NREL Forum

Topic	Replies	Views	Activity
Welcome to Discourse-Based Wind & Water Forum News and Announcements 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…	9	6546	February 2, 2022
Requesting access to our forum Forum Access Requests (READ THIS FIRST) Note: these rules apply only to accounts on this forum. They do not apply to accounts on other websites. Before creating a user account, please note our community rules: Community Rules. There are two steps to creating…	4	3945	February 2, 2022
Wind Speed Estimator (ROSCO) Controls	4	21	January 23, 2026
Comparing model results from OpenFAST v3.5.3 and v4.1.2 Computer-Aided Engineering Software Tools	3	19	January 23, 2026
Dynamic external loading on the turbine Rotor Aerodynamics	1	8	January 23, 2026
Standalone AeroDyn Inputs/Outputs Rotor Aerodynamics	7	24	January 22, 2026
Linearization OpenFAST Region 2 Computer-Aided Engineering Software Tools	27	1517	January 21, 2026
Tower strike while using the latest OpenFAST version in IEA 15MW model Computer-Aided Engineering Software Tools	15	78	January 20, 2026
No EXE file appears when building Computer-Aided Engineering Software Tools	2	28	January 20, 2026
The Rayleigh damping coefficient of the tower structure of the wind turbine Structural Analysis	4	236	January 19, 2026
FAST.Farm Output Wind Farm Modeling	17	125	January 16, 2026
Blade and rotor mass in moment and loads calculations Computer-Aided Engineering Software Tools	1	12	January 15, 2026
Linearization at a standstill Structural Analysis	3	15	January 15, 2026
Aerodynamic center offset effects on blade torsion Structural Analysis	10	1320	January 13, 2026
Modeling Flexibility of Large Floating Platforms with SubDyn Structural Analysis	1	14	January 13, 2026
Unsteady and Dynamic Co-simulation with Simulink for Turbine with Passive Blade-Pitch Controls	1	15	January 13, 2026
Superimpose DELs weighted on different lifetime Structural Analysis	11	4143	January 7, 2026
Issues related to the Blade Element Momentum (BEM) theory Rotor Aerodynamics	8	194	January 7, 2026
IEA 15MW Thrust mismatch between libdiscon.dll and Discon.dll Rotor Aerodynamics	5	225	January 6, 2026
BeamDyn questions Structural Analysis	1	16	January 5, 2026
MLife Fatigue DEL Calculation Computer-Aided Engineering Software Tools	58	28592	January 5, 2026
FAST & HydroDyn questions Computer-Aided Engineering Software Tools	11	6132	January 4, 2026
NREL 5MW controls (DLL interface) Computer-Aided Engineering Software Tools	29	30755	January 3, 2026
OpenFAST aborts after long simulation – Mach number exceeds 1 for a specific seed Computer-Aided Engineering Software Tools	1	14	January 2, 2026
Query on Dominant Physical Frequencies for Preserving Platform–Mooring Dynamics Computer-Aided Engineering Software Tools	2	24	January 2, 2026
IEA 15MW TE Reiniforcement Airfoils	4	72	December 31, 2025
Calculate Fatigue Damage from 6 DEL Outputs in NREL 5MW Simulation at 10m/s Wind Speed? Structural Analysis	1	32	December 26, 2025
Large Pitch/Roll in Multi-Body Model Computer-Aided Engineering Software Tools	5	54	December 23, 2025
Creating u, v, and w files using TurbSim Inflow Turbulence	9	137	December 22, 2025
TwrBsMxt and TwrBsFxt for FAST 7 and FAST 8 not equal Structural Analysis	4	2753	December 17, 2025

Welcome to Discourse-Based Wind & Water Forum

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…

9

6546

February 2, 2022

Requesting access to our forum

Forum Access Requests (READ THIS FIRST)

Note: these rules apply only to accounts on this forum. They do not apply to accounts on other websites. Before creating a user account, please note our community rules: Community Rules. There are two steps to creating…