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Journal Articles

An Experimental Study of Mooring Line Damping and Snap Load in Shallow Water

Wen-Yang Hsu, Tzu-Ching Chuang, Ray-Yeng Yang, Wei-Ting Hsu, Krish P. Thiagarajan
Journal: Journal of Offshore Mechanics and Arctic Engineering
Publisher: ASME
Article Type: Research-Article
J. Offshore Mech. Arct. Eng. October 2019, 141(5): 051603.
Paper No: OMAE-18-1065
https://doi.org/10.1115/1.4042535
Published Online: February 15, 2019
View Article titled, An Experimental Study of Mooring Line Damping and Snap Load in Shallow Water
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Topics: Damping, Mooring, Tension, Water, Waves, Chain, Stress, Surges
Proceedings Papers

Snap Load Criteria for Mooring Lines of a Floating Offshore Wind Turbine

Wei-Ting Hsu, Krish P. Thiagarajan, Lance Manuel
Proc. ASME. IOWTC2018, ASME 2018 1st International Offshore Wind Technical Conference, V001T01A022, November 4–7, 2018
Publisher: American Society of Mechanical Engineers
Paper No: IOWTC2018-1047
https://doi.org/10.1115/IOWTC2018-1047
View Paper titled, Snap Load Criteria for Mooring Lines of a Floating Offshore Wind Turbine
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Topics: Mooring, Offshore wind turbines, Stress, Tension, Computer simulation, Computer software, Storms, Water, Composite materials, Design
Proceedings Papers

An Experimental Study of Mooring Line Damping in Shallow Water

Wen-Yang Hsu, Tzu-Ching Chuang, Ray-Yeng Yang, Wei-Ting Hsu, Krish P. Thiagarajan
Proc. ASME. OMAE2018, Volume 11A: Honoring Symposium for Professor Carlos Guedes Soares on Marine Technology and Ocean Engineering, V11AT12A023, June 17–22, 2018
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2018-78535
https://doi.org/10.1115/OMAE2018-78535
View Paper titled, An Experimental Study of Mooring Line Damping in Shallow Water
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Topics: Damping, Mooring, Water, Tension, Chain, Surges, Gages, Geometry, Image processing, Seabed
Journal Articles

Characterization of a Wind Generation System for Use in Offshore Wind Turbine Development

Raul Urbina, James M. Newton, Matthew P. Cameron, Richard W. Kimball, Andrew J. Goupee, Krish P. Thiagarajan
Journal: Journal of Offshore Mechanics and Arctic Engineering
Publisher: ASME
Article Type: Research-Article
J. Offshore Mech. Arct. Eng. April 2018, 140(2): 021901.
Paper No: OMAE-16-1012
https://doi.org/10.1115/1.4037826
Published Online: October 27, 2017
View Article titled, Characterization of a Wind Generation System for Use in Offshore Wind Turbine Development
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Topics: Flow (Dynamics), Nozzles, Turbulence, Wind, Offshore wind turbines
Proceedings Papers

Effect of Wind Loads and Damping on Heading Stability of FPSOs

Razieh Zangeneh, Krish P. Thiagarajan, Matthew Cameron
Proc. ASME. OMAE2017, Volume 1: Offshore Technology, V001T01A066, June 25–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2017-62134
https://doi.org/10.1115/OMAE2017-62134
View Paper titled, Effect of Wind Loads and Damping on Heading Stability of FPSOs
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Topics: Damping, Stability, Stress, Wind, Mooring, Tankers, Vessels, Waves, Equilibrium (Physics), Ocean engineering
Proceedings Papers

Validation Study of Smoothed Particle Hydrodynamics in Fluid and Structure Interaction and the Comparison to Boundary Element Method

Nhu Nguyen, Krish P. Thiagarajan, Matthew Cameron
Proc. ASME. OMAE2017, Volume 2: Prof. Carl Martin Larsen and Dr. Owen Oakley Honoring Symposia on CFD and VIV, V002T08A006, June 25–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2017-62285
https://doi.org/10.1115/OMAE2017-62285
View Paper titled, Validation Study of Smoothed Particle Hydrodynamics in Fluid and Structure Interaction and the Comparison to Boundary Element Method
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Topics: Boundary element methods, Fluids, Hydrodynamics, Particulate matter, Buoys, Computer software, Floating structures, Fluid structure interaction, Numerical analysis, Testing
Proceedings Papers

Hydrodynamic Coefficients of Hexagonal Heave Plates for Floating Offshore Wind Turbine Platforms

Javier Moreno, Krish P. Thiagarajan, Matthew Cameron
Proc. ASME. OMAE2016, Volume 6: Ocean Space Utilization; Ocean Renewable Energy, V006T09A032, June 19–24, 2016
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2016-54139
https://doi.org/10.1115/OMAE2016-54139
View Paper titled, Hydrodynamic Coefficients of Hexagonal Heave Plates for Floating Offshore Wind Turbine Platforms
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Topics: Offshore wind turbines, Plates (structures), Damping, Engineers, Semi-submersible offshore structures, Waves, Wind, Wind energy, Wind turbines
Proceedings Papers

Characterization of a Wind Tunnel for Use in Offshore Wind Turbine Development

James M. Newton, Matthew P. Cameron, Raul Urbina, Richard W. Kimball, Andrew J. Goupee, Krish P. Thiagarajan
Proc. ASME. OMAE2015, Volume 9: Ocean Renewable Energy, V009T09A048, May 31–June 5, 2015
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2015-41979
https://doi.org/10.1115/OMAE2015-41979
View Paper titled, Characterization of a Wind Tunnel for Use in Offshore Wind Turbine Development
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Topics: Offshore wind turbines, Wind tunnels, Turbines, Flow (Dynamics), Wakes, Shear (Mechanics), Turbulence, Honeycomb structures, Shapes, Testing
Proceedings Papers

Prediction of Extreme Tensions in Mooring Lines of a Floating Offshore Wind Turbine in a 100-Year Storm

Wei-ting Hsu, Krish P. Thiagarajan, Michael MacNicoll, Richard Akers
Proc. ASME. OMAE2015, Volume 9: Ocean Renewable Energy, V009T09A050, May 31–June 5, 2015
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2015-42015
https://doi.org/10.1115/OMAE2015-42015
View Paper titled, Prediction of Extreme Tensions in Mooring Lines of a Floating Offshore Wind Turbine in a 100-Year Storm
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Topics: Mooring, Offshore wind turbines, Storms, Computer simulation, Tension, Computer software, Stress, Cycles, Wind turbines, Design
Proceedings Papers

Insights Into Sloshing Impact Pressures Through Level Set Modeling of Liquid Droplet Impacting a Wall

Nitin Repalle, Krish P. Thiagarajan, Murali Kantharaj
Proc. ASME. OMAE2015, Volume 11: Prof. Robert F. Beck Honoring Symposium on Marine Hydrodynamics, V011T12A016, May 31–June 5, 2015
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2015-41022
https://doi.org/10.1115/OMAE2015-41022
View Paper titled, Insights Into Sloshing Impact Pressures Through Level Set Modeling of Liquid Droplet Impacting a Wall
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Topics: Drops, Modeling, Sloshing, Pressure, Algorithms, Compressibility, Computer simulation, Density, Flammable liquids, Fluids
Proceedings Papers

Viscous Damping Effects on Heading Stability of Turret-Moored Ships

Razieh Zangeneh, Krish P. Thiagarajan, Raul Urbina, Zhigang Tian
Proc. ASME. OMAE2014, Volume 8A: Ocean Engineering, V08AT06A054, June 8–13, 2014
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2014-23638
https://doi.org/10.1115/OMAE2014-23638
View Paper titled, Viscous Damping Effects on Heading Stability of Turret-Moored Ships
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Topics: Damping, Mooring, Ships, Stability, Equilibrium (Physics), Tankers, Vessels, Wavelength, Waves, Bifurcation
Proceedings Papers

Snap Loads on Mooring Lines of a Floating Offshore Wind Turbine Structure

Wei-ting Hsu, Krish P. Thiagarajan, Matthew Hall, Michael MacNicoll, Richard Akers
Proc. ASME. OMAE2014, Volume 9A: Ocean Renewable Energy, V09AT09A036, June 8–13, 2014
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2014-23587
https://doi.org/10.1115/OMAE2014-23587
View Paper titled, Snap Loads on Mooring Lines of a Floating Offshore Wind Turbine Structure
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Topics: Mooring, Offshore wind turbines, Stress, Ocean engineering, Water, Design, Displacement, Economics , Fatigue life, Probability
Journal Articles

Special Section on Offshore Wind Energy

Krish P. Thiagarajan, Charles E. Smith
Journal: Journal of Offshore Mechanics and Arctic Engineering
Publisher: ASME
Article Type: Editorial
J. Offshore Mech. Arct. Eng. May 2014, 136(2): 020201.
Paper No: OMAE-13-1110
https://doi.org/10.1115/1.4026587
Published Online: March 24, 2014
View Article titled, Special Section on Offshore Wind Energy
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Topics: Ocean engineering, Wind energy
Proceedings Papers

Variation of Heave Added Mass and Damping Near Seabed

Hemlata Wadhwa, Balaji Krishnamoorthy, Krish P. Thiagarajan
Proc. ASME. OMAE2010, 29th International Conference on Ocean, Offshore and Arctic Engineering: Volume 1, 271-277, June 6–11, 2010
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2010-20456
https://doi.org/10.1115/OMAE2010-20456
View Paper titled, Variation of Heave Added Mass and Damping Near Seabed
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Topics: Damping, Seabed, Disks, Cavities, Ocean engineering, Displacement, Oscillations, Actuators, Algorithms, Cranes
Proceedings Papers

Investigation of Fluid-Structure Interactions on Controlled Oscillations of a Cylinder at Moderate Reynolds Number

Muhamad H. Kamarudin, Krish P. Thiagarajan
Proc. ASME. OMAE2010, 29th International Conference on Ocean, Offshore and Arctic Engineering: Volume 6, 853-862, June 6–11, 2010
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2010-20918
https://doi.org/10.1115/OMAE2010-20918
View Paper titled, Investigation of Fluid-Structure Interactions on Controlled Oscillations of a Cylinder at Moderate Reynolds Number
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Topics: Cylinders, Fluid structure interaction, Oscillations, Reynolds number, Computational fluid dynamics, Energy transformation, Flow (Dynamics), Limit cycles, Computer simulation, Engineering simulation
Proceedings Papers

Experimental Assessment of Hydrodynamic Coefficients of Disks Oscillating Near a Free Surface

Hemlata Wadhwa, Krish P. Thiagarajan
Proc. ASME. OMAE2009, Volume 4: Ocean Engineering; Ocean Renewable Energy; Ocean Space Utilization, Parts A and B, 435-441, May 31–June 5, 2009
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2009-79671
https://doi.org/10.1115/OMAE2009-79671
View Paper titled, Experimental Assessment of Hydrodynamic Coefficients of Disks Oscillating Near a Free Surface
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Topics: Disks, Ocean engineering, Damping, Displacement, Algorithms, Fast Fourier transforms, Hydrodynamics, Oscillations, Shapes, Stress
Journal Articles

Influence of Bilge Keel Width on the Roll Damping of FPSO

Krish P. Thiagarajan, Ellen C. Braddock
Journal: Journal of Offshore Mechanics and Arctic Engineering
Publisher: ASME
Article Type: Offshore And Structural Mechanics
J. Offshore Mech. Arct. Eng. February 2010, 132(1): 011303.
https://doi.org/10.1115/1.3160384
Published Online: December 22, 2009
View Article titled, Influence of Bilge Keel Width on the Roll Damping of FPSO
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Topics: Damping, Keel, Vortices, FPSO, Oscillations
Proceedings Papers

A Numerical Study on the Impact of Filling Level on Liquid Sloshing Pressures

Dibakar Rakshit, Nitin Repalle, Jagadeesh Putta, Krish P. Thiagarajan
Proc. ASME. OMAE2008, Volume 1: Offshore Technology, 611-618, June 15–20, 2008
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2008-57557
https://doi.org/10.1115/OMAE2008-57557
View Paper titled, A Numerical Study on the Impact of Filling Level on Liquid Sloshing Pressures
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Topics: Sloshing, Excitation, Liquefied natural gas, Computer simulation, Computer software, Critical phenomena (Physics), Fluids, Oscillations, Pressure, Stress
Proceedings Papers

Fluid-Structure Interaction Simulation Using an Incompressible SPH method

Ashkan Rafiee, Krish P. Thiagarajan
Proc. ASME. OMAE2008, Volume 1: Offshore Technology, 485-496, June 15–20, 2008
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2008-57510
https://doi.org/10.1115/OMAE2008-57510
View Paper titled, Fluid-Structure Interaction Simulation Using an Incompressible SPH method
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Topics: Fluid structure interaction, Simulation, Deformation, Collapse, Dams, Elastic plates, Fluid dynamics, Fluids, Fracture (Materials), Fracture (Process)
Proceedings Papers

Influence of Heave Plate Geometry on the Heave Response of Classic Spars

Krish P. Thiagarajan, Indra Datta, Alex Z. Ran, Longbin Tao, John E. Halkyard
Proc. ASME. OMAE2002, 21st International Conference on Offshore Mechanics and Arctic Engineering, Volume 1, 621-627, June 23–28, 2002
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2002-28350
https://doi.org/10.1115/OMAE2002-28350
View Paper titled, Influence of Heave Plate Geometry on the Heave Response of Classic Spars
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Topics: Geometry, Spar platforms, Wing spars, Computer simulation, Damping, Design, Disks, Mooring, Ocean engineering, Oscillations