New Modularization Framework for the FAST Wind Turbine CAE Tool: Preprint

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NREL has recently put considerable effort into improving the overall modularity of its FAST wind turbine aero-hydro-servo-elastic tool to (1) improve the ability to read, implement, and maintain source code; (2) increase module sharing and shared code development across the wind community; (3) improve numerical performance and robustness; and (4) greatly enhance flexibility and expandability to enable further developments of functionality without the need to recode established modules. The new FAST modularization framework supports module-independent inputs, outputs, states, and parameters; states in continuous-time, discrete-time, and in constraint form; loose and tight coupling; independent time and spatial discretizations; time marching, operating-point ... continued below

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28 p.

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Jonkman, J. January 1, 2013.

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NREL has recently put considerable effort into improving the overall modularity of its FAST wind turbine aero-hydro-servo-elastic tool to (1) improve the ability to read, implement, and maintain source code; (2) increase module sharing and shared code development across the wind community; (3) improve numerical performance and robustness; and (4) greatly enhance flexibility and expandability to enable further developments of functionality without the need to recode established modules. The new FAST modularization framework supports module-independent inputs, outputs, states, and parameters; states in continuous-time, discrete-time, and in constraint form; loose and tight coupling; independent time and spatial discretizations; time marching, operating-point determination, and linearization; data encapsulation; dynamic allocation; and save/retrieve capability. This paper explains the features of the new FAST modularization framework, as well as the concepts and mathematical background needed to understand and apply it correctly. It is envisioned that the new modularization framework will transform FAST into a powerful, robust, and flexible wind turbine modeling tool with a large number of developers and a range of modeling fidelities across the aerodynamic, hydrodynamic, servo-dynamic, and structural-dynamic components.

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28 p.

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  • Report No.: NREL/JA-5000-57228
  • Grant Number: AC36-08GO28308
  • Office of Scientific & Technical Information Report Number: 1068607
  • Archival Resource Key: ark:/67531/metadc836315

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  • January 1, 2013

Added to The UNT Digital Library

  • May 19, 2016, 9:45 a.m.

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  • April 4, 2017, 3:51 p.m.

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Jonkman, J. New Modularization Framework for the FAST Wind Turbine CAE Tool: Preprint, article, January 1, 2013; Golden, Colorado. (digital.library.unt.edu/ark:/67531/metadc836315/: accessed August 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.