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    GPU-Accelerated Full-Wheel Large-Eddy Simulations of a Transonic Fan Stage

    Source: Journal of Turbomachinery:;2025:;volume( 147 ):;issue: 008::page 81003-1
    Author:
    Wang, Kan
    ,
    Bose, Sanjeeb
    ,
    Ivey, Christopher
    DOI: 10.1115/1.4067176
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: A single-stage transonic axial-flow fan is simulated using graphic processing unit (GPU)-accelerated wall-modeled large-eddy simulations. The computational meshes are generated using Voronoi diagram-based approach. Two types of mesh are employed for grid sensitivity study. The first type uses isotropic hexagonal close-packed (HCP) seeding whereas the second combines the background HCP mesh with anisotropic boundary-layer type of mesh around the blade surfaces. The effect of the rotor tip clearance is examined using a rotor-only configuration. The sweep of the performance curve at full rotation speed is carried out for both the rotor and the stage. The computational results are compared against the experimental measurement and excellent agreement is observed when adequate near-wall resolution is employed. The code performance of the GPU-accelerated solver is compared to the CPU-based version. The high throughput of the GPU solver significantly reduces the computational cost. On a mesh with 84 million control volumes, 10 rotor revolutions can be computed within 1 day using 20 GPUs.
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      GPU-Accelerated Full-Wheel Large-Eddy Simulations of a Transonic Fan Stage

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    contributor authorWang, Kan
    contributor authorBose, Sanjeeb
    contributor authorIvey, Christopher
    date accessioned2025-04-21T10:15:59Z
    date available2025-04-21T10:15:59Z
    date copyright1/13/2025 12:00:00 AM
    date issued2025
    identifier issn0889-504X
    identifier otherturbo_147_8_081003.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4305832
    description abstractA single-stage transonic axial-flow fan is simulated using graphic processing unit (GPU)-accelerated wall-modeled large-eddy simulations. The computational meshes are generated using Voronoi diagram-based approach. Two types of mesh are employed for grid sensitivity study. The first type uses isotropic hexagonal close-packed (HCP) seeding whereas the second combines the background HCP mesh with anisotropic boundary-layer type of mesh around the blade surfaces. The effect of the rotor tip clearance is examined using a rotor-only configuration. The sweep of the performance curve at full rotation speed is carried out for both the rotor and the stage. The computational results are compared against the experimental measurement and excellent agreement is observed when adequate near-wall resolution is employed. The code performance of the GPU-accelerated solver is compared to the CPU-based version. The high throughput of the GPU solver significantly reduces the computational cost. On a mesh with 84 million control volumes, 10 rotor revolutions can be computed within 1 day using 20 GPUs.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleGPU-Accelerated Full-Wheel Large-Eddy Simulations of a Transonic Fan Stage
    typeJournal Paper
    journal volume147
    journal issue8
    journal titleJournal of Turbomachinery
    identifier doi10.1115/1.4067176
    journal fristpage81003-1
    journal lastpage81003-8
    page8
    treeJournal of Turbomachinery:;2025:;volume( 147 ):;issue: 008
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
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