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Abstract:
In this article, we develop several first order fully discrete Galerkin finite element schemes for the Oldroyd model and establish the corresponding stability results for these numerical schemes with smooth and nonsmooth initial data. The stable mixed finite element method is used to the spatial discretization, and the temporal treatments of the spatial discrete Oldroyd model include the first order implicit, semi-implicit, implicit/explicit, and explicit schemes. The H-2-stability results of the different numerical schemes are provided, where the first-order implicit and semi-implicit schemes are the H-2-unconditional stable, the implicit/explicit scheme is the H-2-almost unconditional stable, and the first order explicit scheme is the H-2-conditional stable. Finally, some numerical investigations of the H-2-stability results of the considered numerical schemes for the Oldroyd model are provided to verify the established theoretical findings.
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Source :
NUMERICAL METHODS FOR PARTIAL DIFFERENTIAL EQUATIONS
ISSN: 0749-159X
Year: 2018
Issue: 6
Volume: 34
Page: 2180-2216
1 . 6 3 3
JCR@2018
3 . 0 0 9
JCR@2020
ESI Discipline: ENGINEERING;
ESI HC Threshold:108
JCR Journal Grade:2
CAS Journal Grade:3
Cited Count:
WoS CC Cited Count: 3
SCOPUS Cited Count: 8
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 6
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