Fluids

Fluids

How to control no of particles in using DPM Injection?

    • mirikardn
      Subscriber
      I want to inject 1008 particles with 'x' mass in time 't'? When I use standard injection, it injects many particles in a single time step using a standard parcel injection method, although it is with lower mass, I got very confused with this.nI'm probably confused between parcel and particles, could you please elaborate on this. I have read about it in the guide but still, it is not clear.nKind regards,nDnyaneshnn
    • DrAmine
      Ansys Employee
      You can use group injection or emable beta feature and use randomize injection for surface injection and you will be asked to input number of injection streams.n
    • DrAmine
      Ansys Employee
      You might also use different parcel methods to get the required number: derive the number from mass of single particle, time step size and total flow rate of injectionn
    • mirikardn
      Subscriber

      You can use group injection or emable beta feature and use randomize injection for surface injection and you will be asked to input number of injection streams.https://forum.ansys.com/discussion/comment/104243#Comment_104243

      I was actually trying different parcel methods to get things to work. But I could not find a related theory for calculating parameters. Could lead me to some sources where I can learn about different parcel methods?nThanks and Regards,nDnyaneshn
    • DrAmine
      Ansys Employee
      I am not sure if it was available at that time. Give it a try. No theory: pure math if you just write relationship between mass of parcels injected to total mass being injected. n
    • mirikardn
      Subscriber
      Thanks, I'll see what method works well for my case.n
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