Vorticity Contour

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 March 12, 2013, 06:57 Vorticity Contour #1 Member   VS Join Date: Nov 2012 Posts: 78 Rep Power: 5 Hey Foamers, i've used the vorticity utility to calculate the vorticuty of my flow but i don't know how to plot it in Paraview. Is there any way except the stream tracer->coloured by : vorticity? Thanks

 May 29, 2013, 11:07 hello #2 New Member   WangJunlei Join Date: Apr 2013 Posts: 2 Rep Power: 0 you can directly choose the viarible Vorticity in the board in Paraview.It's besides the P.U. pipi

 May 29, 2013, 14:56 #3 Member   VS Join Date: Nov 2012 Posts: 78 Rep Power: 5 Thanks! After weeks i found out that you must first select it from the fields menu below "mesh parts". thanks anyway! louisgag likes this.

 May 30, 2013, 03:24 About the displacement #4 New Member   WangJunlei Join Date: Apr 2013 Posts: 2 Rep Power: 0 vSass: Do you know how to extract or compute the displacement of a plate moving in a flow field? I am trying a FSI problem,but I can't get it. p1p1

 May 30, 2013, 03:47 #5 Member   VS Join Date: Nov 2012 Posts: 78 Rep Power: 5 I have a little experience with FSI problems using OpenFoam. Which solver are you using?

 June 2, 2013, 02:10 #6 Senior Member     Ehsan Join Date: Oct 2012 Location: Iran Posts: 2,205 Rep Power: 18 hi whats a FSI problem?what does it stands for? __________________ Injustice Anywhere is a Threat for Justice Everywhere.Martin Luther King. To Be or Not To Be,Thats the Question! The Only Stupid Question Is the One that Goes Unasked.

 June 2, 2013, 07:16 #7 Member   VS Join Date: Nov 2012 Posts: 78 Rep Power: 5 It stands for flow-structure-interaction, and it's about calculating stresses and displacements of the structure due to the presence of the flow.

 July 1, 2013, 12:41 #8 Senior Member     Ehsan Join Date: Oct 2012 Location: Iran Posts: 2,205 Rep Power: 18 Hi Vasileios how do you define vorticity in 0 folder? my case gives an error on it. Code: ```Time = 0.00027 Reading U Calculating vorticity vorticity max/min : 6832530.652 0.1754425241 End Time = 0.000271 Reading U Calculating vorticity vorticity max/min : 6886705.616 0.1203675751 End Time = 0.000272 Reading U Calculating vorticity vorticity max/min : 6860999.599 0.1231681867 End Time = 0.000273 Reading U Calculating vorticity vorticity max/min : 6779457.723 0.1109132494 End Time = 0.000274 Reading U Calculating vorticity vorticity max/min : 6905465.041 0.03421409343 End Time = 0.000275 Reading U Calculating vorticity vorticity max/min : 7015169.336 0.2944563456 End Time = 0.000276 Reading U Calculating vorticity vorticity max/min : 7120398.407 0.1211598064 End ehsan@Ehsan-com:~/Desktop/WR\$ paraFoam created temporary 'WR.OpenFOAM' --> FOAM FATAL IO ERROR: "ill defined primitiveEntry starting at keyword 'T0_4=973;' on line 16 and ending at line 65" file: /home/ehsan/Desktop/WR/0/include/variables_R at line 65. From function primitiveEntry::readEntry(const dictionary&, Istream&) in file lnInclude/IOerror.C at line 132. FOAM exiting``` __________________ Injustice Anywhere is a Threat for Justice Everywhere.Martin Luther King. To Be or Not To Be,Thats the Question! The Only Stupid Question Is the One that Goes Unasked.

 July 2, 2013, 08:07 #9 Member   VS Join Date: Nov 2012 Posts: 78 Rep Power: 5 Well, you don't need to define it yourself. What is your doubt about?

 July 2, 2013, 09:42 #10 Senior Member     Ehsan Join Date: Oct 2012 Location: Iran Posts: 2,205 Rep Power: 18 that's OK now.how can improve the quality of contoour shapes?they have too contrast from blue to red.do you change the range in paraview?till what value? __________________ Injustice Anywhere is a Threat for Justice Everywhere.Martin Luther King. To Be or Not To Be,Thats the Question! The Only Stupid Question Is the One that Goes Unasked.

 July 2, 2013, 10:10 #11 Member   VS Join Date: Nov 2012 Posts: 78 Rep Power: 5 Maybe the number of colours that you choose for your presentation can fix the problem. I use 17 colours. You can adjust them by clicking on the "Edit Colour Map" button. immortality likes this.

 July 2, 2013, 11:02 #12 Senior Member     Ehsan Join Date: Oct 2012 Location: Iran Posts: 2,205 Rep Power: 18 that's very better now.I confined its range scal to [-20000,200000] and 17 colors as you said. __________________ Injustice Anywhere is a Threat for Justice Everywhere.Martin Luther King. To Be or Not To Be,Thats the Question! The Only Stupid Question Is the One that Goes Unasked.

 Tags paraview, post procesing, utilities, vorticity

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