[Paraview] How to plot Surface StreamLines
marzio.sala at gmail.com
Fri Apr 10 15:15:30 EDT 2009
you may try to first project the velocity vector on the surface, so
that the normal components are zero, then compute the streamlines
using this velocity field. I did this with a velocity field which was
defined as a cell data, and the results are good (at least in my
> From: Richard GRENON <richard.grenon at onera.fr>
> Date: April 10, 2009 11:35:46 AM GMT+02:00
> To: Jacques Papper <jacques.papper at gmail.com>
> Cc: paraview at paraview.org
> Subject: Re: [Paraview] How to plot Surface StreamLines
> Jacques Papper wrote:
>> I would try :
>> - diminishing the step size (in cell length)
>> - Putting a very high number of steps
>> - Decreasing the termination speed
> I tried this. The best results are obtained with a step size of 0.01
> cell length on my data,and I get always short peaces of surface
> I discovered that the grid refinement was also an important parameter:
> - when the grid is coarse at the seed point location, the surface
> streamline stops after crossing only one or two cells.
> - when the grid is well refined at the seed point location, the
> surface streamline is longer and propagates over many cells, but it
> never reaches the boundary of the surface.
> So I think that the best workaround is to put many seed points all
> over the surface. If someone has a better idea...
> Best regards.
> Richard GRENON
> Departement d'Aerodynamique Appliquee - DAAP/ACI
> 8 rue des Vertugadins
> 92190 MEUDON - FRANCE
> phone : +33 1 46 73 42 17
> fax : +33 1 46 73 41 46
> mailto:Richard.Grenon at onera.fr
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