Sandia Energy > Programs > Renewable Energy > Wind Energy > Offshore Wind > Offshore Publications Brandon L. Ennis, D. Todd Griffith. System Levelized Cost of Energy Analysis for Floating Offshore Vertical-Axis Wind Turbines, SAND2018-9131. Todd Griffith, M. Barone, J. Paquette, B. Owens, D. Bull, C. Simao-Ferriera, A. Goupee, and M. Fowler. Design Studies for Deep-Water Floating Offshore Vertical Axis Wind Turbines, SAND2018-7002. Chad Searcy, Steve Perryman, Dilip Maniar, D. Todd Griffith, Brandon L. Ennis. Optimal Floating Vertical-Axis Wind Turbine Platform Identification, Design, and Cost Estimation, SAND2018-9085 Floating Offshore Vertical-Axis Wind Turbine Project Summary; International Offshore Partnering Forum, Princeton, N.J., April 3-6, 2018. SAND2018-3338 O. Ferriera, C. S., Madsen, H. A., Barone, M., Roscher, B., Deglaire, P. and Arduin I., “Comparison of aerodynamic models for Vertical Axis Wind Turbines,” Journal of Physics: Conference Series, Vol 524, 2014. Owens, B. C., Griffith, D. T. and Hurtado, J. E., “Modal Dynamics and Stability of Large Multi-megawatt Deepwater Offshore Vertical-axis Wind Turbines: Initial Support Structure and Rotor Design Impact Studies,” 32nd ASME Wind Energy Symposium, National Harbor, MD, January 13-17, 2014. Jason Magalen, Craig Jones, and Jesse Roberts, Offshore Wind Guidance Document: Oceanography and Sediment Stability, Development of a Conceptual Site Model, SAND2014-15239