Sir,
When I tried to run openfast on command prompt window openfast didn’t run and showed an error message that reinstalling the code may solve the problem. Then I changed my work file directory and tried to run it. And I again got this error.
C:\Users\Bhargav>E:\softwares\Project\openfast\offshore\openfast_x64.exe E:\softwares\Project\openfast\offshore\5MW_OC3Mnpl_DLL_WTurb_WavesIrr.fst
OpenFAST
Copyright (C) National Renewable Energy Laboratory
This program is licensed under Apache License Version 2.0 and comes with ABSOLUTELY NO WARRANTY.
See the “LICENSE” file distributed with this software for details.
OpenFAST-v1.0.0-dirty
Compile Info:
- Architecture: 64 bit
- Precision: single
Execution Info: - Date: 04/13/2020
- Time: 20:24:35+0530
OpenFAST input file heading:
FAST Certification Test #19: NREL 5.0 MW Baseline Wind Turbine with OC3 Monopile RF
Configuration, for use in offshore analysis
Running ElastoDyn.
Running AeroDyn.
FAST_InitializeAll:AD_Init:ReadInputFiles:ReadPrimaryFile:Invalid logical input for file
"E:/softwares/Project/openfast/offshore/5MW_Baseline/NRELOffshrBsline5MW_OC3Monopile_AeroDyn15.dat
" occurred while trying to read TipLoss.
ReadPrimaryFile:Invalid numerical input for file
"E:/softwares/Project/openfast/offshore/5MW_Baseline/NRELOffshrBsline5MW_OC3Monopile_AeroDyn15.dat
" occurred while trying to read IndToler.
ReadPrimaryFile:Invalid numerical input for file
"E:/softwares/Project/openfast/offshore/5MW_Baseline/NRELOffshrBsline5MW_OC3Monopile_AeroDyn15.dat
" occurred while trying to read MaxIter.
FAST encountered an error during module initialization.
Simulation error level: FATAL ERROR
Aborting OpenFAST.
And the Aerodyn input file I used was
------- AERODYN v15 for OpenFAST INPUT FILE -----------------------------------------------
NREL 5.0 MW offshore baseline aerodynamic input properties, with OC3 Monopile tower
====== General Options ============================================================================
True 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, 2=DBEMT} [WakeMod cannot be 2 when linearizing]
2 AFAeroMod - Type of blade airfoil aerodynamics model (switch) {1=steady model, 2=Beddoes-Leishman unsteady model} [AFAeroMod must be 1 when linearizing]
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)
False FrozenWake - Assume frozen wake during linearization? (flag) [used only when WakeMod=1 and when linearizing]
False CavitCheck - Perform cavitation check? (flag) [AFAeroMod must be 1 when CavitCheck=true]
====== 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)
103500 Patm - Atmospheric pressure ¶ [used only when CavitCheck=True]
1700 Pvap - Vapour pressure of fluid ¶ [used only when CavitCheck=True]
0.5 FluidDepth - Water depth above mid-hub height (m) [used only when CavitCheck=True]
====== Blade-Element/Momentum Theory Options ====================================================== [unused when WakeMod=0]
2 SkewMod - Type of skewed-wake correction model (switch) {1=uncoupled, 2=Pitt/Peters, 3=coupled} [unused when WakeMod=0]
“default” SkewModFactor - Constant used in Pitt/Peters skewed wake model {or “default” is 15/32*pi} (-) [used only when SkewMod=2; unused when WakeMod=0]
True TipLoss - Use the Prandtl tip-loss model? (flag) [unused when WakeMod=0]
True HubLoss - Use the Prandtl hub-loss model? (flag) [unused when WakeMod=0]
true TanInd - Include tangential induction in BEMT calculations? (flag) [unused when WakeMod=0]
False AIDrag - Include the drag term in the axial-induction calculation? (flag) [unused when WakeMod=0]
False TIDrag - Include the drag term in the tangential-induction calculation? (flag) [unused when WakeMod=0 or TanInd=FALSE]
“Default” IndToler - Convergence tolerance for BEMT nonlinear solve residual equation {or “default”} (-) [unused when WakeMod=0]
100 MaxIter - Maximum number of iteration steps (-) [unused when WakeMod=0]
====== Dynamic Blade-Element/Momentum Theory Options ============================================== [used only when WakeMod=2]
2 DBEMT_Mod - Type of dynamic BEMT (DBEMT) model {1=constant tau1, 2=time-dependent tau1} (-) [used only when WakeMod=2]
4 tau1_const - Time constant for DBEMT (s) [used only when WakeMod=2 and DBEMT_Mod=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 AFTabMod - Interpolation method for multiple airfoil tables {1=1D interpolation on AoA (first table only); 2=2D interpolation on AoA and Re; 3=2D interpolation on AoA and UserProp} (-)
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 (-)
“E:/softwares/Project/openfast/offshore/5MW_Baseline/Airfoils/Cylinder1.dat” AFNames - Airfoil file names (NumAFfiles lines) (quoted strings)
“E:/softwares/Project/openfast/offshore/5MW_Baseline/Airfoils/Cylinder2.dat”
“E:/softwares/Project/openfast/offshore/5MW_Baseline/Airfoils/DU40_A17.dat”
“E:/softwares/Project/openfast/offshore/5MW_Baseline/Airfoils/DU35_A17.dat”
“E:/softwares/Project/openfast/offshore/5MW_Baseline/Airfoils/DU30_A17.dat”
“E:/softwares/Project/openfast/offshore/5MW_Baseline/Airfoils/DU25_A17.dat”
“E:/softwares/Project/openfast/offshore/5MW_Baseline/Airfoils/DU21_A17.dat”
“E:/softwares/Project/openfast/offshore/5MW_Baseline/Airfoils/NACA64_A17.dat”
====== Rotor/Blade Properties =====================================================================
True UseBlCm - Include aerodynamic pitching moment in calculations? (flag)
“E:/softwares/Project/openfast/offshore/5MW_Baseline/NRELOffshrBsline5MW_AeroDyn_blade.dat” ADBlFile(1) - Name of file containing distributed aerodynamic properties for Blade #1 (-)
“E:/softwares/Project/openfast/offshore/5MW_Baseline/NRELOffshrBsline5MW_AeroDyn_blade.dat” ADBlFile(2) - Name of file containing distributed aerodynamic properties for Blade #2 (-) [unused if NumBl < 2]
“E:/softwares/Project/openfast/offshore/5MW_Baseline/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]
11 NumTwrNds - Number of tower nodes used in the analysis (-) [used only when TwrPotent/=0, TwrShadow=True, or TwrAero=True]
TwrElev TwrDiam TwrCd
(m) (m) (-)
1.0000000E+01 6.0000000E+00 1.0000000E+00
1.7760000E+01 5.7870000E+00 1.0000000E+00
2.5520000E+01 5.5740000E+00 1.0000000E+00
3.3280000E+01 5.3610000E+00 1.0000000E+00
4.1040000E+01 5.1480000E+00 1.0000000E+00
4.8800000E+01 4.9350000E+00 1.0000000E+00
5.6560000E+01 4.7220000E+00 1.0000000E+00
6.4320000E+01 4.5090000E+00 1.0000000E+00
7.2080000E+01 4.2960000E+00 1.0000000E+00
7.9840000E+01 4.0830000E+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] (-)
2, 9, 16, 4, 5, 7, 11, 13, 14 BlOutNd - Blade nodes whose values will be output (-)
0 NTwOuts - Number of tower node outputs [0 - 9] (-)
1, 2, 3, 4, 5 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, (-)
“RtAeroFxh, RtAeroFyh, RtAeroFzh”
“RtAeroMxh, RtAeroMyh, RtAeroMzh”
END of input file (the word “END” must appear in the first 3 columns of this last OutList line)
And Aerodyn echo file I got was
This file of echoed input was generated by AeroDyn on 13-Apr-2020 at 20:24:36.
Data from AeroDyn primary input file “E:/softwares/Project/openfast/offshore/5MW_Baseline/NRELOffshrBsline5MW_OC3Monopile_AeroDyn15.dat”:
FTitle - File Header: File Description (line 2)
“NREL 5.0 MW offshore baseline aerodynamic input properties, with OC3 Monopile tower”
T Echo - Echo flag
DTAero - Time interval for aerodynamic calculations {or default} (s)
“default”
1 WakeMod - Type of wake/induction model {0=none, 1=BEMT} (-)
2 AFAeroMod - Type of airfoil aerodynamics model {1=steady model, 2=Beddoes-Leishman unsteady model} (-)
1 TwrPotent - Type tower influence on wind based on potential flow around the tower {0=none, 1=baseline potential flow, 2=potential flow with Bak correction} (-)
F TwrShadow - Calculate tower influence on wind based on downstream tower shadow? (flag)
T TwrAero - Calculate tower aerodynamic loads? (flag)
F FrozenWake - Assume frozen wake during linearization? (flag)
F CavitCheck - Perform cavitation check? (flag)
1.2250E+00 AirDens - Air density (kg/m^3)
1.4640E-05 KinVisc - Kinematic air viscosity (m^2/s)
3.3500E+02 SpdSound - Speed of sound (m/s)
1.0350E+05 Patm - Atmospheric pressure ¶
1.7000E+03 Pvap - Vapour pressure of fluid ¶
5.0000E-01 FluidDepth - Water depth above mid-hub height (MHK only, for cavitation check) (m)
2 SkewMod - Type of skewed-wake correction model {1=uncoupled, 2=Pitt/Peters, 3=coupled} [used only when WakeMod=1] (-)
T HubLoss - Use the Prandtl hub-loss model? [used only when WakeMod=1] (flag)
T TanInd - Include tangential induction in BEMT calculations? [used only when WakeMod=1] (flag)
T AIDrag - Include the drag term in the axial-induction calculation? [used only when WakeMod=1] (flag)
F TIDrag - Include the drag term in the tangential-induction calculation? [used only when WakeMod=1 and TanInd=TRUE] (flag)
IndToler - Convergence tolerance for BEM induction factors [used only when WakeMod=1] (-)
“False”
And in echo file tiploss was missing and IndToler was set as False. But in Aerodyn file it was set as default.