[Nek5000-users] Mesh issue

[nek5000-users at lists.mcs.anl.gov]

Sorry, I did a mistake the dimensions are 1*0.05*1.
I will try several angles of incline but for now it's 45°.

Hugo

Le 21/05/2012 13:53, nek5000-users at lists.mcs.anl.gov a écrit :
>
> Hi Hugo,
>
> Can you tell me again the plate dimension ? (Is it really 1x1x1 ?)
>
> What is the angle of incline?
>
> Paul
>
>
> On Mon, 21 May 2012, nek5000-users at lists.mcs.anl.gov wrote:
>
>> Hi Paul,
>>
>> Thanks for your quick answer.
>>
>> The boundary conditions of the box are :
>> - W on the 4 sides of the box,
>> - v for the inlet,
>> - O for the outlet,
>> - W for the 6 faces of the plate (placed at the center of the box).
>>
>> I didn't try to do the mesh by tilting the box to do the incline, but 
>> I don't really see how to make it.
>>
>> I'm using a MatLab program found on the mailing list of Nek 
>> (https://lists.mcs.anl.gov/mailman/htdig/nek5000-users/2010-June/000645.html).
>> I noticed that for each blank in the boundary condition the figure in 
>> the 4th and the 5th column were 0 (which seems to correspond to a BC 
>> like W, v or O).
>>   17650  3 *0* *0.00000* 0.00000 0.00000 0.00000
>>
>> Best regards,
>>
>> Hugo
>>
>>
>> Le 21/05/2012 12:47, nek5000-users at lists.mcs.anl.gov a ?crit :
>>>
>>> Hi Hugo,
>>>
>>> What are the boundary conditions on your box?
>>>
>>> Is there a reason not to simply tilt the box and realize
>>> the incline in this manner?
>>>
>>> Boundary conditions invariably have 3 characters in Nek.
>>> I don't know which converter you are using, but "   " as
>>> a bc would translate either to "E  " if it's an interior
>>> element boundary, or to something unknown otherwise.
>>>
>>> Best regards,
>>>
>>> Paul
>>>
>>> On Mon, 21 May 2012, nek5000-users at lists.mcs.anl.gov wrote:
>>>
>>>> Hi Nek's,
>>>>
>>>> I'm trying to mesh an inclined flat plate (dimension 1*1*1) in a 
>>>> large rectangular box ([-5,5]**3).
>>>> I'm using Gambit to mesh the flat plate and then I'm using a MatLab 
>>>> program found on this website to convert the mesh file (from Gambit 
>>>> .neu) in the correct format for Nek5000 (.dat).
>>>>
>>>> The MatLab conversion don't detect errors. But when I'm checking 
>>>> the .dat file I see some errors in the fluid boundary condition part :
>>>>
>>>> E  17650  2  17660 4.00000 0.00000 0.00000 0.00000
>>>>    17650  3  0         0.00000 0.00000 0.00000 0.00000
>>>> E  17650  4  17640 2.00000 0.00000 0.00000 0.00000
>>>>
>>>> There are some blanks in the first column of this file instead of a 
>>>> letter (E,v,O ...) .
>>>>
>>>> Did somebody already saw this error?
>>>> Is there another way to mesh an inclined flat plate?
>>>>
>>>> Best Regards,
>>>>
>>>> Hugo
>>>>
>>>>
>>> _______________________________________________
>>> Nek5000-users mailing list
>>> Nek5000-users at lists.mcs.anl.gov
>>> https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users
>>
>>
>
>
> _______________________________________________
> Nek5000-users mailing list
> Nek5000-users at lists.mcs.anl.gov
> https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mcs.anl.gov/pipermail/nek5000-users/attachments/20120521/db859cb6/attachment.html>