Parameters Sensitivity Analysis Of Jacket Offshore Wind Turbine

For Jacket Type Offshore Wind Turbine Structure,we build a more complete model containing the entire support structure,and we have Performed the numerical simulation of the dynamic characteristics of the built wind turbine model.We analyzed the sensitivity of eight Parameters to the structure,they are the main Pile dianeter and wall thickness of the jacket,diagonal Pile diameter and wall thickness of the jacket,horizontal Pile diameter and wall thickness of the mud surface.and Pile diameter and wall thickness of the mud File.The research shows:in a small range,changes in the radius and wall thickness of the main Pile of the jacket,and the wall thickness of the Pile,have little influence on the frequency of the structure;the third-order frequency of the model increases with the increase of jacket radius and wall thickness of the jacket,which is obviously more than other frequencies:the frequencies of the order 4,5and 6 of the structure increase with the increase of radius and wall thickness of the muddy surface struts.that are obvious than the frequencies of the order 1.2 and 3.but the overall change is not obvious:in the small range of the changes,the frequency of each order of the structure increase with the increase of the radius of the mud Pile compared with other Parameters is much higher.The results of statics study show that the maximum displacement and maximum stress of the model decrease almost linearly with the increase of the main Pile radius of the jacket.With the increase of the wall thickness of the main Pile of the jacket,the maximum displacement of the model is almost The linear stress decreases,the maximum stress of the model decreases first and then does not change;as the truss radius of the jacket increases,the maximum displacement and maximum stress of the model increase almost linearly;When the wall thickness of the bracing increases,the maximum displacement of the model decreases linearly,and the maximum stress does not change first,and then increases linearly.The maximum displacement of the model increases with the increase of the cross bracing radius and the wall thickness of the bracing strut.Gradually,the maximum stress decreases almost linearly.With the increase of the mud Pile radius and the wall thickness of the mud Pile,the maximum displacement of the model decreases linearly,and the maximum stress of the model increases gradually.The research results can Provide an important basis for offshore wind turbine structure and Platform safetv Protection.