[Gmsh] Create a Boundary Layer around a blade

Alexander Tismer alexander.tismer at ihs.uni-stuttgart.de
Mon May 18 07:57:24 CEST 2015


Hi Javier,

my case was a little bit different. I also try to put a layer on hub and 
shroud. This did not work well in my case. I always end in troubles with 
an intersecting surface mesh.

You can also try to use the PostBL tool from the MeshKit library.

Best regards
Alex

On 05/17/2015 01:16 AM, Javier de la Sierra wrote:
> I answer to myself so this can be useful for other users.
> I finally could mesh my 3D wing. I summarize what I have corrected in 
> my geo file:
>
>   * No nodes selected in the BL field >>> "Field[1].NodesList ="
>     sentence deleted.
>   * In "Field[1].EdgesList =" i have chosen those edges which were the
>     intersection between the wing surface and the box wall.
>   * In "Field[1].FacesList" I have chosen all surfaces belonging to
>     the wing.
>   * I don't know yet the meaning of "Field[1].IntersectMetrics" but I
>     set it to 1. >> Field[1].IntersectMetrics = 1;
>
> I attach the geo and step file and a picture of my mesh.
>
> Regards,
> El sábado, 16 de mayo de 2015, 18:03:31 (UTC+2), Javier de la Sierra 
> escribió:
>
>     I attach the images:
>
>      1. 2D airfoil with OK BL (whitcomb2.geo, attached in previous
>         message)
>      2. Detail of BL in 3D wing (ala.geo, attached in previous message)
>      3. General view of 3D wing mesh, with weird mesh (ala.geo,
>         attached in previous message)
>
>     Sorry for posting 3 messages, but i had problems with images in
>     first message.
>
>     Thanks for your help.
>

-- 
Alexander Tismer

Institut für Strömungsmechanik
und Hydraulische Strömungsmaschinen
Universität Stuttgart
Pfaffenwaldring 10
70550 Stuttgart

Tel.:   +49 (0) 711 / 685 63007
Fax:    +49 (0) 711 / 685 63255
eMail: alexander.tismer at ihs.uni-stuttgart.de
http://www.ihs.uni-stuttgart.de

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