An automated off-body Mach cone aligned structured curvilinear grid generation procedure is presented for near-field computational fluid dynamics simulations. This procedure combines output-based indicators and mesh redistribution to perform anisotropic mesh adaptation while maintaining Mach cone alignment. Automation is achieved through a novel direction-based adaptation indicator formulation. The adaptation procedure is demonstrated on the JAXA Wing Body geometry and X-59 C608 demonstrator models from the Second and Third AIAA Sonic Boom Prediction Workshops, respectively. It is demonstrated that anisotropic mesh adaptation may result in a greater than 50% reduction in the resource usage required to achieve the same level of accuracy as uniform and user-constructed Mach cone aligned grids for near-field pressure signatures, ground-level overpressure signatures, and loudness metrics.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Anisotropic Mach Cone Aligned Mesh Adaptation for Low Boom Simulations


    Contributors:

    Published in:

    AIAA Journal ; 62 , 6 ; 2076-2094


    Publication date :

    2024-06-01




    Type of media :

    Conference paper , Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




    Anisotropic Mach Cone Aligned Mesh Adaptation for Low Boom Simulations

    Ashby, Chase / Housman, Jeffrey A. / Duensing, Jared C. | TIBKAT | 2023


    Anisotropic Mach Cone Aligned Mesh Adaptation for Low Boom Simulations

    Ashby, Chase / Housman, Jeffrey A. / Duensing, Jared C. | AIAA | 2023


    Anisotropic Mach Cone Aligned Mesh Adaptation for Low Boom Simulations

    Chase Ashby / Jeffrey Housman / Jared Duensing | NTRS



    Refined Tetrahedral Meshes with Mach Cone Aligned Prisms for Sonic Boom Analysis

    Cliff, Susan E. / Elmiligui, Alaa A. / Campbell, Richard L. et al. | AIAA | 2013