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Asymptotic Stability of a Phase-field Model for Two-Phase Compressible Fluids in One-Dimensional Space
澳门新葡8455最新网站:2018年01月18日 11:03 点击数:

报告人:施小丁

报告地点:澳门新葡8455最新网站6楼大应用数学实验室

报告澳门新葡8455最新网站:2018年01月23日星期二16:00-17:00

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报告摘要:

This talk is concerned with the evolution for a compressible isothermal mixture of binary fluids. The flow of such fluid can be described by the well-known diffuse interface system of equations nonlinearly couples the Navier-Stokes and Cahn-Hilliard equations, called Navier-Stokes-Cahn-Hilliard system. Here we investigated the large time behavior of solutions to the initial value problems for this system in one dimension. When the initial data tends to a constant state as x tends to infinity, and the limit state for the concentration difference of the two components lies in convex region of the free energy density, we prove that the solution of this system converges to the certain constant state as time tend to infinity. We show that the location of the initial proportional to the concentration difference of the two components play a key role for the phase separation. The proof is given by energy method and a careful analysis.

主讲人概况:

施小丁,北京化工大学数学教授、博士生导师。日本数学博士后。国际知名偏微分方程专家。东北师范大学大应用数学实验室学术委员会委员。

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