General Topics of general, but wind-related interest. ORBIT and Cost Modeling What is this forum? This forum is for discussion related to the Offshore Renewables Balance of system and Installation Tool (ORBIT) and related cost modeling. ORBIT is freely available here: wisdem.github.io/ORBIT. Structural Analysis Discuss theory and modeling of wind-turbine structures. Instrumentation Discuss measurement instrumentation development AeroDyn Development This forum is dedicated to discussions of the redevelopment of AeroDyn. U.S. Standards AWEA Road-Mapping U.S. Standards to International Standards UAE Phase VI Data This forum is for discussion of the data from Phase VI of the Unsteady Aerodynamics Experiment Gearbox Reliability Collaborative GRC Round Robin SWiFT Benchmarks This forum is for discussion of the SWiFT benchmarks under IEA Wind Task 31 WakeBench Inflow Turbulence Discuss the effects of turbulence on wind turbines and its simulation. Wind Farm Modeling This forum discusses modeling of wind farms and wake interaction. Rotor Aerodynamics Discuss the theory and modeling of rotor aerodynamics. Wave Energy Discuss wave-energy device design and modeling Testing Discuss field testing of turbines and structural testing of components. Materials Discuss material properties, analysis, and testing. Airfoils Discuss acquisition, use, and manipulation of airfoil data. NWTC Wind Data Discussion of meteorological data. Systems Engineering Software Tools Provide feedback, request enhancements, and get help with wind energy systems engineering tools. Answers to Frequently Asked Questions (FAQ) Answers to some of the most frequently asked questions can be found here. FLORIS This forum is for discussion of FLORIS WIND Toolkit This forum is for discussion of the WIND Toolkit Furling Discuss furling in small wind turbines. News and Announcements Announcements of new or updated CAE and systems engineering software tools, upcoming and past modeling workshops, and other news. Tidal Current Discuss tidal-current device design and modeling Controls This forum if for discussing controls. Questions about how to implement controls in FAST are more appropriate to the CAE Tools forum. Forum Access Requests (READ THIS FIRST) Information on accessing our forums. Computer-Aided Engineering Software Tools Provide feedback, request enhancements, and get help with wind-turbine computer-aided engineering tools.