Al-Haddad, L., Jaber, A., Ibraheem, L., Al-Haddad, S., Ibrahim, N., Abdulwahed, F. (2024). Enhancing Wind Tunnel Computational Simulations of Finite Element Analysis Using Machine Learning-Based Algorithms. Alustath, 42(1), 135-143. doi: 10.30684/etj.2023.142873.1552
Luttfi A. Al-Haddad; Alaa A. Jaber; Latif Ibraheem; Sinan A. Al-Haddad; Naseem S. Ibrahim; Fawaz M. Abdulwahed. "Enhancing Wind Tunnel Computational Simulations of Finite Element Analysis Using Machine Learning-Based Algorithms". Alustath, 42, 1, 2024, 135-143. doi: 10.30684/etj.2023.142873.1552
Al-Haddad, L., Jaber, A., Ibraheem, L., Al-Haddad, S., Ibrahim, N., Abdulwahed, F. (2024). 'Enhancing Wind Tunnel Computational Simulations of Finite Element Analysis Using Machine Learning-Based Algorithms', Alustath, 42(1), pp. 135-143. doi: 10.30684/etj.2023.142873.1552
Al-Haddad, L., Jaber, A., Ibraheem, L., Al-Haddad, S., Ibrahim, N., Abdulwahed, F. Enhancing Wind Tunnel Computational Simulations of Finite Element Analysis Using Machine Learning-Based Algorithms. Alustath, 2024; 42(1): 135-143. doi: 10.30684/etj.2023.142873.1552

Enhancing Wind Tunnel Computational Simulations of Finite Element Analysis Using Machine Learning-Based Algorithms

Engineering and Technology Journal
Article 10, Volume 42, Issue 1, January 2024, Pages 135-143    PDF (866.7 K)
Document Type: Research Paper
DOI: 10.30684/etj.2023.142873.1552
Authors
Luttfi A. Al-Haddad* 1; Alaa A. Jaber2; Latif Ibraheem3; Sinan A. Al-Haddad4; Naseem S. Ibrahim1; Fawaz M. Abdulwahed1
1Training and Workshops Center, University of Technology-Iraq, Alsina’a street, 10066 Baghdad, Iraq.
2Mechanical Engineering Dept., University of Technology-Iraq, Alsina’a street, 10066 Baghdad, Iraq.
3Mechanical Engineering Dept., Memorial University of Newfoundland, Newfoundland and Labrador, Canada.
4Civil Engineering Dept., University of Technology-Iraq, Alsina’a street, 10066 Baghdad, Iraq.
Abstract
Wind tunnels are essential for examining aircraft model aerodynamics, accurately simulating real-world conditions, and enhancing design and performance evaluations. This study introduces a novel technique to improve the time and accuracy of stress distribution forecasts in wind tunnel simulations. This method combines Finite Element Analysis (FEA) with two regression models: Support Vector Machine (SVM) and k-Nearest Neighbors (kNN). The investigation begins with a thorough analysis of ANSYS fluent flow data, which reveals intricate fluid dynamics details within the wind tunnel. A comparative analysis of stress projections, supplemented by Root Mean Square Error (RMSE) metric, demonstrates the proposed methodology’s viability. High accuracy is noted in the SVM-based model, as evidenced by its 2.1% RMSE, which surpasses the kNN model's 5.6% RMSE. Notably, the stress distribution calculation took almost 2 hours in ANSYS.In contrast, it required only 10 seconds in SVM and 3 seconds in kNN, showcasing the time-efficient attributes of these models where they solely depend on the trained data. Moreover, the computational efficacy of the SVM and kNN models is highlighted, emphasizing their flexibility in stress analysis. This integrative approach introduces a promising potential in engineering simulations, yielding precise stress distribution forecasts that have the potential to advance aircraft design methodologies and wind tunnel evaluations.

Highlights
  • A Finite Element Analysis, of an Aircraft model in a wind tunnel using ANSYS Fluent and Structural Analysis, is presented
  • Artificial Intelligence-based machine learning models are presented, namely SVM and kNN regression models
  • The stress distribution on the aircraft front wing is predicted by Machine Learning models, and RMSE  compared their accuracy
Keywords
Finite element analysis; Machine learning; Wind tunnel; Stress distribution; Deformation
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