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Journal Articles

Preliminary Design of Bottom-Fixed Lattice Offshore Wind Turbine Towers in the Fatigue Limit State by the Frequency Domain Method

Haiyan Long, Geir Moe
Journal: Journal of Offshore Mechanics and Arctic Engineering
Publisher: ASME
Article Type: Ocean Renewable Energy
J. Offshore Mech. Arct. Eng. August 2012, 134(3): 031902.
https://doi.org/10.1115/1.4005200
Published Online: February 2, 2012
View Article titled, Preliminary Design of Bottom-Fixed Lattice Offshore Wind Turbine Towers in the Fatigue Limit State by the Frequency Domain Method
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Topics: Design, Fatigue, Fatigue analysis, Offshore wind turbines, Stress, Transfer functions, Waves, Wind, Water, Wind turbines
Journal Articles

Individual Pitch Control of Horizontal Axis Wind Turbines

Fredrik Sandquist, Geir Moe, Olimpo Anaya-Lara
Journal: Journal of Offshore Mechanics and Arctic Engineering
Publisher: ASME
Article Type: Ocean Renewable Energy
J. Offshore Mech. Arct. Eng. August 2012, 134(3): 031901.
https://doi.org/10.1115/1.4005376
Published Online: February 1, 2012
View Article titled, Individual Pitch Control of Horizontal Axis Wind Turbines
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Topics: Blades, Control equipment, Generators, Wind turbines, Wind, Design
Journal Articles

Lattice Towers for Bottom-Fixed Offshore Wind Turbines in the Ultimate Limit State: Variation of Some Geometric Parameters

Haiyan Long, Geir Moe, Tim Fischer
Journal: Journal of Offshore Mechanics and Arctic Engineering
Publisher: ASME
Article Type: Ocean Space Utilization
J. Offshore Mech. Arct. Eng. May 2012, 134(2): 021202.
https://doi.org/10.1115/1.4004634
Published Online: December 6, 2011
View Article titled, Lattice Towers for Bottom-Fixed Offshore Wind Turbines in the Ultimate Limit State: Variation of Some Geometric Parameters
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Topics: Bracing (Construction), Design, Geometry, Offshore wind turbines, Stress, Torsion, Waves, Wind turbines
Proceedings Papers

Decentralised Control Design for Load Mitigation in Horizontal Axis Wind Turbines (HAWTS)

Fredrik Sandquist, Geir Moe, Olimpo Anaya-Lara
Proc. ASME. OMAE2011, Volume 5: Ocean Space Utilization; Ocean Renewable Energy, 871-878, June 19–24, 2011
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2011-50147
https://doi.org/10.1115/OMAE2011-50147
View Paper titled, Decentralised Control Design for Load Mitigation in Horizontal Axis Wind Turbines (HAWTS)
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Topics: Design, Horizontal axis wind turbines, Stress, Wind turbines, Control equipment, Blades, Turbines, Active damping, Bearings, Control algorithms
Journal Articles

Experimental Investigations of the Efficiency of Round-Sectioned Helical Strakes in Suppressing Vortex Induced Vibrations

Raed K. Lubbad, Sveinung Løset, Geir Moe
Journal: Journal of Offshore Mechanics and Arctic Engineering
Publisher: ASME
Article Type: Ocean Engineering
J. Offshore Mech. Arct. Eng. November 2011, 133(4): 041102.
https://doi.org/10.1115/1.4002732
Published Online: April 7, 2011
View Article titled, Experimental Investigations of the Efficiency of Round-Sectioned Helical Strakes in Suppressing Vortex Induced Vibrations
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Topics: Cylinders, Surface roughness, Vortex-induced vibration, Cross-flow, Oscillations, Vibration, Pipeline risers, Risers (Casting), Water
Proceedings Papers

Blade Response on Offshore Bottom Fixed Wind Turbines With Down-Wind Rotors

Marit Reiso, Geir Moe
Proc. ASME. OMAE2010, 29th International Conference on Ocean, Offshore and Arctic Engineering: Volume 3, 499-504, June 6–11, 2010
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2010-20586
https://doi.org/10.1115/OMAE2010-20586
View Paper titled, Blade Response on Offshore Bottom Fixed Wind Turbines With Down-Wind Rotors
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Topics: Blades, Ocean engineering, Rotors, Wind, Wind turbines, Offshore wind turbines, Shades and shadows, Maintenance, Simulation, Trusses (Building)
Proceedings Papers

A Review of Hydrodynamic Effects on Bottom-Fixed Offshore Wind Turbines

Karl O. Merz, Geir Moe, Ove T. Gudmestad
Proc. ASME. OMAE2009, Volume 4: Ocean Engineering; Ocean Renewable Energy; Ocean Space Utilization, Parts A and B, 927-941, May 31–June 5, 2009
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2009-79630
https://doi.org/10.1115/OMAE2009-79630
View Paper titled, A Review of Hydrodynamic Effects on Bottom-Fixed Offshore Wind Turbines
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Topics: Offshore wind turbines, Damping, Drag (Fluid dynamics), Morison equation, Stress, Vibration, Errors, Flow (Dynamics), Hydrodynamics, Impulse (Physics)
Proceedings Papers

What Is the Optimum Size for a Wind Turbine?

Geir Moe
Proc. ASME. OMAE2007, Volume 5: Ocean Space Utilization; Polar and Arctic Sciences and Technology; The Robert Dean Symposium on Coastal and Ocean Engineering; Special Symposium on Offshore Renewable Energy, 409-416, June 10–15, 2007
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2007-29035
https://doi.org/10.1115/OMAE2007-29035
View Paper titled, What Is the Optimum Size for a Wind Turbine?
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Topics: Wind turbines, Blades, Centrifugal force, Machinery, Stress, Thrust, Turbines
Proceedings Papers

Experiences With VIV Analyses of SCR’s Using Complex Modes

Geir Moe, O̸vind A. Amitsen
Proc. ASME. OMAE2002, 21st International Conference on Offshore Mechanics and Arctic Engineering, Volume 1, 639-644, June 23–28, 2002
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2002-28359
https://doi.org/10.1115/OMAE2002-28359
View Paper titled, Experiences With VIV Analyses of SCR’s Using Complex Modes
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Topics: Vortex-induced vibration, Pipeline risers, Risers (Casting), Computers, Damping, Engineering prototypes, Modal analysis, Steel
Proceedings Papers

Wave Induced VIV of Tubes in the Splash Zone

Geir Moe, Kjell Hagatun
Proc. ASME. OMAE2004, 23rd International Conference on Offshore Mechanics and Arctic Engineering, Volume 1, Parts A and B, 1053-1060, June 20–25, 2004
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2004-51571
https://doi.org/10.1115/OMAE2004-51571
View Paper titled, Wave Induced VIV of Tubes in the Splash Zone
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Topics: Vortex-induced vibration, Waves, Computers, Flow (Dynamics), Pipeline risers, Risers (Casting), Water, Currents, Databases, Particulate matter
Proceedings Papers

Predictions and Model Tests of an SCR Undergoing VIV in Flow at Oblique Angles

Geir Moe, Torbjo̸rn Teigen, Paolo Simantiras, Neil Willis, Halvor Lie
Proc. ASME. OMAE2004, 23rd International Conference on Offshore Mechanics and Arctic Engineering, Volume 1, Parts A and B, 1023-1034, June 20–25, 2004
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2004-51563
https://doi.org/10.1115/OMAE2004-51563
View Paper titled, Predictions and Model Tests of an SCR Undergoing VIV in Flow at Oblique Angles
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Topics: Flow (Dynamics), Vortex-induced vibration, Pipeline risers, Risers (Casting), Computers, Databases, Uncertainty