Observatorio de I+D+i UPM

Memorias de investigación
Communications at congresses:
RNS streak description
Year:2009
Research Areas
  • Naval engineering
Information
Abstract
We use the Reduced Navier-Stokes (RNS) equations for the simulation of the nonlinear evolution of streaks in a flat plate boundary layer. The RNS are asymptotically derived from the Navier Stokes equations for $Re \gg 1$, and they are appropriated for flow configurations with one slow scale and two short scales. We derive the RNS with the appropriate boundary conditions for the simulation of the spatially growing streaks, comment the details of the numerical method used, and compare our 3D streak simulations with the results present in the literature. The presented RNS scheme for computing nonlinear streaks is much faster than full 3D DNS computations, and does not exhibit the numerical instabilities present in previous nonlinear PSE calculations.
International
Si
Congress
62nd APS Division of Fluid Dynamics Meeting
960
Place
Reviewers
Si
ISBN/ISSN
0003-0503
Start Date
22/11/2009
End Date
24/11/2009
From page
84
To page
84
RNS streak description
Participants
  • Autor: Juan Angel Martin Bautista (UPM)
  • Autor: Carlos Martel Escobar (UPM)
Research Group, Departaments and Institutes related
  • Creador: Grupo de Investigación: Dinámica y estabilidad no lineal en ingeniería aeroespacial
  • Departamento: Fundamentos Matemáticos de la Tecnología Aeronáutica
S2i 2020 Observatorio de investigación @ UPM con la colaboración del Consejo Social UPM
Cofinanciación del MINECO en el marco del Programa INNCIDE 2011 (OTR-2011-0236)
Cofinanciación del MINECO en el marco del Programa INNPACTO (IPT-020000-2010-22)