The Maximum Norm Analysis Of A Nonmatching Grids Method For A Class Of Parabolic Equation
Résumé: abstract: Motivated by the idea which has been introduced by M. Haiour and S.Boulaaras (Proc. Indian Acad. Sci. (Math. Sci.) Vol. 121,No. 4, November 2011,pp.481–493), we provide a maximum norm analysis of Euler combined with finite element Schwarz alternating method for a class of parabolic equation on with nolinear source terms two overlapping subdomains with nonmatching grids. We consider a domain which is the union of two overlapping subdomains where each subdomain has its own independently generated grid. The two meshes being mutually independent on the overlap region, a triangle belonging to one triangulation does not necessarily belong to the other one. Under a stability analysis on Euler scheme which given by our work in (App. Math. Comp., 217, 6443–6450 (2011)), we establish, on each subdomain, an optimal asymptotic behavior between the discrete Schwarz sequence and the asymptotic solution of parabolic differential equations.
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