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physics.flu-dyn2025
Numerical study of friction reduction and underlying mechanism of air film via parallel and tandem injections on a hypersonic flat plate at high altitude
Xiuzheng Cheng, Mengyu Wang, Qin Li +3
This study uses numerical simulations to analyze a flat-plate with air films generated via parallel and tandem injections under freestream conditions of Ma=15 at an altitude of H=6…
math.NA2025
Accuracy analysis and optimization of scale-independent third-order WENO-Z scheme with critical-point accuracy preservation
Yunchuan Wu, Xiuzheng Cheng, Yi Duan +4
To address the order degradation at critical points in the WENO3-Z scheme, some improvements have been proposed , but these approaches generally fail to consider the occurrence of…
physics.flu-dyn2025
Evolution and sudden change of steady interactions of low enthalpy hypersonic double wedge flows with fore angle
Yihui Weng, Yi Duan, Qin Li +4
The evolution and sudden change of steady interaction structures is numerically studied with the fore wedge angle theta_1 in a low enthalpy hypersonic double wedge configuration. I…