{"id":462450,"date":"2026-08-10T15:25:04","date_gmt":"2026-08-10T15:25:04","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/wind-turbine-does-not-accelerate-despite-positive-moment\/"},"modified":"2026-08-10T15:25:04","modified_gmt":"2026-08-10T15:25:04","slug":"wind-turbine-does-not-accelerate-despite-positive-moment","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/wind-turbine-does-not-accelerate-despite-positive-moment\/","title":{"rendered":"Wind turbine does not accelerate despite positive moment."},"content":{"rendered":"

I’m trying to simulate a vertical axis wind turbine using Dynamic Mesh in Fluent. However, the turbine barely moves and does not accelerate despite the moment being positive. The folowing pictures show this behaviour:<\/p>\n

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I put many hours into fixing this problem without success. I would be thankful if anyone has knowledge on this problem and is willing to share how to fix it. The following screenshots share details on my setup. If it is suspected that the problem lies somewhere else, I’m glad to share more information.<\/p>\n

Geometry:<\/p>\n

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Dynamic Mesh:<\/p>\n

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<\/p>\n

Six DOF:<\/p>\n

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Fluid:<\/p>\n

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Run Calculation:<\/p>\n

<\/p>\n","protected":false},"template":"","class_list":["post-462450","topic","type-topic","status-publish","hentry","topic-tag-fluent-cfd-ansys-1"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t