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[Question #218848]: momentum

To: yade-users@xxxxxxxxxxxxxxxxxxx
From: Riccardo carta <question218848@xxxxxxxxxxxxxxxxxxxxx>
Date: Thu, 10 Jan 2013 15:51:00 -0000
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New question #218848 on Yade:
https://answers.launchpad.net/yade/+question/218848

Hi,
I would like to check the momentum of the particles during the simulation. 
Firstly I tried to do the calculation (mass*velocity for each particles at each timestep of interest) inside the simulation loop to save the momentum values "online" and save it through plot.addData and print it through plot.saveDataTxt: well it works but at least it duplicates the time for calculation. 
As I save all the records through a VTK recorder engine, can I access data (mass,velocityVec...) from vtu files for postprocessing (maybe Matlab)? I can visualize the particle velocity using Paraview through colors, can I have those values listed on a readable file?

Thanks in advance

Cheers

Riccardo

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