SmartBlades 2.0 Rotor Blade Nastran Models

<p>The <a href="https://www.iwes.fraunhofer.de/en/research-projects/finished-projects-2020/smart-blades-2.html">SmartBlades 2.0 project</a>&nbsp;was funded by the&nbsp;Federal Ministry for Economic Affairs and Energy (BMWi) under the&nbsp;Funding number: 0324032.</p> <p>The reference finite element model in which this dataset is based upon consists of a&nbsp;validated wind turbine blade model for this 20-meters&nbsp;blade:</p> <blockquote> <p>Christian Willberg. (2020). Smartblades 2 finite element reference wind turbine blade model (1.1) [Data set]. Zenodo. <a href="http://doi.org/10.5281/zenodo.4604693">https://doi.org/10.5281/zenodo.4604693</a></p> </blockquote> <p>This&nbsp;dataset includes four finite element models of the SmartBlades 2.0 Rotor Blade, described below. All input files &quot;*.bdf&quot; were used in&nbsp;MSC Nastran version 2018.2 to generate the output files &quot;*.h5&quot;.</p> <p>1) SmartBlades2 Rotor Blade Model V02 Topology Update</p> <p><a href="http://doi.org/10.5281/zenodo.4604693">Willberg, C. model</a> updated with topology features in the trailing edge, and spar-web joint regions. Including additional strucutral and test sensor masses, and refined mesh of 50mm element size.</p> <p>1A) Model incorporating a clamped root boundary condition and test sensor masses:</p> <ul> <li>Input: <a href="https://zenodo.org/record/5729717/files/SmartBlades2_Rotor_Blade_Nastan_Model_V02-Topology_Update-Root_Clamped.bdf">SmartBlades2_Rotor_Blade_Nastan_Model_V02-Topology_Update-Root_Clamped.bdf</a></li> <li>Output: <a href="http://zenodo.org/record/5729717/files/SmartBlades2_Rotor_Blade_Nastan_Model_V02-Topology_Update-Root_Clamped.h5">SmartBlades2_Rotor_Blade_Nastan_Model_V02-Topology_Update-Root_Clamped.h5</a></li> </ul> <p>1B) Model incorporating a free-free boundary condition:</p> <ul> <li>Input: <a href="http://zenodo.org/record/5729717/files/SmartBlades2_Rotor_Blade_Nastan_Model_V02-Topology_Update-Free_Free.bdf">SmartBlades2_Rotor_Blade_Nastan_Model_V02-Topology_Update-Free_Free.bdf</a></li> <li>Output: <a href="http://zenodo.org/record/5729717/files/SmartBlades2_Rotor_Blade_Nastan_Model_V02-Topology_Update-Free_Free.h5">SmartBlades2_Rotor_Blade_Nastan_Model_V02-Topology_Update-Free_Free.h5</a></li> </ul> <p><br> 2) SmartBlades2 Rotor Blade Model V02b Sparweb Free Joint Variant</p> <p>The V02 Topology Update model including RBE2 connections along the spar-web joints with decoupled rotation in the spanwise axis.</p> <p>2A) Model incorporating a clamped root boundary condition and test sensor masses:</p> <ul> <li>Input: <a href="http://zenodo.org/record/5729717/files/SmartBlades2_Rotor_Blade_Nastan_Model_V02b-Sparweb_Free_Joint-Root_Clamped.bdf">SmartBlades2_Rotor_Blade_Nastan_Model_V02b-Sparweb_Free_Joint-Root_Clamped.bdf</a></li> <li>Output: <a href="http://zenodo.org/record/5729717/files/SmartBlades2_Ro tor_Blade_Nastan_Model_V02b-Sparweb_Free_Joint-Root_Clamped.h5">SmartBlades2_Ro tor_Blade_Nastan_Model_V02b-Sparweb_Free_Joint-Root_Clamped.h5</a></li> </ul> <p>2B) Model incorporating a free-free boundary condition:</p> <ul> <li>Input: <a href="http://zenodo.org/record/5729717/files/SmartBlades2_Rotor_Blade_Nastan_Model_V02b-Sparweb_Free_Joint-Free_Free.bdf">SmartBlades2_Rotor_Blade_Nastan_Model_V02b-Sparweb_Free_Joint-Free_Free.bdf</a></li> <li>Output: <a href="http://zenodo.org/record/5729717/files/SmartBlades2_Rotor_Blade_Nastan_Model_V02b-Sparweb_Free_Joint-Free_Free.h5">SmartBlades2_Rotor_Blade_Nastan_Model_V02b-Sparweb_Free_Joint-Free_Free.h5</a><br> &nbsp;</li> </ul> <table> <caption>General data of the blade (from&nbsp;<a href="https://elib.dlr.de/131955/1/AG_FVW_in_der_Windenergie_191024_Stueve.pdf">https://elib.dlr.de/131955/1/AG_FVW_in_der_Windenergie_191024_Stueve.pdf</a>)</caption> <tbody> <tr> <td>Diameter of the rotor</td> <td>46.61m</td> </tr> <tr> <td>Nominal rotational speed</td> <td>37.1 rpm</td> </tr> <tr> <td>Length of rotor blade</td> <td>19.99 m</td> </tr> <tr> <td>Maximum chord length</td> <td>2.38 m</td> </tr> <tr> <td>Max. pre-bend</td> <td>1 m</td> </tr> <tr> <td>Surface of main shell</td> <td>69.8 m&sup2;</td> </tr> <tr> <td>Blade nominal mass</td> <td> <p>Fiber mass (dry) 889.5 kg</p> <p>Infusion Resin 579.3 kg</p> <p>Bonding Resin 44 kg</p> <p>Other materials (e.g. Foam) 80.5 kg</p> <p>Extra masses (e.g. Sensors) 123.4 kg</p> <p>Total mass of the blade 17168 kg</p> </td> </tr> </tbody> </table> <p>&nbsp;</p>