GRADSPH: A parallel smoothed particle hydrodynamics code for self-gravitating astrophysical fluid dynamics

S Vanaverbeke, R Keppens, S Poedts… - Computer physics …, 2009 - Elsevier
We describe the algorithms implemented in the first version of GRADSPH, a parallel, tree-
based, smoothed particle hydrodynamics code for simulating self-gravitating astrophysical …

Gravitational collapse and fragmentation of molecular cloud cores with GADGET-2

G Arreaga-García, J Klapp, LDG Sigalotti… - The Astrophysical …, 2007 - iopscience.iop.org
The collapse and fragmentation of molecular cloud cores is examined numerically with
unprecedentedly high spatial resolutions, using the publicly released code GADGET-2. As …

The gravitational collapse of Plummer protostellar clouds

G Arreaga-García, J Klapp-Escribano… - Astronomy & …, 2010 - aanda.org
The growing observational evidence that main-sequence and pre-main-sequence protostars
are found in binary and multiple systems suggests that they are formed by a fragmentation of …

Protostellar collapse models of prolate molecular cloud cores

J Klapp - Astronomy & Astrophysics, 2001 - aanda.org
The continued detection of binary systems among pre-main-sequence stars suggests that
fragmentation is a very frequent process during the early stages of star formation. However …

[PDF][PDF] Dynamics of solar coronal loops

LDG Sigalotti, CA Mendoza-Briceno - Astron. Astrophys, 2003 - scholar.archive.org
Observations in X-ray and EUV of the solar corona reveal the existence of very complex and
dynamic structures made of plasma magnetically confined in loops. These structures can be …

Hydrodynamical simulations of the non-ideal gravitational collapse of a molecular gas cloud

G Arreaga-García, J Saucedo-Morales… - Revista mexicana de …, 2008 - scielo.org.mx
In this paper we present the results of a set of numerical simulations aimed to study the
gravitational collapse of a spherically symmetric, rigidly rotating, isolated, interstellar gas …

[HTML][HTML] The effects on a core collapse of changes in the number and size of turbulent modes of velocity

G Arreaga-García - Revista mexicana de astronomía y astrofísica, 2017 - scielo.org.mx
We consider 28 particle-based simulations aimed at comparing the gravitational collapse of
a spherically symmetric, uniform gas core in which two extreme types of turbulent spectra of …

[HTML][HTML] The formation mass of a binary system via fragmentation of a rotating parent core with increasing total mass

G Arreaga-García - Revista mexicana de astronomía y astrofísica, 2016 - scielo.org.mx
We present a set of numerical simulations of the gravitational collapse of a uniform and
rotating core, in which azimuthal symmetric mass seeds are initially implemented in order to …

Physical effects of gas envelopes with different extension on the collapse of a gas core

G Arreaga-García, J Saucedo Morales - Revista mexicana de …, 2012 - scielo.org.mx
En este trabajo estudiamos el colapso gravitacional de una nube de gas de hidrógeno
molecular compuesta de un núcleo más una envolvente de gas rodeando al núcleo …

The extreme initial kinetic energy allowed by a collapsing turbulent core

G Arreaga-García - Astrophysics and Space Science, 2018 - Springer
We present high-resolution hydrodynamical simulations aimed at following the gravitational
collapse of a gas core, in which a turbulent spectrum of velocity is implemented only initially …