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UTD IEA 15 MW Blade Model

• The UTD IEA 15 MW blade model created by Griffith's group is contained in this repository.
• The UTD IEA 15 MW blade model was created using the modeling tool NuMAD v2.0 based on the original open-source IEA 15 MW reference wind turbine blade design. The UTD IEA 15 MW blade model was created to increase the body of knowledge on large-scale wind turbines and provide one more resource to the wind energy community that can be used as reference for future studies.
• Detailed documentation of the blade structure and baseline structural analysis of the UTD IEA 15 MW blade model was presented at the AIAA SciTech 2023 conference. The conference paper and a video presentation can be accessed here https://arc.aiaa.org/doi/10.2514/6.2023-2093.
• Please see the GitHub Repo Citation and Conference Paper Citation sections below for the appropriate citation for this work.

Repo Contents

The following summarizes the contents in this repo:

• NuMAD model:
  • NuMAD_utd_iea15mw.xlsx : Primary input file for NuMAD v2.0 spreadsheet that contains the blade model data (detailed geometry, materials, layup information, and bill of materials summary).
  • utd_iea15mw.nmd : NuMAD model file using NuMAD v2.0 with input from the NuMAD_utd_iea15ms.xlsx spreadsheet.
  • MatDBsi.txt : NuMAD materials database containing the material and laminate property information.
  • "airfoils" folder : Contains set of files with the NuMAD airfoil geometry coordinates used to model the blade.
• Useful output files:
  • shell7.src : ANSYS input file generated by NuMAD to create a finite element model of the blade.
    • The ANSYS input file requires three additional macros of the NuMAD tool. You can download them from here NuMAD v2.0 ANSYS macros.
  • utd_iea15mw.p3d : Blade external geometry file in Plot 3D file format.
  • utd_iea15mw.iges : Blade external geometry exported from ANSYS for CAD modeling. Contains surfaces of the outer moldline of the blade and shear webs.
  • utd_iea15mw_ElastoDynBlade_ratedrpm.dat: OpenFAST ElastoDyn blade file with mode shapes at rated rpm.
• Additional outputs from PreComp and BModes:
  • PreComp_SectionData.mat : Output MATLAB structure that contains a full set of cross-sectional blade properties generated by PreComp.
  • bmodes_0rpm.out : BModes output file that contains the blade frequencies and mode shapes for parked conditions (0 rpm).

Conference Paper Contents

The conference paper contains the following:

• Methodology:
  • Blade model creation and analysis process.
  • Design and analysis software.
  • Conversion of blade model from WISDEM to NuMAD.
• Blade characteristics:
  • Visualization of blade model and distributed properties.
  • Blade mass and bill of materials (BOM).
  • Modal properties.
• Detailed structural analysis:
  • Design load case (DLC) analysis.
  • Baseline structural analysis: Deflection, strength, fatigue, buckling, and flutter.
  • Blade model score card.

Point of Contact

• Alejandra S. Escalera Mendoza: ase180001@utdallas.edu
• D. Todd Griffith: tgriffith@utdallas.edu

GitHub Repo Citation

If you use this model in your research or publications, please cite using the following:

@misc{github_utd_iea15mwblade_v1,
title = {UTD-IEA15MWBlade},
author = {Escalera Mendoza, Alejandra S. and Mishra, Ipsita and Griffith, D. Todd},
doi = {10.5281/zenodo.7392283},
version = {1.0.0},
month = {12},
year = {2022},
url = {https://github.com/UTDGriffithLab/UTD-IEA15MWBlade},
}

Conference Paper Citation

Please use the following for citing the conference paper that details the development of the UTD IEA 15 MW blade model and its detailed baseline structural analysis:

Escalera Mendoza, A.S., Mishra, I., Griffith, D.T., "An Open-Source NuMAD Model for the IEA 15 MW Blade with Baseline Structural Analysis," AIAA Scitech 2023 Forum, American Institute of Aeronautics and Astronautics, National Harbor, Maryland, 2023.

@inproceedings{UTD_IEA15MW_blademodel,
title = {{An Open-Source NuMAD Model for the IEA 15 MW Blade with Baseline Structural Analysis}},
author = {Escalera Mendoza, Alejandra Stefania and Mishra, Ipsita and Griffith, D. Todd},
publisher = {American Institute of Aeronautics and Astronautics},
booktitle = {{AIAA} {Scitech} 2023 {Forum}},
address = {National Harbor, Maryland},
doi = {https://doi.org/10.2514/6.2023-2093},
month = jan,
year = {2023}
}