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And an example FlowVision project: "Simulation of flow of water with sand"

How to model particles?

If you find yourself asking this question, then you should know that we and the FlowVision user guide are with you. On a more serious note, the topic of modelling dispersed phases has already indirectly come up in articles on multiphase flows and icing. And the non-trivial examples of coal combustion and droplet evaporation have been covered step-by-step in the tutorial.

Nevertheless, dispersed problems are diverse and hold many questions. It's time to bring clarity to particle modelling! Over the course of our dive into the topic of dispersion, we will focus on key settings, talk about the current capabilities and limitations of FlowVision, and examine projects "from the inside".


When approaching the topic of dispersion, it’s best to eat the elephant one bite at a time.

  • This article will cover particles in the context of general physics. Here we will examine the approach implemented by the FlowVision dispersion solver, define the classes of problems able to be solved, note existing constraints, and together we will simulate a dispersed flow (using example: flow of water with sand).
  • The next article will focus on modelling bubbles and droplet fragmentation.
  • The final part will be devoted to the modelling of flows through porous media.

Of course, we will not leave you without examples of real FlowVision projects. They will definitely make it easier to move away from abstract concepts and dive straight into modelling. Should you have any questions, do not hesitate to send them to the tech support team via email (support@flowvisioncfd.com).