摘要
通过Navier-Stokes方程以及利用光滑解的先验估计方法,来探讨三维MHD方程的压强在Besov空间B·r!,!(R3)中的弱解正则准则.证明了当压强π(t)满足:π(t)∈L22+r(0,T;B·r!,!(R3)),-1≤r≤1此条件时,则三维MHD方程的一组弱解(v(x,t),b(x,t))在(0,T]上是正则解.
This paper is concerned with the pressure regularity criteria of weak solutions to the 3D Magneto-Hydrodynamics equations in Besov space in the process of reviewing of Navier-Stokes equation research. With the aid of priori estimates for soomth solutions method,it is proved that if the pressureπ(t) satisfy the conditionπ(t)∈L 2+r(0,T;B 2 ·r ¥,¥(R3 )) ,then (v(x,t),b(x,t)) is a pair of regular solution on (0,T] .
出处
《合肥学院学报(自然科学版)》
2014年第1期1-6,共6页
Journal of Hefei University :Natural Sciences
基金
国家自然科学基金项目(11271019)资助