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Proceedings Papers

Impact of Rotor Solidity on the Design Optimization of Floating Vertical Axis Wind Turbines

Ju Gao, D. Todd Griffith, Mohammad Jafari, Shulong Yao, Faraz Ahsan
Proc. ASME. OMAE2022, Volume 8: Ocean Renewable Energy, V008T09A019, June 5–10, 2022
Paper No: OMAE2022-78715
DOI: https://doi.org/10.1115/OMAE2022-78715
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Topics: Design, Optimization, Rotors, Tension-leg platforms, Vertical axis wind turbines
Journal Articles

Finite Cross-Section Method for Mode Shape Recognition of Highly Coupled Beam-Type Structures

Yuanchang Chen, D. Todd Griffith
Journal: Journal of Vibration and Acoustics
Article Type: Research Papers
J. Vib. Acoust. August 2022, 144(4): 041013.
Paper No: VIB-21-1288
DOI: https://doi.org/10.1115/1.4053977
Published Online: March 18, 2022
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Topics: Blades, Deformation, Mode shapes, Wind turbines, Cross section (Physics)
Journal Articles

Structural Dynamics Testing and Analysis for Design Evaluation and Monitoring of Heliostats

D. Todd Griffith, Adam C. Moya, Clifford K. Ho, Patrick S. Hunter
Journal: Journal of Solar Energy Engineering
Article Type: Research-Article
J. Sol. Energy Eng. April 2015, 137(2): 021010.
Paper No: SOL-12-1160
DOI: https://doi.org/10.1115/1.4028561
Published Online: October 23, 2014
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Topics: Design, Excitation, Hammers, Sensors, Structural dynamics, Testing, Trusses (Building), Vibration, Wind, Wind velocity
Proceedings Papers

Hydrodynamic Module Coupling in the Offshore Wind Energy Simulation (OWENS) Toolkit

Matthew J. Fowler, Brian Owens, Diana Bull, Andrew J. Goupee, John Hurtado, D. Todd Griffith, Marco Alves
Proc. ASME. OMAE2014, Volume 9B: Ocean Renewable Energy, V09BT09A027, June 8–13, 2014
Paper No: OMAE2014-24175
DOI: https://doi.org/10.1115/OMAE2014-24175
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Topics: Ocean engineering, Simulation, Wind energy, Vertical axis wind turbines, Wind, Horizontal axis wind turbines, Maintenance, Waves, Composite materials, Computer simulation
Proceedings Papers

Structural Dynamics Testing and Analysis for Design Evaluation and Monitoring of Heliostats

D. Todd Griffith, Adam C. Moya, Clifford K. Ho, Patrick S. Hunter
Proc. ASME. ES2011, ASME 2011 5th International Conference on Energy Sustainability, Parts A, B, and C, 567-576, August 7–10, 2011
Paper No: ES2011-54222
DOI: https://doi.org/10.1115/ES2011-54222
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Topics: Design, Structural dynamics, Testing, Vibration, Deformation, Wind, Computers, Durability, Dynamics (Mechanics), Errors
Proceedings Papers

The Hamel Representation: A Diagonalized Poincare´ Form

Michael C. Sovinsky, John E. Hurtado, D. Todd Griffith, James D. Turner
Proc. ASME. IDETC-CIE2005, Volume 6: 5th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, Parts A, B, and C, 283-290, September 24–28, 2005
Paper No: DETC2005-85650
DOI: https://doi.org/10.1115/DETC2005-85650
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Topics: Dynamic modeling, Numerical analysis, Simulation
Proceedings Papers

Some Applications of Automatic Differentiation to Rigid, Flexible, and Constrained Multibody Dynamics

D. Todd Griffith, James D. Turner, John L. Junkins
Proc. ASME. IDETC-CIE2005, Volume 6: 5th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, Parts A, B, and C, 271-281, September 24–28, 2005
Paper No: DETC2005-85640
DOI: https://doi.org/10.1115/DETC2005-85640
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Topics: Multibody dynamics, Dynamic systems, Equations of motion, Multibody systems, Simulation
Journal Articles

The Hamel Representation: A Diagonalized Poincaré Form

Michael C. Sovinsky, John E. Hurtado, D. Todd Griffith, James D. Turner
Journal: Journal of Computational and Nonlinear Dynamics
Article Type: Research Papers
J. Comput. Nonlinear Dynam. October 2007, 2(4): 316–323.
DOI: https://doi.org/10.1115/1.2756062
Published Online: April 16, 2007
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Topics: Closed kinematic chains, Equations of motion, Simulation, Tensors, Kinetic energy, Matrix algebra, Numerical analysis, Partial differential equations