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- W4366254667 abstract "A systematic domain reduction strategy is proposed to mitigate the high computational cost of performing a large-eddy simulation (LES) for predicting underwater radiated noise from a marine propeller. The key concept of this strategy is to determine where detailed analysis is necessary beforehand and accordingly reduce the computational domain. The strategy comprises the following steps: (1) performing a Reynolds-averaged Navier–Stokes (RANS) simulation in the full domain, including the entire hull; (2) quantitatively analyzing the region affected by the propeller; (3) reducing the domain to encompass most of the propeller’s effect; and (4) conducting an LES in the reduced domain, using the flow field from the RANS simulation as an inlet boundary condition. By implementing the proposed strategy, the LES domain length is reduced by up to twice the propeller diameter in the upstream direction from the propeller, representing only 7% of the hull’s total length. The strategy’s effectiveness is validated by comparing the simulation results with the experimental data obtained at the Korea Research Institute of Ships and Ocean." @default.
- W4366254667 created "2023-04-20" @default.
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- W4366254667 date "2023-07-01" @default.
- W4366254667 modified "2023-09-25" @default.
- W4366254667 title "Domain reduction strategy for large-eddy simulation to predict underwater radiated noise from a marine propeller" @default.
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- W4366254667 doi "https://doi.org/10.1016/j.oceaneng.2023.114538" @default.
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