Generalised coordinate time-split finite element method for compressible viscous flow.

K. Srinivas*, C. A J Fletcher

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contributionpeer-review

1 Citation (Scopus)

Abstract

A generalised time-split finite element method is developed to solve Navier-Stokes equations for compressible flow. The method handles the non-rectangular elements in the physical domain by transforming the governing equations to the generalised space (+69, eta ). Such an approach is found to be superior to the use of an isoparametric formulation. The method makes use of the group formulation which offers considerable advantages over a formal finite element approach. The generalised time-split finite element method is applied to laminar flow past symmetric and asymmetric trailing edges. Imposition of non-reflecting boundary conditions is another feature of the present work. A procedure called the 'Variable Sweep' cycle is described and is found to contribute significantly towards saving in execution time.

Original languageEnglish
Title of host publicationUnknown Host Publication Title
EditorsJohn Noye, Clive Fletcher
Place of PublicationAmsterdam ; New York
PublisherNorth-Holland
Pages476-488
Number of pages13
ISBN (Print)0444875271
Publication statusPublished - 1984

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