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Ansys Learning Forum › Forums › Discuss Simulation › Fluids › Why Negative Moment – Wind Turbine – & Residuals › Reply To: Why Negative Moment – Wind Turbine – & Residuals

December 5, 2023 at 10:00 am
Rob
Forum Moderator

If the blades are still accelerating you may need to run longer. The sum of the moment for 360 needs to stabilise. 

As I don't know how you've linked force and rotation speed I can't comment. I'm also not able to debug UDFs or use non-public knowledge to assist, or review any files. I can look at pictures. This is covered somewhere in the rules & click-wrap you didn't read when signing up and is to allow Ansys staff to help on here whilst not breaking any US Export Laws. 

Moments will be covered in the manual(s). If you click on "Help" on the relevent panel you'll get taken to the page covering that panel.