How fine is fine enough when doing CFD terrain simulations

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Abstract

The present work addresses the problem of establishing
the necessary grid resolution to obtain
a given level of numerical accuracy using
a CFD model for prediction of flow over terrain.
It is illustrated, that a very high resolution may
be needed if the numerical difference between
consecutive refinements should be of the order
of one percent for all flow directions. For
the present terrain case, resolution in the order
of 1 billion grid points is needed.
Original languageEnglish
Publication date2012
Number of pages1
Publication statusPublished - 2012
EventEWEC 2012 - European Wind Energy Conference & Exhibition - Copenhagen, Denmark
Duration: 16 Apr 201219 Apr 2012
http://events.ewea.org/annual2012/

Conference

ConferenceEWEC 2012 - European Wind Energy Conference & Exhibition
Country/TerritoryDenmark
CityCopenhagen
Period16/04/201219/04/2012
Internet address

Keywords

  • Computational Fluid Dynamics
  • Terrain
  • Siting
  • Grid Refinement
  • EWEA 2012

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