Observatorio de I+D+i UPM

Memorias de investigación
Communications at congresses:
On the boundary condition enforcement in SPH methods.
Year:2012
Research Areas
  • Physics chemical and mathematical,
  • Mechanical aeronautics and naval engineering
Information
Abstract
The implementation of boundary conditions is one of the points where Smoothed Particle Hydrodynamics SPH methodology still has room to improve. In the SPH framework, different methodologies have been used to impose these boundary conditions. Namely, by using boundary forces-type models [1], [2]; by modifying the kernel structure in the boundaries neighborhood [3]; by creating virtual particles inside the solid boundary domain through mirroring techniques [4] and by adding normalized boundary integrals [5]. The latter being the main focus of the present work. In this paper a consistent implementation of classical boundary conditions in the presence of typical discretized and smoothed differential operators is analyzed. The calculation of gradients, divergences and Laplacians are important steps that must be consistently performed in explicit SPH formulations such as weakly compressible SPH (WCSPH)
International
No
Congress
In 7th ERCOFTAC SPHERIC workshop on SPH applications (2012)
960
Place
Prato, Italia
Reviewers
Si
ISBN/ISSN
88-7617-003-0
Start Date
29/05/2012
End Date
31/05/2012
From page
303
To page
310
Proceedings of 7th ERCOFTAC SPHERIC workshop on SPH applications (2012)
Participants
  • Autor: Leo Miguel Gonzalez Gutierrez (UPM)
  • Autor: Jose Luis Cercos Pita (UPM)
  • Autor: Fabricio Macia Lang (UPM)
Research Group, Departaments and Institutes related
  • Creador: Grupo de Investigación: CEHINAV (Canal de Ensayos Hidrodinámicos de la E.T.S.I. Navales)
  • Departamento: Ciencias Aplicadas a la Ingeniería Naval
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