Article ID Journal Published Year Pages File Type
471778 Computers & Mathematics with Applications 2016 11 Pages PDF
Abstract

In this paper, a modified two-grid decoupling method for the mixed Navier–Stokes/Darcy model is proposed and analyzed. The solution on interface condition is approximated by the solution obtained on the fine grid. Stability and convergence of the method are proved. The convergence rate for the L2L2-norm of ∇u and pp is improved from O(H32) to O(H2)O(H2). The numerical results are consistent with the theoretical results and illustrate that the proposed method is quite efficient.

Related Topics
Physical Sciences and Engineering Computer Science Computer Science (General)
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