Chinese scientists may have found a major flaw in NASA's main hypersonic aerodynamics modeling software, Vulcan-CFD.
Chinese scientists have allegedly discovered a major flaw with one of NASA’s main hypersonic aerodynamics modeling software programs.
Used by NASA’s Langley Research Centre, reliance on it could lead to “inevitably erroneous outcomes,” the Chinese team has said.issues have been highlighted in a new paper by the Hypersonic Technology Laboratory of the National University of Defence Technology.
Designing hypersonic vehicles is highly intricate, involving accurately modeling and understanding various physical phenomena. These phenomena include but are not limited to aerodynamic heating, chemical reactions within the flow, shock wave interactions, and boundary layer effects. Due to its sensitive nature, Vulcan-CFD is subject to export controls, and its distribution is limited to within American borders., the software is widely recognized within the industry. Using these, Lui and his team took a deep dive into the inner workings of Vulcan-CFD and made their alleged discoveries.If true, this could explain why America’s hypersonic program seems to lag behind on the international stage.
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