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[OpenFOAM] Streaklines : Track points from line source |
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December 30, 2020, 14:25 |
Streaklines : Track points from line source
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#1 |
Member
Cpt. Convergence
Join Date: Feb 2020
Posts: 98
Rep Power: 8 |
Dear community,
I want to visualize the mixing layers at the trailing edge of an airfoil. In order to do so, I would like to create 2 source lines that will release points every X timesteps and this points are transported with the flow field. This technique is also known as streaklines. I have attached a screenhot with an example of this (generated using TecPlot). I have already generated my velocity vector field as : VELOX*iHat+VELOZ*kHat using a calculator Then by using a slice and 2 clips I have created a line for my source. I tried to use the streaklines filter but the points do not move throught the time-steps. I have already tried to set in the streakline filter with: 1) input=calculator | source=line 2) input=line | source=line Which would be the correct way to do this in ParaView? Thank you in advance! |
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January 3, 2021, 14:24 |
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#2 |
Member
Cpt. Convergence
Join Date: Feb 2020
Posts: 98
Rep Power: 8 |
I have attached 2 screenshots of what I have tried so far:
With the stream-tracer with custom source it works perfectly. I use the vector field VELOX*iHat+VELOZ*kHat from calculator1 and I can plot with streamlines for all the time steps without issues. Now I am trying to use the same input and source for the streaklines but nothing happens when I move through the time steps. In the streaklines options, I have set the termination time to 1/5th of my database length (I have 285 time steps, not physical time in paraview) and reinjection to 5 steps. Do you have any clue why paraview is not showing anything to me? Thank you in advance! |
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