Energy and Climate
Energy and ClimateECEnergySandia–Univ. of Minnesota (UMN) Floating Offshore Wind Collaboration

Sandia–Univ. of Minnesota (UMN) Floating Offshore Wind Collaboration

From August 27th–September 27th Sandian Kelley Ruehl hosted Toni Calderer, a Ph.D. student from UMN. UMN and Sandia are currently collaborating on a 3-year DOE-sponsored offshore wind Funding Opportunity Announcement on high-resolution offshore wind turbine/farm modeling. UMN’s contribution is experimentation and wind turbine numerical modeling; Sandia’s contribution is floating-platform modeling. The month-long collaborative effort between UMN and Sandia was to couple the wind-wave models.

As a result of the collaboration, UMN and Sandia made significant progress toward an integrated, high-resolution wind-wave model. A wave boundary condition was successfully implemented in UMN’s code and simulations were run in the combined wind-wave model of a simple floating platform when subject to regular waves of various wave periods. These results were then compared to Sandia’s results for the same platform using boundary element methods. Initial results are promising, but refinement of the combined wind-wave model is necessary before moving onto more complicated geometries, like a semisubmersible platform.

Experimental testing of the floating platform is planned to begin at UMN’s St. Anthony Falls Laboratory flume this winter.

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