Numerical Investigation of Supersonic Flow over a Wedge by Solving 2D Euler Equations Utilizing the Steger–Warming Flux Vector Splitting (FVS) Scheme

Mitch Wolff, Hashim H. Abada () and Hussein Awad Kurdi Saad
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Mitch Wolff: Mechanical & Materials Engineering Department, Wright State University, Dayton, OH 45435-0001, USA
Hashim H. Abada: Mechanical Engineering Department, Al-Kufa Technical Institute, Al-Furat Al-Awsat Technical University (ATU), Kufa 54003, Iraq
Hussein Awad Kurdi Saad: Power/Mechanical Engineering Department, Engineering Technical College of Al-Najaf, Al-Furat Al-Awsat Technical University (ATU), Al-Najaf 54001, Iraq

Mathematics, 2024, vol. 12, issue 9, 1-15

Abstract: Supersonic flow over a half-angle wedge (θ = 15°) with an upstream Mach number of 2.0 was investigated using 2D Euler equations where sea level conditions were considered. The investigation employed the Steger–Warming flux vector splitting (FVS) method executed in MATLAB 9.13.0 (R2022b) software. The study involved a meticulous comparison between theoretical calculations and numerical results. Particularly, the research emphasized the angle of oblique shock and downstream flow properties. A substantial iteration count of 2000 iteratively refined the outcomes, underscoring the role of advanced computational resources. Validation and comparative assessment were conducted to elucidate the superiority of the Steger–Warming flux vector splitting (FVS) scheme over existing methodologies. This research serves as a link between theoretical rigor and practical applications in high-speed aerospace design, enhancing the efficiency of aircraft components.

Keywords: supersonic flow; half-angle wedge; 2D Euler equations; oblique shock wave; Steger–Warming method (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2024
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