The Maximum Norm Analysis Of A Nonmatching Grids Method For A Class Of Parabolic Equation With Linear Source Terms
Résumé: Abstract. Motivated by the idea which has been introduced by Haiour 2 and Boulaaras' work in [11], we provide a maximum norm analysis of a 3 theta scheme combined with nite element Schwarz alternating method 4 for a class of parabolic equation on two overlapping subdomains with 5 nonmatching grids. We consider a domain which is the union of two over6 lapping subdomains where each subdomain has its own independently 7 generated grid. The two meshes being mutually independent on the over8 lap region, a triangle belonging to one triangulation does not necessarily 9 belong to the other one. Under a stability analysis on the theta scheme 10 which given by our work in [4], we establish, on each subdomain, an opti1 1 mal asymptotic behavior between the discrete Schwarz sequence and the 12 asymptotic solution of parabolic dierential equations.
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