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Unable to use Gradient Limiter

- March 17, 2025 at 6:42 pm
  
  ae22b001
  Subscriber
  
  I am unable to use the Multidimensional gradient limiter with the density based solver (implicit).
  Are there any conditions for using it? Thanks
- March 18, 2025 at 2:20 am
  
  ae22b001
  Subscriber
  
  Please assist me with this, Thanks
- March 18, 2025 at 11:16 am
  
  Rob
  Forum Moderator
  
  Bumping after 8 hours isn't going to do anything, especially overnight.
  You're in the panel, what's the problem?
  - March 18, 2025 at 12:09 pm
    
    ae22b001
    Subscriber
    
    The option to apply a limiter filter is greyed out. This doesn't happen for the standard and differentiable limiter
- March 18, 2025 at 12:11 pm
  
  Rob
  Forum Moderator
  
  Then it's likely not available for the solver settings.
- March 18, 2025 at 12:13 pm
  
  ae22b001
  Subscriber
  
  Any idea why? Nothing is mentioned about this in the fluent user manual
- March 18, 2025 at 12:21 pm
  
  Rob
  Forum Moderator
  
  No, but there are several models that aren't enabled in the Density Based Solver.
  https://ansyshelp.ansys.com/account/Secured?returnurl=/Views/Secured/corp/v242/en/flu_ug/flu_ug_use_grad_limit.html
  https://ansyshelp.ansys.com/account/Secured?returnurl=/Views/Secured/corp/v242/en/flu_th/flu_th_sec_grad_limit.html

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