This paper is concerned with the optimal convergence rates for solutions of the monopolar non-Newtonian flows. By using the energy methods, the perturbed weak solution of perturbed system asymptotically converges to the solution of the original system with the optimal rates .
Zhi-qiang Luo. "Optimal Convergence Rates for Solutions of the Monopolar Non-Newtonian Flows." Abstr. Appl. Anal. 2014 (SI47) 1 - 6, 2014. https://doi.org/10.1155/2014/738729