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    The data-driven adaptive micro element reconstruction (DAMER) method enhances aero-optical simulations. This approach significantly boosts computational efficiency and accuracy for analyzing optical transmission in flow fields.

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    Area of Science:

    • Fluid Dynamics
    • Computational Optics
    • Numerical Simulation

    Background:

    • Traditional aero-optical simulations face challenges with large data volumes and high computational costs for time-continuous flow fields, leading to low efficiency.
    • Dynamic aero-optical analysis using conventional methods is computationally intensive and inefficient due to extensive data handling and interpolation requirements.

    Purpose of the Study:

    • To introduce a novel data-driven method, DAMER, to improve the computational efficiency and accuracy of aero-optical simulations for time-continuous flow fields.
    • To address the limitations of conventional methods in handling large datasets and computational demands in aero-optical analysis.

    Main Methods:

    • The proposed Data-driven Adaptive Micro element Reconstruction (DAMER) method eliminates redundant data, reduces computational load, and minimizes interpolation needs.
    • DAMER enables continuous and precise adaptive step-size adjustment, defining step-size ranges across diverse computational fluid dynamics (CFD) grid scales.
    • The method simplifies the identification of ray-optical window intersections in complex 3D flow fields.

    Main Results:

    • DAMER achieved significant speedups: 131.10 for 2D and 11.56 for 3D continuous flow fields compared to conventional methods.
    • The method demonstrated enhanced accuracy in aero-optical analysis.
    • Reduced computational load and interpolation requirements were observed.

    Conclusions:

    • The DAMER method offers a substantial improvement in computational efficiency and accuracy for aero-optical simulations.
    • This data-driven approach provides a more effective solution for analyzing optical transmission performance in dynamic flow fields.
    • DAMER represents a significant advancement in the field of computational aero-optics.