Nonautonomous micropolar fluid equations;
Global in time solution;
Existence of pullback attractor;
PULLBACK ATTRACTORS;
GLOBAL ATTRACTORS;
EXISTENCE;
FLOW;
D O I:
10.1016/j.na.2008.10.124
中图分类号:
O29 [应用数学];
学科分类号:
070104 ;
摘要:
Using a method based on the concept of the Kuratowski measure of noncompactness of a bounded set as well as some new estimates of solutions we prove the existence of a unique minimal pullback attractor for the evolutionary process associated with nonautonomous two-dimensional micropolar fluid equations in a bounded domain, where the forces and moments satisfy only a certain integrability condition. In earlier similar research forces and moments were assumed to be uniformly bounded in time. (C) 2008 Elsevier Ltd. All rights reserved.