-------------------------------------------------------------------------------- ---------------------- FAST LINEARIZATION CONTROL FILE ------------------------- NREL 5.0 MW offshore baseline linearization input properties. ---------------------- PERIODIC STEADY STATE SOLUTION -------------------------- False CalcStdy - Calculate periodic steady state condition {False: linearize about initial conditions} (flag) 3 TrimCase - Trim case {1: find nacelle yaw, 2: find generator torque, 3: find collective blade pitch} (switch) [used only when CalcStdy=True and GenDOF=True] 0.0001 DispTol - Convergence tolerance for the 2-norm of displacements in the periodic steady state calculation (rad ) [used only when CalcStdy=True] 0.0010 VelTol - Convergence tolerance for the 2-norm of velocities in the periodic steady state calculation (rad/s) [used only when CalcStdy=True] ---------------------- MODEL LINEARIZATION ------------------------------------- 36 NAzimStep - Number of equally-spaced azimuth steps in periodic linearized model (-) 1 MdlOrder - Order of output linearized model {1: 1st order A, B, Bd, C, D, Dd; 2: 2nd order M, C, K, F, Fd, VelC, DspC, D, Dd} (switch) ---------------------- INPUTS AND DISTURBANCES --------------------------------- 1 NInputs - Number of control inputs [0 (none) or 1 to 4+NumBl] (-) 4 CntrlInpt - List of control inputs [1 to NInputs] {1: nacelle yaw angle, 2: nacelle yaw rate, 3: generator torque, 4: collective blade pitch, 5: individual pitch of blade 1, 6: individual pitch of blade 2, 7: individual pitch of blade 3 [unavailable for 2-bladed turbines]} (-) [unused if NInputs=0] 0 NDisturbs - Number of wind disturbances [0 (none) or 1 to 7] (-) 0 Disturbnc - List of input wind disturbances [1 to NDisturbs] {1: horizontal hub-height wind speed, 2: horizontal wind direction, 3: vertical wind speed, 4: horizontal wind shear, 5: vertical power law wind shear, 6: linear vertical wind shear, 7: horizontal hub-height wind gust} (-) [unused if NDisturbs=0]