INVESTIGADORES
STORTI Mario Alberto
artículos
Título:
A Petrov-Galerkin Technique for the solution of transonic and supersonic flows
Autor/es:
BAUMANN, CARLOS; STORTI MARIO; IDELSOHN, SERGIO
Revista:
COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING
Editorial:
John Wiley and sons
Referencias:
Lugar: Hoboken, New Jersey; Año: 1992 vol. 95 p. 49 - 70
ISSN:
0045-7825
Resumen:
This paper is both
the description of a streamline-upwind/Petrov-Galerkin (SUPG)
formulation and the documentation of the development of a code for the
finite element solution of transonic and supersonic flows. The aim of
this work is to present a formulation to be able to treat domains of
any configuration and to use the appropriate physical boundary
conditions, which are the major stumbling blocks of the finite
difference schemes. The implemented code has the following features:
the Hughes' SUPG-type formulation with an oscillation-free
shock-capturing operator, adaptive refinement, explicit integration
with local time-step and hourglassing control. An automatic scheme for
dealing with slip boundary conditions and a boundary-augmented lumped
mass matrix for speeding up convergence. The theoretical background of
the SUPG formulation is described briefly. How the foregoing
formulation was used in the finite element code and which are the
appropriate boundary conditions to be used are also described. Finally
some results obtained with this code are discussed.
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