NUMERICAL SOLUTIONS FOR STEADY FLOW PAST A CIRCULAR CYLINDER VIA THE METHOD OF VARIATIONAL IMBEDDING

ЗаглавиеNUMERICAL SOLUTIONS FOR STEADY FLOW PAST A CIRCULAR CYLINDER VIA THE METHOD OF VARIATIONAL IMBEDDING
Вид публикацияJournal Article
Година на публикуване1998
АвториChristov C, Marinova R
СписаниеAnnuaire de l’Université de Sofia “St. Kliment Ohridski”. Faculté de Mathématiques et Informatique
Том90
IssueLivre 2 - Mathématiques Appliquée et Informatique
Pagination177-189
ISSN0205-0808
ключови думиdifference schemes, high Reynolds numbers, method of variational imbedding, Navier-Stokes equations, viscous flow past a circular cylinder
Резюме

A numerical investigation of the two-dimensional flow around a circular cylinder is performed using a primitive-variable approach. Steady (but unstable) solutions have been calculated up to Re = 200. The imbedding system is solved numerically by a difference scheme of splitting type. A staggered non-uniform grid is used. The obtained results are in good agreement with the available data.

1991/95 MSC

76D05, 76M30, 65M06

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