王者体育

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科学研究
报告题目:

relaxed euler systems and convergence to navier-stokes equations

报告人:

王者体育pengyuejun jiaoshou(blaise pascal university, france)

报告时间:

报告地点:

lixueyuandongbeilousiloubaogaoting(404)

报告摘要:

consider the approximation of navier-stokes equations for a newtonian fluid by euler type systems with relaxation. this requires to decompose the second-order derivative terms of the velocity into first-order terms. we use hurwitz-radon matrices for this decomposition. we prove the convergence of the approximate systems to the navier-stokes equations locally in time for smooth initial data and globally in time for initial data near constant equilibrium states.

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