Modelling a 4 masts tower

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Bertrand.Canetti
Posts: 23
Joined: Thu Oct 31, 2019 6:35 pm
Organization: University College of Cork
Location: Ireland

Modelling a 4 masts tower

Postby Bertrand.Canetti » Fri Nov 15, 2019 12:53 pm

Hello everyone,

I am wondering how to modify the geometry of the tower to a 4 masts pyramidal-like tower like with the Eolink floating offshore wind turbine project for example? Is there a way to do this with FAST?

Image

Thank you for your help,
Regards,
Bertrand

Jason.Jonkman
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Joined: Thu Nov 03, 2005 4:38 pm
Location: Boulder, CO
Contact:

Re: Modelling a 4 masts tower

Postby Jason.Jonkman » Fri Nov 15, 2019 2:11 pm

Dear Bertrand,

The SubDyn module of FAST / OpenFAST can handle multi-member support structures, however, SubDyn is currently limited to modeling fixed-bottom systems. We are currently working on improvements to OpenFAST that will allow SubDyn to be enabled for floating offshore wind turbines under a broader project to add floating platform flexibility and member-level load calculations to OpenFAST. We presented an overview of this new functionality recently at the IOWTC 2019 conference--see the paper here: https://www.nrel.gov/docs/fy20osti/74380.pdf. While the functionality is not yet available, I think it will be useful for modeling the Eolink or similar floating wind systems.

Best regards,
Jason Jonkman, Ph.D.
Senior Engineer | National Wind Technology Center (NWTC)

National Renewable Energy Laboratory (NREL)
15013 Denver West Parkway | Golden, CO 80401
+1 (303) 384 – 7026 | Fax: +1 (303) 384 – 6901
nwtc.nrel.gov

Bertrand.Canetti
Posts: 23
Joined: Thu Oct 31, 2019 6:35 pm
Organization: University College of Cork
Location: Ireland

Re: Modelling a 4 masts tower

Postby Bertrand.Canetti » Sat Nov 16, 2019 4:45 am

Dear Jason,

Thank you for your answer. I did not know this recent paper. I find it very interesting and I am eager to see this new functionality being available in OpenFAST! This is good news to model all the panels of offshore structures.

Thank you again and have a nice day,

Bertrand


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