Save the particles' trajectories in a single file

sph_tudelft_nl · January 2021

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.)

Asalih3d · January 2021

Hi!

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

https://www.youtube.com/watch?v=3f1ejw4YO7M&ab_channel=DualSPHysics

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

Shadman_144 · September 2021

@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.

Asalih3d · September 2021

https://forums.dual.sphysics.org/discussion/comment/4561#Comment_4561

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

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Save the particles' trajectories in a single file

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