Large Eddy Simulation in Marine Hydrodynamics and Offshore Wind Energy

Course Description: Theory and practice of large eddy simulation with applications in marine hydrodynamics and offshore wind energy.

 

LES with dynamic Smagorinsky model and flow separation, wave analysis of a fixed or floating vertical cylinder by nonlinear potential theory in long wave regime, Morison's equation, wind turbine and wake aerodynamics, blade-element/momentum theory, rotor loads and atmospheric boundary layer profiles.

 

PhD Course: LES in Hydrodynamics and Offshore Wind Energy

Part I: Oslo University, August 15-17, 2011:

Monday - August 15

 Jens N. Sørensen: Basics of LES, filtering techniques, mixed models

 John Grue: Dynamic Smagorinsky

 Exercises on LES and sub-grid-scale modeling

 Jens N. Sørensen: Numerical modeling and scales in wind power

 Jens N. Sørensen: LES and the actuator disc/line model

 John Grue: Scales and LES in hydrodynamics

 

Tuesday - August 16

 Jens N. Sørensen: Aerodynamics of wind turbines

 John Grue: Main types of offshore wind turbines

 John Grue: Wave environment/spectra

 John Grue: Dispersion (waves)

 John Grue: Deep to shallow water waves; kinematics

 John Grue: Ursell number. Cnoidal waves, KdV equation

 John Grue: Wind environment, wind spectra

 

Wednesday - August 17

 Jens N. Sørensen: Modeling and simulation of wakes

 John Grue: Wave loads. Linear theory.

 Exercises and examples

 John Grue: Equation of motion and response characteristics

 John Grue: Added mass. Resonance. Response and mooring characteristics.

 John Grue: Combined wave and wind loads and motions of floating spar.

 Examples and exercises

 

PhD Course: LES in Hydrodynamics and Offshore Wind Energy

Part II: Technical University of Denmark, August 24-26, 2011:

Wednesday - August 24

 John Grue: Nonlinear wave loads on fixed offshore turbines-I

 John Grue: Nonlinear wave loads on fixed offshore turbines-II

 Jens N. Sørensen: Simulation of wind farms

 Robert Mikkelsen: Intro to Ellipsys and the actuator disc concept

 Hands-on: Computation of wind farm

 

Thursday - August 25

 Jakob Mann: Turbulence and spectra

 Exercises on turbulence and spectra

 Gunner Larsen: Dynamic wake meandering model

 Kurt S. Hansen: Measurements of flow and turbulence in wakes

 Kurt S. Hansen: Measurements of flow fields in wind farms

 Andrea N. Hahmann: Meso-scale modeling of the atmospheric boundary layer

 Exercises on meso-scale modelling

 

Friday - August 26

 Gunner Larsen: Optimization of wind farms

 Finn Gunner Nielsen: The Hywind project

 Finn Gunner Nielsen: The dynamics of floating wind turbines

 Presentation of student projects

 

 Presentation of student projects

 Evaluation of course