[Gmsh] Create a Boundary Layer around a blade

delasierra.rivas at gmail.com delasierra.rivas at gmail.com
Mon May 18 09:18:34 CEST 2015


Thanks Alex,
I'll try what you suggest and comment my results.

Regards,

El lunes, 18 de mayo de 2015, 8:52:06 (UTC+2), Alexander Tismer escribió:
>
>  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: alexande... at ihs.uni-stuttgart.de <javascript:>http://www.ihs.uni-stuttgart.de
>
> 
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