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help! : how to generate a structured orthogonal mesh of type body-fitted.. .

  • Thread starter Thread starter DajeMoo
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DajeMoo

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a greeting to all visitors of this forum, I am a new member and from a few months I can also say I am a user of programs cfd (cd-adapco starccm+ and fluent, for precision).
I am a mechanical engineering student at the Polytechnic University of brands and I am carrying out my specialist thesis. My work (and researchers who with patience follow me and help me) consists in studying the interaction of air flows with complex horographies (to evaluate the "eolic" productivity of a certain site) through a fluid-dynamic-numerical approach.
so far I have tested simple geometries using spatial discretization grids of type "structured-non-orthogonal-body-mounted obtained with the meshatore "gambit" (in linux environment)


(i.e. something like that)
see image 1 attached



I would now like to realize (always on these same geometries) of the structured-orthgonal mesh to make a comparison of the data obtained with the two different types of grid.

(something of this other kind)

see image 2 attached


the problem is that gambit is not able to manage the mesh of this last genus and therefore I would be very grateful if you could kindly indicate to me if there are other systems to obtain structured orthogonal grids of type body-fitted and, if so, what.
the researchers who are following me for the thesis have provided me with guidelines but without getting into details (I imagine rightly to stimulate me and push me to learn alone...) but honestly I find myself a little in trouble right now.
I would like to know how you would deal with the problem and by what means would you realize the structured orthogonal mesh.
I thank you in advance of the time you want to dedicate... hello to all,

Marco.
 

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Forgive my sail ignorance, but what is this pointwise? ? I have never heard it before...maybe googlando a little...thanks to the answer!!! :-)
 
I honestly don't know. you could try to see if icem (which is in the suite of fluent) or gmesh (it should be free) do something like that but I don't know them very well. an alternative could be ask in cfd-online.com forum
 
thanks sail!!!I have already tried to ask also on cfd-online but unfortunately there are no answers so far...I have to try to see this gmesh what allows to do. pointwise I would exclude it because we have no license in the department and therefore I cannot use it. . .
 
thanks sail!!!I have already tried to ask also on cfd-online but unfortunately there are no answers so far...I have to try to see this gmesh what allows to do. pointwise I would exclude it because we have no license in the department and therefore I cannot use it. . .
but is it 3d or 2d? Do you want to try and send me the maths and mesh data to see if I'm gonna fly you? if there is not too much to get out of our brains with imports/cleaning three or 4 mesh so much to make some proof and a cry depency study I do (or better, I can try) in half an hour
 
sail thank you, you are very kind...but don't worry because I have more or less solved alone with gambit!!Really, thank you again for your availability! ! !
 
better so then. by curiosity, could you post how to do in gambit? at the limit also the journal file, so if it is not too dirty I see a moment the procedure.

Thank you very much. Bye.
 
Hi.
I arrive a bit late because only now I'm approaching practical level to the world of cfd.
I read that you do the thesis with the aerodynamic group, but that's where I did the thesis a few years ago. But I did experimental rather than numerical activity.
I'm sure he's finding you very well, since he's a great group.
Bye!
 

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