@Article{AAMM-13-311, author = {Yang , YangLei , Yanfang and Si , Zhiyong}, title = {Unconditional Stability and Error Estimates of the Modified Characteristics FEM for the Time-Dependent Viscoelastic Oldroyd Flows}, journal = {Advances in Applied Mathematics and Mechanics}, year = {2020}, volume = {13}, number = {2}, pages = {311--332}, abstract = {

In this paper, our purpose is to study the unconditional stability and convergence of characteristics finite element method (FEM) for the time-dependent viscoelastic Oldroyd fluids motion equations. We deduce optimal error estimates in $L^2$ and $H^1$ norm. The analysis is based on an iterated time-discrete system, with which the error function is split into a temporal error and a spatial error. Finally, numerical results confirm the theoretical predictions.

}, issn = {2075-1354}, doi = {https://doi.org/10.4208/aamm.OA-2018-0169}, url = {http://global-sci.org/intro/article_detail/aamm/18486.html} }