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Semidiscrete finite element Galerkin approximations to the equations of motion arising in the Oldroyd model

DSpace at IIT Bombay

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Title Semidiscrete finite element Galerkin approximations to the equations of motion arising in the Oldroyd model
 
Creator PANI, AK
YUAN, JY
 
Subject navier-stokes problem
spatial discretization
numerical-solution
time
 
Description In this paper, a semidiscrete finite element Galerkin method for the equations of motion arising in the 2D Oldroyd model of viscoelastic fluids with zero forcing function is analysed. Some new a priori bounds for the exact solutions are derived under realistically assumed conditions on the data. Moreover, the long-time behaviour of the solution is established. By introducing a Stokes-Volterra projection, optimal error bounds for the velocity in the L-infinity(L-2) as well as in the L-infinity(H-1)-norms and for the pressure in the L-infinity(L-2)-norm are derived which are valid uniformly in time t > 0.
 
Publisher OXFORD UNIV PRESS
 
Date 2011-08-22T07:07:10Z
2011-12-26T12:56:14Z
2011-12-27T05:44:38Z
2011-08-22T07:07:10Z
2011-12-26T12:56:14Z
2011-12-27T05:44:38Z
2005
 
Type Article
 
Identifier IMA JOURNAL OF NUMERICAL ANALYSIS, 25(4), 750-782
0272-4979
http://dx.doi.org/10.1093/imanum/dri016
http://dspace.library.iitb.ac.in/xmlui/handle/10054/10355
http://hdl.handle.net/10054/10355
 
Language en