Ansys AQWA error ” Elements must be atleast 1.000* facet radius apart”

- March 14, 2019 at 6:02 am
  
  surajgarad
  Subscriber
  
  Hi,
  
  I am doing the moonpool response analysis in Ansys AQWA. In that, I am getting errors
  
  1) Elements must be atleast 1.000* facet radius apart
  
  2) Element number __ is 1.__ times too large for frequency number __.
  
  3) Aspect ratio of element number __ is less than the minimum of 0.333.
  
  4) The ratio of areas of adjacent elements must be less than 0.333. Element __ violates this condition.
  
  I have resolved the 2,3 and 4 error by changing the mesh size in mesh parameters (Defeaturing tolerance, max. element size), but still struck with error 1. I think there is no effect of defeaturing tolerances, as I have varied it from 0.1 to 0.0001 m for different max. element size from 1 to 100m but there is no change in max. allowed frequency and the generated mesh information parameters etc.
  
  Please let me know if anyone has answer for it
  
  Thanks,
  
  Suraj
  
  surajk.garad101@gmail.com
- March 19, 2019 at 11:52 am
  
  sathya
  Subscriber
  
  Hi Make sure your elements passes basic quality check with Aspect ratio, Warpage, Element angle, Jacobian.Poor quantity of elements might be reason for this