Make a foundation structure on the seabed on ansys aqwa

- May 8, 2023 at 3:45 pm
  
  nurhalimputra117
  Subscriber
  
  hi, here I want to simulate the motion response of a floating wind turbine, with an underwater concrate foundation structure, like this picture.
  but I got the error "element ... is too close to the sea bed". how do i solve this without changing the depth of the sea? Thank You
- May 10, 2023 at 3:52 pm
  
  Mike Pettit
  Ansys Employee
  
  Hello,
  In the geometry editor (e.g. SpaceClaim) you need to right-click > Detach on the bottom surface of the Foundation structure (i.e. any part that is touching the seabed), so that it appears as a separate Surface Body in the geometry. Re-import the geometry into the Aqwa Workbench editor, then click on the new Surface Body you just created. In the Details panel, change the Surface Type from Program Controlled to Non-Diffracting. This should allow you to proceed with the analysis.
  Cheers, Mike

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