Seminar on Offshore Wind Energy Engineering 18. november 2014

The two external examiners for Siri M Kalvigs’s PhD defense on Monday November 17th have agreed to give a seminar on their current work in the wind energy area.


Date: Tuesday November 18th


Time: 1015-1200


Place: University of Stavanger (UiS) Room A-204 in Kjølv Egelands hus





1.     Professor Eric Paterson, Virginia Tech, USA


Title: The Challenges of Developing a Cyber Wind Facility for Analysis of Offshore Wind Turbines




Over the past 3 years, a team of researchers at The Pennsylvania State University and Virginia Tech have worked, with support from the U.S. Department of Energy, on the development of an OpenFOAM-based Cyber Wind Facility.  The goal has been to develop a selectable-fidelity simulation suite that captures all important phenomena which drive unsteady loads through the shaft and drive train.   This includes LES of atmospheric turbulence, unsteady blade aerodynamics and structural response, and platform hydrodynamics and motions.  There have been successes and challenges along the way, and this talk will present a brief overview of our progress.


2.     Dr. Line Gulstad, Vestas Technology Service & Solutions, Denmark


Title: The Influence of Atmospheric Stability on Business Case Certainty



  • Assessment of atmospheric stability and the impact on AEP
  • The effect of atmospheric stability on wake loss estimations 
  • Bringing scientific understanding into business value 
  • Specific case studies from operating wind farms


Short Biographies


Prof. Eric G. Paterson is Department Head of Aerospace and Ocean Engineering and the Rolls-Royce Commonwealth Professor of Marine Propulsion at Virginia Polytechnic Institute and State University (Virginia Tech).    He received his Ph.D. at The University of Iowa, where he was the first Hunter Rouse Fellow of Fluid Mechanics and Hydraulics at the Iowa Institute of Hydraulic Research (IIHR).   Prior to joining Virginia Tech, he was Senior Scientist at the Applied Research Laboratory and Professor of Mechanical and Nuclear Engineering at The Pennsylvania State University.    Dr. Paterson's research expertise is in the field of computational fluid dynamics (CFD) applied to the design and analysis of naval vehicles, terrestrial and offshore wind turbines, hydroturbines and marine hydro-kinetic devices, artificial heart pumps and cardiovascular devices, and biomimetically-inspired trace detectors.   Associated with these application areas, he has conducted research in fluid-structure interaction, free-surface waves, cavitation and multiphase flow, stratified wakes, turbulence modeling, turbomachinery, underwater explosions, and flow control and drag reduction.  As Department Head, he provides leadership for a department of 24 faculty members and 14-full time staff members serving approximately 500 undergraduate majors and 140 graduate students.


Line Gulstad is a physicist and a meteorologist and Director for the department Plant Siting & Forecasting in Vestas Technology Service & Solutions. She received her Ph.D. in 2005 from the University of Oslo, Norway. She has 14 years of experience in flow modeling and climate research and 6 years of experience in the wind power field. Prior to Vestas she worked as a climate researcher at the University of Oslo within the field of climate modelling. Current field of work is within wind energy with the main focus on atmospheric modelling, wind resource assessment, risk mitigation, site performance and optimization, weather and wind power forecasting.   


We hereby invite you to participate!




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