Dear Manmathakrishnan,
I’ve sent you Mr. Vijhuizen’s MS thesis via a-mail.
The linearization functionality of FAST v8 is limited to land-based wind turbines. But we have recently added linearization functionality in OpenFAST for floating offshore wind turbines–see the following forum topic for more information: Does linearization provides wave disturbance matrix in the latest FAST? - #2 by Jason.Jonkman.
Best regards,