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Innovation Space

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SPH particles scatter when the calculation time changes.

- August 1, 2023 at 7:57 pm
  
  javat33489
  Subscriber
  
  Guys, I got a clue to the cause of the particles scattering. I decided to create a new discussion, sorry.
  Look.
  When I solve the problem in time for 0.0001 sec and turn off mass scaling then the calculation passes. Also, I don't have to add the CONTROL card
  
  If I make a task for 1 second and turn on mass scaling and define a timestep then the particles fly apart when the drill and particles come into contact
  
  In addition, I have to connect the CONTROL card with a snippet in order to increase the mass
  otherwise I get an error:
  Colleagues, tell me why this is happening?
- August 2, 2023 at 1:43 pm
  
  Ashish Khemka
  Forum Moderator
  
  Hi,
  
  I think Ram helped you with this query here: SPH particles fly apart on contact with the drill (ansys.com)
  
  Regards,
  Ashish Khemka
  - August 3, 2023 at 4:50 pm
    
    javat33489
    Subscriber
    
    Excuse me sir. This is a relatively new feature. Tell me how to include it in the LS-Dyna WB (ACT)?

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