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CFD-modeling of fluid flow in Ansys Fluent using Python-based code for automation of repeating calculations

Author

Listed:
  • Vyacheslav Papkov

    (Samara State Technical University, Molodogvardeiskaya 244 St, Samara 443100, Russia)

  • Nikita Shadymov

    (Samara State Technical University, Molodogvardeiskaya 244 St, Samara 443100, Russia)

  • Dmitry Pashchenko

    (Samara State Technical University, Molodogvardeiskaya 244 St, Samara 443100, Russia)

Abstract

CFD-modeling for numerical investigation is used in a wide range of applied tasks, e.g. in fluid mechanics. To better understand the effect of operational parameters on the final results, some tasks are associated with carrying out monotonous, repetitive calculations for a wide range of operational parameters such as velocity, flow direction and temperature. In this paper, a Python-based code for automation of the repeating calculations in CFD-modeling was developed and described. The automation code was tested for CFD-modeling in Ansys Fluent for two flow dynamic tasks: a simple 2D-geometry — NACA0018 airfoil, and a complex 3D-geometry — packed bed with heat transfer. Three different computers with various computational power were used for the comparison. The results of CFD-modeling were compared with the experimental data. The efficiency of using Python-based code was evaluated through comparison with the results of manual (without automation) calculation. It was established that the application of the Python-based code does not affect the accuracy of numerical results. At the same time, utilization of the Python-based code can save up to 25% of computation time for the simple 2D-geometries with a moderately low number of elements in the mesh, and up to 15% for the complex 3D-geometries with a number of elements in several millions. The compiled Python-based code is attached as supplementary material to this paper.

Suggested Citation

  • Vyacheslav Papkov & Nikita Shadymov & Dmitry Pashchenko, 2023. "CFD-modeling of fluid flow in Ansys Fluent using Python-based code for automation of repeating calculations," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 34(09), pages 1-15, September.
    • Handle: RePEc:wsi:ijmpcx:v:34:y:2023:i:09:n:s0129183123501140
    DOI: 10.1142/S0129183123501140
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    Keywords

    CFD; Python; Ansys Fluent; automation;
    All these keywords.

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