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math.AP2026
Weak-Strong Uniqueness for a Rigid Body Immersed in an Inviscid Compressible Fluid
Qianfeng Li, Emil Wiedemann
We consider the coupled motion of a free rigid body immersed in an inviscid compressible isentropic fluid. By means of a vanishing viscosity limit, we obtain the local-in-time exis…
math.AP2024
Hypersonic limit for steady compressible Euler flows passing straight cones
Qianfeng Li, Aifang Qu, Xueying Su +1
We investigate the hypersonic limit for steady, uniform, and compressible polytropic gas passing a symmetric straight cone. By considering Radon measure solutions, we show that as…