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Welcome to the NREL’s Discourse-Based Wind & Water Forum! This forum is used to support the software and data provided by NREL’s wind and water programs. This forum replaces the old php-based NWTC forum previously host…

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4 536 February 2, 2022
TMD for OC3Hywind ServoDyn
2 38 May 19, 2022
IEA 15 MW on UMaine Semi-Sub Floater: Reason for Maximum Thrust Value in the Peak Shaver Routine
Controls
0 9 May 19, 2022
Extending the dimensions of matrices related to equation of motion
Computer-Aided Engineering Software Tools
14 2416 May 19, 2022
NWTC 135-m Turbine Inflow Towers data and MST time zone
NWTC Wind Data
2 16 May 18, 2022
Eigenanalysis FAST
Computer-Aided Engineering Software Tools
54 26632 May 18, 2022
FAST.Farm
General
343 65085 May 17, 2022
Linearization OpenFAST Region 2
Computer-Aided Engineering Software Tools
11 146 May 17, 2022
O&M Cost Model Used in Wisdem
Systems Engineering Software Tools
4 3557 May 17, 2022
Stress Analysis of Blades and a Tower
Structural Analysis
18 17999 May 13, 2022
MLife time to failure outputs for O&M modelling
Computer-Aided Engineering Software Tools
3 25 May 13, 2022
FAST: blade flexibility troubleshooting
Computer-Aided Engineering Software Tools
7 7693 May 13, 2022
MoorDyn Parallel computing (Matlab)
Structural Analysis
0 32 May 12, 2022
Tower strike with latest versions of OpenFAST and IEA 15MW
Computer-Aided Engineering Software Tools
40 257 May 12, 2022
Tower-top / yaw bearing inertia translational velocity
Computer-Aided Engineering Software Tools
5 2312 May 12, 2022
Help for generator of NREL 5MW Turbine
General
8 2510 May 11, 2022
Hydrostatic restoring forces and moments in Elastodyn
Computer-Aided Engineering Software Tools
3 34 May 11, 2022
Validation of linear model for IPC control
Controls
9 62 May 11, 2022
IEA-15MW Turbine - ROSCO Controller Oscillations
Computer-Aided Engineering Software Tools
9 3186 May 11, 2022
IEA-15MW Turbine - Loads and performance data for comparison
Computer-Aided Engineering Software Tools
10 2763 May 10, 2022
Generate mode shapes using BModes
Computer-Aided Engineering Software Tools
17 8393 February 19, 2021
Need help to explain spectral density plots of motion response of a FOWT
2 25 May 9, 2022
Airfoils (AeroDyn15) and AeroData (AeroDyn14) files
Airfoils
2 42 May 8, 2022
RNA Inertia FASTv7
Structural Analysis
7 3044 May 6, 2022
Wind speed estimate - ROSCO Kalman filter
7 197 May 5, 2022
openFAST v2.2.0 binearies
Computer-Aided Engineering Software Tools
17 4403 May 4, 2022
FAST_SFunc
Controls
15 3232 May 3, 2022
IEA 15 MW FOWT-Discrepancies in Tip-Speed Ratio and Blade Pitch Angle between Steady and Turbulent Wind Fields
Controls
12 77 May 2, 2022
Variable airfoils using the MulTabLoc USER function
Computer-Aided Engineering Software Tools
21 10242 May 2, 2022