************************************************************************************************** OpenFAST Copyright (C) 2021 National Renewable Energy Laboratory Copyright (C) 2021 Envision Energy USA LTD 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-v3.0.0 Compile Info: - Compiler: Intel(R) Fortran Compiler 1900 - Architecture: 64 bit - Precision: single - OpenMP: No - Date: Jun 23 2021 - Time: 21:25:05 Execution Info: - Date: 08/03/2021 - Time: 15:11:10+0100 OpenFAST input file heading: FAST Certification Test #24: NREL 5.0 MW Baseline Wind Turbine with OC3 Hywind Configuration, for use in offshore analysis Running ElastoDyn. Nodal outputs section of ElastoDyn input file not found or improperly formatted. Running AeroDyn. AD15 Nodal Outputs: Nodal output section of AeroDyn input file not found or improperly formatted. Skipping nodal outputs. Warning: Turning off Unsteady Aerodynamics because C_nalpha is 0. (node 1, blade 1) Warning: Turning off Unsteady Aerodynamics because C_nalpha is 0. (node 2, blade 1) Warning: Turning off Unsteady Aerodynamics because C_nalpha is 0. (node 3, blade 1) Warning: Turning off Unsteady Aerodynamics because C_nalpha is 0. (node 4, blade 1) Warning: Turning off Unsteady Aerodynamics because C_nalpha is 0. (node 1, blade 2) Warning: Turning off Unsteady Aerodynamics because C_nalpha is 0. (node 2, blade 2) Warning: Turning off Unsteady Aerodynamics because C_nalpha is 0. (node 3, blade 2) Warning: Turning off Unsteady Aerodynamics because C_nalpha is 0. (node 4, blade 2) Warning: Turning off Unsteady Aerodynamics because C_nalpha is 0. (node 1, blade 3) Warning: Turning off Unsteady Aerodynamics because C_nalpha is 0. (node 2, blade 3) Warning: Turning off Unsteady Aerodynamics because C_nalpha is 0. (node 3, blade 3) Warning: Turning off Unsteady Aerodynamics because C_nalpha is 0. (node 4, blade 3) Running InflowWind. Reading a 31x31 grid (145 m wide, 17.5 m to 162.5 m above ground) with a characteristic wind speed of 12 m/s. This full-field file was generated by TurbSim (v2.00.07a-bjj, 14-Jun-2016) on 26-Jul-2021 at 15:18:48. Processed 12600 time steps of 20-Hz full-field data (period of 630 seconds). Running ServoDyn. Running ServoDyn Interface for Bladed Controllers (using Intel Visual Fortran for Windows, ). Using legacy Bladed DLL interface. Running HydroDyn. Generating incident wave kinematics and current time history. MAP++ environment properties (set externally)... Gravity constant [m/s^2] : 9.81 Sea density [kg/m^3] : 1025.00 Water depth [m] : 320.00 Vessel reference position [m] : 0.00 , 0.00 , 0.00 Time: 0 of 300 seconds. FAST_Solution0:CalcOutputs_And_SolveForInputs:SolveOption2:SrvD_CalcOutput:DLL_controller_call:Run ning with torque and pitch control of the NREL offshore 5MW baseline wind turbine from DISCON.dll as written by J. Jonkman of NREL/NWTC for use in the IEA Annex XXIII OC3 studies. Includes modifications for the Hywind spar. FAST_Solution:FAST_AdvanceStates:SrvD_UpdateStates:DLL_controller_call:BladedInterface option was designed for an explicit-loose coupling scheme. Using last calculated values from DLL on all subsequent calls until time is advanced. Warning will not be displayed again. Time: 200 of 300 seconds. Estimated final completion at 15:14:33. FAST_Solution:CalcOutputs_And_SolveForInputs:SolveOption2:RotCalcOutput:BEMT_CalcOutput(node 5, blade 2):UA_CalcOutput:UA_BlendSteady:Temporarily turning off UA due to high angle of attack or low relative velocity. This warning will not be repeated though the condition may persist. Time: 203 of 300 seconds. Estimated final completion at 15:14:25. The BEM solution is being turned off due to low TSR. (TSR = 0.84524). This warning will not be repeated though the condition may persist. (See GeomPhi output channel.) FAST_Solution:CalcOutputs_And_SolveForInputs:SolveOption2:RotCalcOutput:BEMT_CalcOutput(node 17, blade 1):UA_CalcOutput:Mach number exceeds 0.3. Theory is invalid. This warning will not be repeated though the condition may persist. FAST_Solution:CalcOutputs_And_SolveForInputs:SolveOption2:RotCalcOutput:BEMT_CalcOutput(node 8, blade 3):UA_CalcOutput:Mach number exceeds 1.0. Equations cannot be evaluated. OpenFAST encountered an error at simulation time 203.64 of 300 seconds. Simulation error level: FATAL ERROR