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Memorias de investigación
Communications at congresses:
Applications and improvements of the particle finite element method to free surface flows.
Year:2014
Research Areas
  • Mathematics
Information
Abstract
In this work a new generation of the particle method known as Particle Finite Element Method (PFEM), which com- bines convective particle movement and fixed mesh resolution, is applied to free surface flows. This methodology, named PFEM-2, presents basically two novel steps: first, the possibility of using larger time steps compared to other similar numerical tools, showing that shorter computational times can be achieved while the solution accuracy is maintained. Second, different improved versions of discontinuous and continuous enriched basis functions for the pressure field have been also developed in order to recon- struct the free surface without artificial diffusion or undesired numerical effects. Combining these two improvements, a variety of free surface flows have been solved in 2D and 3D cases, where the evident advantages of the improvements are remarked. The results of the different free-surface problems solved which include: Rayleigh-Taylor instability, sloshing problems, viscous standing waves and the dam break problem are compared to well validated numerical alternatives and experimental measurements obtaining good approximations for such complex flows.
International
Si
Congress
9th international SPHERIC workshop
960
Place
Paris, Francia
Reviewers
No
ISBN/ISSN
978-88-7617-020-1
Start Date
03/06/2014
End Date
05/06/2014
From page
363
To page
370
Proceedings of the 9th SPHERIC International Workshop
Participants
  • Autor: Juan Marcelo Giménez (Universidad Nacional del Litoral)
  • Autor: Leo Miguel Gonzalez Gutierrez (UPM)
  • Autor: Pedro Galan Del Sastre (UPM)
Research Group, Departaments and Institutes related
  • Creador: Departamento: Matemática Aplicada
  • Departamento: Mecánica de Fluidos y Propulsión Aeroespacial
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