# velocity in cylindrical coordinate

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 December 14, 2010, 04:00 velocity in cylindrical coordinate #1 Senior Member   Nima Samkhaniani Join Date: Sep 2009 Location: Tehran, Iran Posts: 1,216 Blog Entries: 1 Rep Power: 17 Sponsored Links i have an axisymetric mesh with wedge boundary condition now i like to calculate Ur and Uteta , once i saw we can convert Cartesian coordinate system into cylindrical coordinate but it seems it does not work in openFoam 1.6.x , this function is protected type cylindricalCS ccs ( "ccs", vector(0, 0, 0), // center point of ccs vector(0, 0, 1), // axis of ccs vector(1, 1, 0) // base axis for cylindrical angle ); vectorField Uint = U.internalField(); vectorField Ucyl = ccs.globalToLocal(Uint,false); //error line!!! error: virtual Foam::tmp > > Foam::cylindricalCS::globalToLocal(const Foam::vectorField&, bool) const is protected now is there any suggestion how i can access to Ur and U tetha?

December 14, 2010, 11:59
#2
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Steven van Haren
Join Date: Aug 2010
Location: The Netherlands
Posts: 149
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Quote:
 Originally Posted by nimasam i have an axisymetric mesh with wedge boundary condition now i like to calculate Ur and Uteta , once i saw we can convert Cartesian coordinate system into cylindrical coordinate but it seems it does not work in openFoam 1.6.x , this function is protected type cylindricalCS ccs ( "ccs", vector(0, 0, 0), // center point of ccs vector(0, 0, 1), // axis of ccs vector(1, 1, 0) // base axis for cylindrical angle ); vectorField Uint = U.internalField(); vectorField Ucyl = ccs.globalToLocal(Uint,false); //error line!!! error: virtual Foam::tmp > > Foam::cylindricalCS::globalToLocal(const Foam::vectorField&, bool) const is protected now is there any suggestion how i can access to Ur and U tetha?

http://www.cfd-online.com/Forums/ope...tup-error.html

Your coding is a bit different in my code, could do the trick. However I wrote it for 1.7.

 December 14, 2010, 16:09 #3 Senior Member   Nima Samkhaniani Join Date: Sep 2009 Location: Tehran, Iran Posts: 1,216 Blog Entries: 1 Rep Power: 17 thank you for ur interest i will look ur code and inform u, could u visualize stream line for a wedge type axisymmetric mesh? streamFunction only work for 2D case.

September 9, 2013, 17:43
cylindricalcs details
#4
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ali jafari
Join Date: Sep 2012
Posts: 50
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Quote:
 Originally Posted by stevenvanharen check out this thread: http://www.cfd-online.com/Forums/ope...tup-error.html Your coding is a bit different in my code, could do the trick. However I wrote it for 1.7.
hi
can you tell me where and how should I apply cylindricalcs ? I really need that .

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 Tags cartesian, convert, coordinate, cylindrical

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