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2 results for “NASTRAN”
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> was funded by the Federal Ministry for Economic Affairs and Energy (BMWi) under the Funding number: 0324032.</p> <p>The reference finite element model in which this dataset is based upon consists of a validated wind turbine blade model for this 20-meters 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 dataset includes four finite element models of the SmartBlades 2.0 Rotor Blade, described below. All input files "*.bdf" were used in MSC Nastran version 2018.2 to generate the output files "*.h5".</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> </li> </ul> <table> <caption>General data of the blade (from <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 m²</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> </p>
pCRM9 aeroelastic aircraft wing model for NASTRAN without RBE2
<p><strong>pCRM9 aeroelastic aircraft wing model for NASTRAN without RBE2</strong></p> <p>Based on the model published by Paul LANCELOT from Delft University of Technology, Faculty of Aerospace Engineering, Department of Aerospace Structures and Materials</p> <blockquote> <p>Lancelot, Paul (2021): pCRM9 aeroelastic aircraft wing model for NASTRAN. 4TU.ResearchData. Dataset. DOI: <a href="https://doi.org/10.4121/16834387.v1 ">10.4121/16834387.v1 </a></p> </blockquote> <p> </p> <p>Modified by: Saullo G. P. Castro removing RBE2 elements and the input related to the aeroelastic analysis.</p> <p>Delft University of Technology, Faculty of Aerospace Engineering, Department of Aerospace Structures and Materials</p> <p> </p> <p>Contact Information:</p> <p>s.g.p.castro@tudelft.nl</p> <p>Delft University of Technology - Faculty of Aerospace Engineering</p> <p>Kluyverweg 1, 2629HS Delft, The Netherlands</p> <p> </p> <p><strong>General Introduction</strong></p> <p><br> This is the pCRM9 aeroelastic finite element model.</p> <p>It is based on the University of Michigan undeflected CRM geometry:</p> <blockquote> <p>Brooks, Timothy; Kenway, Gaetan G.W.; Martins, Joaquim (2019), “uCRM: undeflected Common Research Model”, Mendeley Data, V1, DOI: <a href="https://doi.org/10.17632/gpk4zn73xn.1">10.17632/gpk4zn73xn.1</a></p> </blockquote> <p> </p> <p>This FEM model is tailored for optimisation and load analysis using NASTRAN.</p> <p><strong>Content</strong></p> <p>pCRM9_103_MAIN_FILE.bdf is the main file to run the analysis with NASTRAN SOL103, natural frequency solution.<br> pCRM9_CONM2_MTOW.dat contains the weigth and balance informations of the model.<br> pCRM9_mat.dat contains the material informtions of the model (in this case aluminium).<br> pCRM9_model_2.dat contains the finite elements informations of the model (GRID, CQUAD, RBE cards etc.).<br> pCRM9_PSHELL.dat contains the mechanical propeties for each elements of the model.<br> pCRM9_ribs_fem.dat contains the finite elements informations relative to the ribs of the wingbox.<br> pCRM9_FEM_model.PNG is an illustration of the structural model.</p> <p> </p>
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