Save the particles' trajectories in a single file

Given a selection of particles, I would like to save in a single file the entire history of positions, primarily for drawing the whole trajectories in Paraview.

So far I have fed the particle id's into PartVTK and obtained as many separate files as there are binary files. To combine the time history in a single document, I had thought of writing down a simple script processing the PartVTK output files produced in text format.

Before I move on, did I miss a possibility of instructing the DualSPHysics post-processing tools to output a single file containing the trajectories from begin to end? Thanks for tips and directions.

(Clearly not a question related to DualSPHysics 4.4, rather to 5.0, my bad. Forum master please move this to the right place. Thanks.)

Comments

  • Hi!

    Sorry if I am misunderstanding your question, is it something like this you seek:


    This is an embed external element. It can be deleted using the delete key or the backspace key. To view the full element, press the preview button below.

    You could also try to play around with Paraview's "Particle Tracer" tool, in which you can then plot the whole history of a particle with a specific idp. Can take a day or two to figure out and I cannot recall exactly how I did it.

    This is assuming I understood your question correctly.

    Kind regards

  • @Asalih3d ,

    Hi there,

    I am really struggling to create streamlines using PartVTK output in ParaView.

    Will you kindly give some pointers on how to create, streamlines, or particle tracers. Every time I try to work in ParaView, the window vanishes and there is no data in the spreadsheet viewer.

  • This is an embed external element. It can be deleted using the delete key or the backspace key. To view the full element, press the preview button below.

    @Asalih3d ,

    Hi there,

    I am really struggling to create streamlines using PartVTK output in ParaView.

    Will you kindly give some pointers on how to create, streamlines, or particle tracers. Every time I try to work in ParaView, the window vanishes and there is no data in the spreadsheet viewer.

    https://forums.dual.sphysics.org/discussion/2099/particle-tracking-from-dualsphysics-output#latest

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