computational process gathers the elliptic grid generation, the linear Euler equations in curvilinear coordinates, the associated bicharacteristic equation and a fully explicit finite difference approximation. We detail the models, the algorithms and a series of both literature and new test problems. We present computed velocity and pressure fields by the help of figures. The method results to be able to reconstruct field evolutions and near obstacle perturbations caused by one or more, fixed or moving, pressure sources. (literal)
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