Parallel simulations in turbulent MHD

The large-scale dynamics of plasma flows can often be described within a fluidistic approximation known as onefluid magnetohydrodynamics. Complex flows such as those corresponding to turbulent regimes are ubiquitous in laboratory plasmas and in astrophysics, because of their typically very large Rey...

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Detalles Bibliográficos
Autores principales:	Gomez, Daniel Osvaldo, Mininni, Pablo Daniel, Dmitruk, Pablo Ariel
Publicado:	2005
Materias:	Astrophysics Plasma flow Reynolds number Turbulent flow Fluidistic approximation Laboratory plasmas Turbulent regimes Magnetohydrodynamics
Acceso en línea:	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_02811847_vT116_n_p123_Gomez http://hdl.handle.net/20.500.12110/paper_02811847_vT116_n_p123_Gomez
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

id	paper:paper_02811847_vT116_n_p123_Gomez
record_format	dspace
spelling	paper:paper_02811847_vT116_n_p123_Gomez2023-06-08T15:26:57Z Parallel simulations in turbulent MHD Gomez, Daniel Osvaldo Mininni, Pablo Daniel Dmitruk, Pablo Ariel Astrophysics Plasma flow Reynolds number Turbulent flow Fluidistic approximation Laboratory plasmas Turbulent regimes Magnetohydrodynamics The large-scale dynamics of plasma flows can often be described within a fluidistic approximation known as onefluid magnetohydrodynamics. Complex flows such as those corresponding to turbulent regimes are ubiquitous in laboratory plasmas and in astrophysics, because of their typically very large Reynolds numbers. Numerical simulations have become a powerful tool for the study of complex plasma flows in recent years. The aim of the present paper is to introduce the reader to some of the standard numerical approximations used for the integration of the magnetohydrodynamic equations. In particular, we focus on pseudospectral methods and on how to develop parallel codes to speed up large Reynolds number simulations. We show the results arising from numerical simulations of astrophysical interest such as the development of turbulent flows in reduced magnetohydrodynamics and the generation of magnetic fields by dynamo mechanisms in three dimensional magnetohydrodynamics. © Physica Scripta 2005. Fil:Gómez, D.O. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Mininni, P.D. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Dmitruk, P. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2005 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_02811847_vT116_n_p123_Gomez http://hdl.handle.net/20.500.12110/paper_02811847_vT116_n_p123_Gomez
institution	Universidad de Buenos Aires
institution_str	I-28
repository_str	R-134
collection	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic	Astrophysics Plasma flow Reynolds number Turbulent flow Fluidistic approximation Laboratory plasmas Turbulent regimes Magnetohydrodynamics
spellingShingle	Astrophysics Plasma flow Reynolds number Turbulent flow Fluidistic approximation Laboratory plasmas Turbulent regimes Magnetohydrodynamics Gomez, Daniel Osvaldo Mininni, Pablo Daniel Dmitruk, Pablo Ariel Parallel simulations in turbulent MHD
topic_facet	Astrophysics Plasma flow Reynolds number Turbulent flow Fluidistic approximation Laboratory plasmas Turbulent regimes Magnetohydrodynamics
description	The large-scale dynamics of plasma flows can often be described within a fluidistic approximation known as onefluid magnetohydrodynamics. Complex flows such as those corresponding to turbulent regimes are ubiquitous in laboratory plasmas and in astrophysics, because of their typically very large Reynolds numbers. Numerical simulations have become a powerful tool for the study of complex plasma flows in recent years. The aim of the present paper is to introduce the reader to some of the standard numerical approximations used for the integration of the magnetohydrodynamic equations. In particular, we focus on pseudospectral methods and on how to develop parallel codes to speed up large Reynolds number simulations. We show the results arising from numerical simulations of astrophysical interest such as the development of turbulent flows in reduced magnetohydrodynamics and the generation of magnetic fields by dynamo mechanisms in three dimensional magnetohydrodynamics. © Physica Scripta 2005.
author	Gomez, Daniel Osvaldo Mininni, Pablo Daniel Dmitruk, Pablo Ariel
author_facet	Gomez, Daniel Osvaldo Mininni, Pablo Daniel Dmitruk, Pablo Ariel
author_sort	Gomez, Daniel Osvaldo
title	Parallel simulations in turbulent MHD
title_short	Parallel simulations in turbulent MHD
title_full	Parallel simulations in turbulent MHD
title_fullStr	Parallel simulations in turbulent MHD
title_full_unstemmed	Parallel simulations in turbulent MHD
title_sort	parallel simulations in turbulent mhd
publishDate	2005
url	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_02811847_vT116_n_p123_Gomez http://hdl.handle.net/20.500.12110/paper_02811847_vT116_n_p123_Gomez
work_keys_str_mv	AT gomezdanielosvaldo parallelsimulationsinturbulentmhd AT mininnipablodaniel parallelsimulationsinturbulentmhd AT dmitrukpabloariel parallelsimulationsinturbulentmhd
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Parallel simulations in turbulent MHD

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