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Author:

Zhang, Tong (Zhang, Tong.) | Qian, Yanxia (Qian, Yanxia.)

Indexed by:

SCIE EI Scopus

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.

Keyword:

fully discrete schemes H-2-stability mixed finite element method oldroyd model

Author Community:

  • [ 1 ] [Zhang, Tong] Henan Polytech Univ, Sch Math & Informat Sci, Jiaozuo 454003, Peoples R China
  • [ 2 ] [Qian, Yanxia] Xi An Jiao Tong Univ, Sch Math & Stat, Xian 710049, Shaanxi, Peoples R China
  • [ 3 ] [Zhang, Tong]Henan Polytech Univ, Sch Math & Informat Sci, Jiaozuo 454003, Peoples R China
  • [ 4 ] [Qian, Yanxia]Xi An Jiao Tong Univ, Sch Math & Stat, Xian 710049, Shaanxi, Peoples R China

Reprint Author's Address:

  • Henan Polytech Univ, Sch Math & Informat Sci, Jiaozuo 454003, Peoples R China.

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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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