Start to learn DualSphysics

edited March 2015 in Old versions
I knew Dualsphysics a few weeks ago and downloaded the guides and read them. Unfortunately I could not find how I can start modeling with that?
Are there any Tutorial to show that, step by step, modeling and solving a simple problem by DualSphysics?


  • Maybe you should start to build some simple models (for example a cube or a plate and a single spherical waterdrop) by using the DualSPHysics Preprocessing Interface. This helped me a lot in the beginning ! If you do not want to simulate the whole problem you can just use the Gencase tool to transform your geometry into a particle system and analyze what happened to your model in ParaView or something similar.
    Reading the user guide and working with the testcases is a good way to understand DualSPHysics in my opinion.
  • Thank you
    I could load the examples in the per-processing interface.
    What should I do after this stage?
    It shows the geometry, boundaries and parameters. It means I have a case and now I want to solve it. How can i define the particles?
    How to compile it?
    How can I sea the results? I have para view but i do not know how to see the results?
  • You should study the batch or shell execution files of the examples with an editor.
    In addition to that study the userguide. Everything is explained there !
  • Hi,
    I've recently start using DualSPHyics and I'm trying to set up a simple example to understand better how the software works. I have two different fluids (i.e.. water and oil) flowing in a pipeline. My question is: how can I define different densities/viscosities for each individual geometry?
    Thank you.
  • This version is only ONE Phase. So sorry
  • Hi Alex,
    Many thanks for the prompt reply.
    Do you know if SPHysics would be adequate in dealing with more than one phase?
    Also, is FreeCAD a good CAD tool for Linux OS? The DualSPHysics pre-processing interface is not suitable for more complex geometries (i.e. tubelines involving angles)
  • Hi Ida,

    please check the new version v3.2 if you need to do two different phases, such as a Newtonian / Non Newtonian water/oil for example

  • Thanks George!
  • When I started I made great advance by making little modifications to the case definition files of the examples.
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