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Funding Agencies
U.S. Department of Energy
Contract No. DE-FOA-0000415 (current)
National Science Foundation
CBET Division Award No. 1336760 (current); CBET Division Award No. 0967816; CMMI Division Award No. 0727989; CAREER Award No. 0449128
Sandia National Laboratories
Grant Nos. 743358 (current); 681008; 030914
Texas Higher Education Coordinating Board's Advanced Research Program [ARP]
Award Nos. 003658-0100-2007; 003658-0272-2001
Students - Past and Present
Eungsoo Kim, PhD student (current)
Jae Sang Moon, PhD student (current)
Nan-You Lu, PhD student (current)
Hieu Huy Nguyen, PhD graduate, August 2012 ... now at Technip, Houston
Puneet Agarwal, PhD graduate, August 2008 ... now at Stress Engineering Services, Inc., Houston
Korn Saranyasoontorn, PhD graduate, May 2006 ... now at BP Exploration & Production, Inc., Houston
Jinsong Lu, MS student (current)
Edwin Thomas, MS student (current)
Watsamon Sahasakkul, MS graduate, August 2014 ... now at Technip, Houston
Mohit Soni, MS graduate, August 2014 ... now at Aqualis Offshore, Houston
Phanisri Pradeep Pratapa, MS graduate, December 2011 ... now at McDermott International, Inc., Houston
Jinkyoo Park, MS graduate, August 2011 ... now a PhD student at Stanford University
Himanshu Arora, MS graduate, May 2011 ... now at BP America, Houston
Abhinav Sultania, MS graduate, August 2010 ... now with Atkins, Houston, Texas
Erica Bush, MS graduate, August 2009 ... now with Ensoft, Inc., Austin, Texas
Chungwook Sim, MS graduate, August 2009 ... now a PhD student at Purdue University
Patrick Ragan, MS graduate, May 2007 ... now with Halvorson and Partners - Structural, Chicago, Illinois
Luke Nelson, MS graduate, May 2003 ... now with Datum Engineers, Austin, Texas
Wiley Jennings, BS student 2013-14
Priscilla Nguyen, BS graduate, 2012-2013
Zahra Bhora, BS graduate, 2009-2011
Anthony Garcia, BS student 2010-11
Alexandra Houston, BS student, 2008-09
Hua Liu, BS student, 2008-09
Azrin Amin, BS student, 2008-09
Sergio Flores, BS student, 2007-09
Liliam Fernandez, BS student, 2007-08
Erin Keys, BS student, 2006-07
Chris Wright, BS graduate, 2005-2006
Aaron Sterns, BS graduate, 2002-2003
Others who have worked with us:
Laura Stegall [8th Grade Science Teacher, Ridgeview Middle School, Round
Rock Independent School District)
Martin Regner (BS graduate)
Web site for learning about wind turbines, Texas, etc...
(for middle school students and others - apologies, this is unmaintained and out of date)
Selected Publications
Journal Articles
Extreme and Fatigue Loads on Wind Turbines during Thunderstorm Downbursts: The Influence of Alternative Turbulence Models
(in Journal of Renewable and Sustainable Energy, 2015; DOI:10.1063/1.4905700)
Irregular Nonlinear Wave Simulation and Associated Loads on Offshore Wind Turbines
(in Journal of Offshore Mechanics and Arctic Engineering, Trans. ASME, 2015; 137(2); DOI:10.1115/1.4029212)
Transient Thunderstorm Downbursts and their Effects on Wind Turbines
(in Energies, 2014; 7(10), pp. 6527-6548; DOI:10.3390/en7106527)
On the Use of Site Data to Define Extreme Turbulence Conditions for Wind Turbine Design
(in Journal of Solar Energy Engineering including Wind Energy and Building Energy Conservation, Trans. ASME, 2014; 136(4); DOI:10.1115/1.4028721)
Hurricane-Induced Loads on Offshore Wind Turbines with Considerations for Nacelle Yaw and Blade Pitch Control
(in Wind Engineering, 2014; 38(4), pp. 413-424; DOI:10.1260/0309-524X.38.4.413)
A Monte Carlo Simulation Study of Wind Turbine Loads in Thunderstorm Downbursts
(in Wind Energy, 2014; DOI:10.1002/we.1740)
Simulation of Thunderstorm Downbursts and Associated Wind Turbine Loads
(in Journal of Solar Energy Engineering including Wind Energy and Building Energy Conservation, Trans. ASME, 2013; 135(2); DOI:10.1115/1.4023096)
Thunderstorm Downburst Risks to Wind Farms
(in Journal of Renewable and Sustainable Energy, 2013; DOI:10.1063/1.4792497)
Large-Eddy Simulation of Stable Boundary Layer Turbulence and Estimation of Associated Wind Turbine Loads
(in Wind Energy, 2013; DOI:10.1002/we.1580)
Long-Term Loads for a Monopile-Supported Offshore Wind Turbine
(in Wind Energy, 2013; DOI:10.1002/we.1569)
On Space-Time Resolution of Inflow Representations for Wind Turbine Loads Analysis
(in Energies, 2012; 5(7) pp. 2071-2092; DOI:10.3390/en5072071)
Wind Turbine Loads during Simulated Thunderstorm Microbursts
(in Journal of Renewable and Sustainable Engineering, 2011; DOI:10.1063/1.3646764)
Incorporating Irregular Nonlinear Waves in Coupled Simulation and Reliability Studies of Offshore Wind Turbines
(in Applied Ocean Research, 2011; DOI:10.1016/j.apor.2011.02.001)
On the Modeling of Nonlinear Waves for Prediction of Long-Term Offshore Wind Turbine Loads
(in Journal of Offshore Mechanics and Arctic Engineering, Trans. ASME, 2009; DOI:10.1115/1.3160647)
Simulation of Offshore Wind Turbine Response for Ultimate Limit States
(in Enineering Structures, 2009; DOI:10.1016/j.engstruct.2009.04.002)
Towards an improved understanding of statistical extrapolation for wind turbine extreme loads
(in Wind Energy 2008; 11(6): 613-635; DOI:10.1002/we.303)
Extreme Loads for an Offshore Wind Turbine using Statistical Extrapolation from Limited Field Data
(in Wind Energy 2008; 11(6): 673-684; DOI:10.1002/we.301)
On the propagation of uncertainty in inflow turbulence to wind turbine loads
(in Journal of Wind Engineering and Industrial Aerodynamics, 2008; DOI:10.1016/j.jweia.2008.01.005)
Empirical Wind Turbine Load Distributions Using Field Data
(in Journal of Offshore Mechanics and Arctic Engineering, Trans. ASME, 2008; DOI:10.1115/1.2827937)
Comparing Estimates of Wind Turbine Fatigue Loads using Time-Domain and Spectral Methods
(in Wind Engineering, 2007; DOI:10.1260/030952407781494494)
Symmetry Considerations When Using Proper Orthogonal Decomposition for Predicting Wind Turbine Yaw Loads
(in Journal of Solar Energy Engineering including Wind Energy and Building Energy Conservation, Trans. ASME, 2006; DOI:10.1115/1.2349541)
Design Loads for Wind Turbines using the Environmental Contour Method
(in Journal of Solar Energy Engineering including Wind Energy and Building Energy Conservation, Trans. ASME, 2006; DOI:10.1115/1.2346700)
Low-Dimensional Representations of Inflow Turbulence and Wind Turbine Response Using Proper Orthogonal Decomposition
(in Journal of Solar Energy Engineering including Wind Energy and Building Energy Conservation, Trans. ASME, 2005; DOI:10.1115/1.2037108)
On Assessing the Accuracy of Offshore Wind Turbine Reliability-based Design Loads from the Environmental Contour Method
(in International Journal of Offshore and Polar Engineering, 2005)
A Comparison of Standard Coherence Models for Inflow Turbulence With Estimates from Field Measurements
(in Journal of Solar Energy Engineering, Trans. ASME, 2004; DOI:10.1115/1.1797978)
A Comparison of Wind Turbine Design Loads in Different Environments Using Inverse Reliability Techniques
(in Journal of Solar Energy Engineering, Trans. ASME, 2004; DOI:10.1115/1.1796971)
Efficient models for wind turbine extreme loads using inverse reliability
(in Journal of Wind Engineering and Industrial Aerodynamics, 2004; DOI:10.1016/j.jweia.2004.04.002)
Statistical Analysis of Wind Turbine Inflow and Structural Response Data From the LIST Program
(in Journal of Solar Energy Engineering, Trans. ASME, 2003; DOI:10.1115/1.1627831)
Parametric Models for Estimating Wind Turbine Fatigue Loads for Design
(in Journal of Solar Energy Engineering, Trans. ASME, 2001; DOI:10.1115/1.1409555)
Books co-authored
Structural Integrity of Offshore Wind Turbines - Oversight of Design, Fabrication, and Installation
Committee of Structural and Operating Safety, Special Report 305, The National Academies Press, 140 pp., 2011. [ISBN-13: 978-0-309-16082-7]
Executive Summary
Environmental Impacts of Wind-Energy Projects
National Research Council, The National Academies Press, 394 pp., 2007. [ISBN-10: 0-309-10834-9; ISBN-13: 978-0-309-10834-8]
Four-page summary
Conference Proceedings
Incorporating Irregular Nonlinear Waves in Coupled Simulation of Offshore Wind Turbines
(in Proceedings, AIAA 2010 Annual Meeting)
A Comparison of Wind Turbine Load Statistics for Inflow Turbulence Fields based on Conventional Spectral Methods and Large Eddy Simulation
(in Proceedings, AIAA 2010 Annual Meeting)
Modeling Nonlinear Irregular Waves in Reliability Studies for Offshore Wind Turbines
(in Proceedings, OMAE 2009 Conference)
The Influence of Foundation Modeling Assumptions on Long-Term Load Prediction for Offshore Wind Turbines
(in Proceedings, OMAE 2009 Conference)
Foundation Models for Offshore Wind Turbines
(in Proceedings, AIAA 2009 Annual Meeting)
The Influence of Stable Boundary Layer Flows on Wind Turbine Fatigue Loads
(in Proceedings, AIAA 2009 Annual Meeting)
A Framework for the Reliability Analysis of Wind Turbines against Windstorms and Non-Standard Inflow Definitions
(in Proceedings, AIAA 2009 Annual Meeting)
On the Modeling of Nonlinear Waves for Prediction of Long-Term Offshore Wind Turbine Loads
(in Proceedings, OMAE 2008 Conference)
The Influence of Foundation Modeling Assumptions on Long-Term Load Prediction for Offshore Wind Turbines
(in Proceedings, OMAE 2008 Conference)
Towards an Improved Understanding of Statistical Extrapolation for Wind Turbine Extreme Loads
(in Proceedings, AIAA 2008 Annual Meeting)
Wave Models for Offshore Wind Turbines
(in Proceedings, AIAA 2008 Annual Meeting)
Empirical Wind Turbine Load Distributions using Field Data
(in Proceedings, OMAE 2007 Conference)
Simulation of Offshore Wind Turbine Response for Extreme Limit States
(in Proceedings, OMAE 2007 Conference)
Statistical Extrapolation Methods for Estimating Wind Turbine Extreme Loads
(in Proceedings, AIAA 2007 Annual Meeting)
On the Joint Wind-Wave Environment and its Influence on Offshore Wind Turbine Loads
(in Proceedings, AIAA 2007 Annual Meeting)
Design Loads for an Offshore Wind Turbine using Statistical Extrapolation from Limited Field Data
(in Proceedings, ISOPE 2006)
The Use of Tall Tower Field Data for Estimating Wind Turbine Power Performance
(in Proceedings, AWEA 2006)
On the study of uncertainty in inflow turbulence model parameters in wind turbine applications
(in Proceedings, AIAA 2006 Annual Meeting)
Design loads for wind turbines using the environmental contour method
(in Proceedings, AIAA 2006 Annual Meeting)
On the Use of Proper Orthogonal Decomposition to Describe Inflow Turbulence and Wind Turbine Loads
(in Proceedings, ICOSSAR 2005)
Low-Dimensional Representations of Wind Turbine Inflow Turbulence and Response using Proper Orthogonal Decomposition
(in Proceedings, AIAA 2005 Annual Meeting)
On estimation of empirical orthogonal modes in inflow turbulence for wind turbines
(in Proceedings, PMC 2004 Conference)
ISOPE 2004 Conference
(in Proceedings, ISOPE 2004 Conference)
A comparison of wind turbine design loads in different environments using inverse reliability
(in Proceedings, AIAA 2004 Annual Meeting)
On estimation of coherence in inflow turbulence based on field measurements
(in Proceedings, AIAA 2004 Annual Meeting)
XL2003 Conference
(in Proceedings, XL 2003 Conference)
ICASP 2003 Conference
(in Proceedings, ICASP 2003 Conference)
AIAA 2003 Annual Meeting
(in Proceedings, AIAA 2003 Annual Meeting)
Moment-based fatigue load models for wind energy systems
(in Proceedings, ICOSSAR 2001)
AIAA
2001 Annual Meeting
Miscellaneous technical Reports, etc.
Sandia Report (published in 1999) - On probabilistic models for wind turbine
loads
Completed Advanced Research Program
(ARP) Project funded by the Texas Higher Education Coordinating Board
Establishing loads for the safe design of wind turbines using simulations and
field data
Web site
summarizing project activities (created by ex-PhD student, Korn
Saranyasoontorn)
Questions/comments?
If you have any, please contact me by e-mail at lmanuel@mail.utexas.edu
Thank you!