------- AERODYN v15.03.* INPUT FILE ------------------------------------------------ NREL 5.0 MW offshore baseline aerodynamic input properties. ====== General Options ============================================================================ False Echo - Echo the input to ".AD.ech"? (flag) "default" DTAero - Time interval for aerodynamic calculations {or "default"} (s) 1 WakeMod - Type of wake/induction model (switch) {0=none, 1=BEMT} 1 AFAeroMod - Type of blade airfoil aerodynamics model (switch) {1=steady model, 2=Beddoes-Leishman unsteady model} 1 TwrPotent - Type tower influence on wind based on potential flow around the tower (switch) {0=none, 1=baseline potential flow, 2=potential flow with Bak correction} False TwrShadow – Calculate tower influence on wind based on downstream tower shadow? (flag) True TwrAero - Calculate tower aerodynamic loads? (flag) True FrozenWake - Assume frozen wake during linearization? (flag) [used only when WakeMod=1 and when linearizing] ====== Environmental Conditions =================================================================== 1.225 AirDens - Air density (kg/m^3) 1.464E-05 KinVisc - Kinematic air viscosity (m^2/s) 335 SpdSound - Speed of sound (m/s) ====== Blade-Element/Momentum Theory Options ====================================================== [used only when WakeMod=1] 1 SkewMod - Type of skewed-wake correction model (switch) {1=uncoupled, 2=Pitt/Peters, 3=coupled} [used only when WakeMod=1] False TipLoss - Use the Prandtl tip-loss model? (flag) [used only when WakeMod=1] False HubLoss - Use the Prandtl hub-loss model? (flag) [used only when WakeMod=1] False TanInd - Include tangential induction in BEMT calculations? (flag) [used only when WakeMod=1] False AIDrag - Include the drag term in the axial-induction calculation? (flag) [used only when WakeMod=1] False TIDrag - Include the drag term in the tangential-induction calculation? (flag) [used only when WakeMod=1 and TanInd=TRUE] "Default" IndToler - Convergence tolerance for BEMT nonlinear solve residual equation {or "default"} (-) [used only when WakeMod=1] 100 MaxIter - Maximum number of iteration steps (-) [used only when WakeMod=1] ====== Beddoes-Leishman Unsteady Airfoil Aerodynamics Options ===================================== [used only when AFAeroMod=2] 3 UAMod - Unsteady Aero Model Switch (switch) {1=Baseline model (Original), 2=Gonzalez’s variant (changes in Cn,Cc,Cm), 3=Minemma/Pierce variant (changes in Cc and Cm)} [used only when AFAeroMod=2] True FLookup - Flag to indicate whether a lookup for f' will be calculated (TRUE) or whether best-fit exponential equations will be used (FALSE); if FALSE S1-S4 must be provided in airfoil input files (flag) [used only when AFAeroMod=2] ====== Airfoil Information ========================================================================= 1 InCol_Alfa - The column in the airfoil tables that contains the angle of attack (-) 2 InCol_Cl - The column in the airfoil tables that contains the lift coefficient (-) 3 InCol_Cd - The column in the airfoil tables that contains the drag coefficient (-) 4 InCol_Cm - The column in the airfoil tables that contains the pitching-moment coefficient; use zero if there is no Cm column (-) 0 InCol_Cpmin - The column in the airfoil tables that contains the Cpmin coefficient; use zero if there is no Cpmin column (-) 8 NumAFfiles - Number of airfoil files used (-) "Airfoils/Cylinder1.dat" AFNames - Airfoil file names (NumAFfiles lines) (quoted strings) "Airfoils/Cylinder2.dat" "Airfoils/DU40_A17.dat" "Airfoils/DU35_A17.dat" "Airfoils/DU30_A17.dat" "Airfoils/DU25_A17.dat" "Airfoils/DU21_A17.dat" "Airfoils/NACA64_A17.dat" ====== Rotor/Blade Properties ===================================================================== True UseBlCm - Include aerodynamic pitching moment in calculations? (flag) "NRELOffshrBsline5MW_AeroDyn_blade.dat" ADBlFile(1) - Name of file containing distributed aerodynamic properties for Blade #1 (-) "NRELOffshrBsline5MW_AeroDyn_blade.dat" ADBlFile(2) - Name of file containing distributed aerodynamic properties for Blade #2 (-) [unused if NumBl < 2] "NRELOffshrBsline5MW_AeroDyn_blade.dat" ADBlFile(3) - Name of file containing distributed aerodynamic properties for Blade #3 (-) [unused if NumBl < 3] ====== Tower Influence and Aerodynamics ============================================================= [used only when TwrPotent/=0, TwrShadow=True, or TwrAero=True] 12 NumTwrNds - Number of tower nodes used in the analysis (-) [used only when TwrPotent/=0, TwrShadow=True, or TwrAero=True] TwrElev TwrDiam TwrCd (m) (m) (-) 0.0000000E+00 6.0000000E+00 1.0000000E+00 8.5261000E+00 5.7870000E+00 1.0000000E+00 1.7053000E+01 5.5740000E+00 1.0000000E+00 2.5579000E+01 5.3610000E+00 1.0000000E+00 3.4105000E+01 5.1480000E+00 1.0000000E+00 4.2633000E+01 4.9350000E+00 1.0000000E+00 5.1158000E+01 4.7220000E+00 1.0000000E+00 5.9685000E+01 4.5090000E+00 1.0000000E+00 6.8211000E+01 4.2960000E+00 1.0000000E+00 7.6738000E+01 4.0830000E+00 1.0000000E+00 8.5268000E+01 3.8700000E+00 1.0000000E+00 8.7600000E+01 3.8700000E+00 1.0000000E+00 ====== Outputs ==================================================================================== True SumPrint - Generate a summary file listing input options and interpolated properties to ".AD.sum"? (flag) 0 NBlOuts - Number of blade node outputs [0 - 9] (-) 1, 9, 19 BlOutNd - Blade nodes whose values will be output (-) 0 NTwOuts - Number of tower node outputs [0 - 9] (-) 1, 2, 6 TwOutNd - Tower nodes whose values will be output (-) OutList - The next line(s) contains a list of output parameters. See OutListParameters.xlsx for a listing of available output channels, (-) END of input file (the word "END" must appear in the first 3 columns of this last OutList line) ---------------------------------------------------------------------------------------