15MW towerbase pitching moment discrepancy

Wind & Water Structural Analysis
9

Hi Dan,
Would appreciate any insight on why the attached responses are fluctuating even with steady wind and hs of 0m. I’m using ROSCO controller. Looking forward to your response.

tmp_724e2617-d619-4799-b984-3314964fc81d
tmp_724e2617-d619-4799-b984-3314964fc81d1344×790 81.6 KB

tmp_706fa926-877e-4c7e-813a-a4aa9193c19e
tmp_706fa926-877e-4c7e-813a-a4aa9193c19e1344×790 63.3 KB

tmp_a49f6967-7319-49b6-b666-e0ba29bdc7d8
tmp_a49f6967-7319-49b6-b666-e0ba29bdc7d81344×790 74.7 KB

tmp_45349789-8afb-4f3e-83e8-9cf8777e8d8a
tmp_45349789-8afb-4f3e-83e8-9cf8777e8d8a1344×790 76.1 KB

Regards
Salem