INVESTIGADORES
ELASKAR sergio Amado
congresos y reuniones científicas
Título:
Finite Volume Solution of 3D Time-Dependent Magnetogasdynamic Equations
Autor/es:
MARTÍNEZ, MARIANO; ELASKAR, SERGIO; SCARABINO, ANA; FICO, NIDE
Lugar:
Sao Jose dos Campos
Reunión:
Congreso; 2009 Brazilian Symposium on Aerospace Engineering and Applications; 2009
Resumen:
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This work presents the solution of the time-dependent ideal
magnetogasdynamics (MGD) equations in the three spatial dimensions by means
finite volume method. The MGD equations are continuity, momentum, energy and
magnetic induction together with a state equation. The method of Roe has been
applied, in a high resolution Total Variation Diminishing (TVD) scheme, with
modifications proposed by Harten and Yee. For the implementation of this method
a numerical code has been developed, based on preexistent one and
two-dimensional software. The new code has been applied to the resolution of
the magnetogasdynamics shock tube, so that represents a Riemann problem. Due to
the high computational cost demanded by a 3D simulation, it has been necessary
to reduce the grid density, compared to that used on the one-dimensional and
two-dimensional cases. In order to evaluate this last issue, an analysis of the
effect of the grid density on the results has been included at the end of the
present work. The magnetogasdynamics shock tube problem, used as a
benchmark, has been satisfactorily solved by this 3D method