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software crashing and sph

- March 9, 2023 at 7:38 am
  
  Kamyab Karimi
  Subscriber
  
  hi, when I am trying to define sph to sph coupling, LS-DYNA force exits (crashes).
  may someone help me with this problem?
  also, what type of contact should I select for cold spray (droplet and substrate are both sph)?
- March 9, 2023 at 1:51 pm
  
  Ram Gopisetti
  Ansys Employee
  
  Hi , try using the latest version of solver, R14, see the field CONT in *CONTROL_SPH
  cheers, Ram
  - March 10, 2023 at 8:42 am
    
    Kamyab Karimi
    Subscriber
    
    I have student version of ls-dyna, and its up to date.
    prepost ls-dyna force exits before evening simulation.
    when I insert define_sph-sph-coupling card and click apply, the prepost program force exits.
    without defining sph-sph coupling I get negative volume for particle error.

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