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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Global existence and decay of solutions to compressible Prandtl system with small analytic data
少量分析数据 可压缩 Prandtl系统解 全局存在 衰减
2023/4/18
In this talk, we shall prove the global existence and the large time decay estimate of solutions to compressible Prandtl system with small initial data, which is analytical in the tangential variable....
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Global well-posedness of the 1d compressible Navier-Stokes system with rough data
粗略数据 一维可压缩 纳维-斯托克斯系统 全局适定性
2023/4/24
We study the global well-posedness problem for the 1d compressible Navier-Stokes systems (cNSE) in gas dynamics with rough initial data. First, Liu and Yu (Commun Pure Appl Math 75(2):223-348, 2022) e...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars： Global well-posedness of the 1d compressible Navier-Stokes system with rough data
粗略数据 一维可压缩 纳维-斯托克斯系统 全局适定性
2023/4/24
We study the global well-posedness problem for the 1d compressible Navier-Stokes systems (cNSE) in gas dynamics with rough initial data. First, Liu and Yu (Commun Pure Appl Math 75(2):223-348, 2022) e...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Some progress on steady Navier-Stokes system in a channel
通道 稳定 纳维-斯托克斯系统
2023/4/27
In this talk, we will discuss some recent progress on steady Navier-Stokes system in a channel, in particular, the problem posed by Leray on steady flows in channels. The existence and uniqueness of s...
Investigation on a new method of adaptive drag reduction and nonablation thermal protection system for hypersonic vehicles
hypersonic drag reduction heat flux jet aerospike numerical simulation
2013/9/2
A new adaptive drag reduction and nonablation thermal protection method named Telescopic Selfaligning JetSpike (TSAJS) is proposed to improve the conventional spiked method employed in hypersonic v...
A Parametric Study on the Starting Transients of a Vacuum Ejector-Diffuser System
Parametric Starting Transients Vacuum Ejector-Diffuser System Fluid Dynamics
2012/4/24
In this endeavor, the transients persisting in a vacuum ejector system (put reference of my old paper) is studied by numerically simulating the flow field, and experimentally validating the simulated ...
Dual-camera system for high-speed imaging in particle image velocimetry
Dual-camera system high-speed imaging particle image velocimetry Fluid Dynamics
2012/4/19
Particle image velocimetry is an important technique in experimental fluid mechanics, for which it has been essential to use a specialized high-speed camera. However, the high speed is at the expense ...
Doubly periodic patterns of modulated hydrodynamic waves: exact solutions of the Davey--Stewartson system
Free surface waves Periodic patterns Davey–Stewartson equations
2012/2/29
Exact doubly periodic standing wave patterns of the Davey--Stewartson (DS) equations are derived in terms of rational expressions of elliptic functions. In fluid mechanics, DS equations govern the evo...
Vortex-induced vibration of the upstream cylinder of a two-cylinder system in cruciform arrangement
Vortex-induced vibration of the upstream cylinder of a two-cylinder system in cruciform arrangement
2010/3/15
Vortex-induced vibration of the upstream cylinder of a two-cylinder system in cruciform arrangement.