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OB star clusters originate from parsec-scale massive molecular clumps. We aim to understand the evolution of temperature and density structures on the intermediate-scale ($\lesssim$0.1-1 pc) extended gas of massive clumps. We performed…

Clouds form in atmospheres of brown dwarfs and planets. The cloud particle formation processes are similar to the dust formation process studied in circumstellar shells of AGB stars and in Supernovae. Cloud formation modelling in substellar…

Solar and Stellar Astrophysics · Physics 2021-06-04 E. K. H. Lee , Ch. Helling , H. Giles , S. T. Bromley

We present a comprehensive study of voids formation, nucleation and growth in a prototype model of binary alloys subjected to irradiation by using a combined approach based on phase field and rate theories. It is shown that voids formation…

Statistical Mechanics · Physics 2018-04-02 D. O. Kharchenko , V. O. Kharchenko , Y. M. Ovcharenko , O. B. Lysenko , I. A. Shuda , L. Wu , R. Pan

We examine the effect of cluster size on the interaction of Ar$_{55}$-Ar$_{2057}$ with intense extreme ultraviolet (XUV) pulses, using a model we developed earlier that includes ionization via collisional excitation as an intermediate step.…

Atomic Physics · Physics 2015-05-20 Edward Ackad , Nicolas Bigaouette , Kyle Briggs , Lora Ramunno

The aim of this paper is to give a short review on cluster dynamics modeling in the field of atoms and point defects clustering in materials. It is shown that this method, due to its low computer cost, can handle long term evolution that…

Materials Science · Physics 2007-09-13 Alain Barbu , Emmanuel Clouet

Structural and dynamical characteristics pertaining to the solvation of an excess proton in liquid-like nanoclusters of the type [H$_2$O]$_n$ are investigated using Molecular Dynamics experiments. Three different aggregate sizes were…

Chemical Physics · Physics 2013-07-17 Mariano Galvagno , Daniel Laria , Javier Rodriguez

We study the kinetics of two-temperature induced phase separation (2-TIPS) in dilute binary mixtures of active ("hot") and passive ("cold") particles using molecular dynamics simulations and a coarse-grained hydrodynamic model. Following a…

Soft Condensed Matter · Physics 2025-12-23 Nayana Venkatareddy , Partha Sarathi Mondal , Shradha Mishra , Prabal K. Maiti

Diamond's exceptional properties make it highly suited for applications in challenging radiation environments. Understanding radiation-induced damage in diamond is crucial for enabling its practical applications and advancing materials…

Materials Science · Physics 2025-03-13 Jialiang Zhang , Futao Huang , Shuo Li , Guojun Yu , Zifeng Xu , Lifu Hei , Fanxiu Lv , Aidan Horne , Peng Wang , Ming Qi

A new Radiative Driven Implosion (RDI) model based on Smoothed Particle Hydrodynamics (SPH) technique is developed and applied to investigate the morphological evolutions of molecular clouds under the effect of ionising radiation. This…

Astrophysics · Physics 2011-02-11 J. Miao , G. J. White , M. A. Thompson , R. P. Nelson

We present the first ever hydrodynamic calculations of star cluster formation that incorporate the effect of feedback from ionising radiation. In our simulations, the ionising source forms in the cluster core at the intersection of several…

Astrophysics · Physics 2014-10-13 J. E. Dale , I. A. Bonnell , C. J. Clarke , M. R. Bate

Structure and reaction studies with a method of antisymmetrized molecular dynamics (AMD) were reviewed. Applications of time-independent and time-dependent versions of the AMD were described. In applications of time-independent AMD to…

Nuclear Theory · Physics 2012-02-10 Yoshiko Kanada-En'yo , Masaaki Kimura , Akira Ono

We study the consistency of the description of charge distributions and radii of nuclear clusters obtained with semiclassical nuclear pasta models. These nuclei are expected to exist in the low density outer crust of neutron stars.…

Nuclear Theory · Physics 2009-04-07 M. A. Perez-Garcia

We use the non-linear spherical model in cold dark matter (CDM) cosmologies with dark energy to investigate the effects of dark energy on the growth of structure and the formation of virialised structures. We consider dark energy models…

Astrophysics · Physics 2010-12-09 Cathy Horellou , Joel Berge

We use Smoothed Particle Hydrodynamics to simulate the formation of a massive (10^6Msun) stellar cluster system formed from the gravitational collapse of a turbulent molecular cloud. We investigate the hierarchical clustering properties of…

Solar and Stellar Astrophysics · Physics 2015-05-27 James E. Dale , Ian Bonnell

We present a review of recent works on clustering phenomena in unstable nuclei studied by antisymmetrized molecular dynamics (AMD). The AMD studies in these decades have uncovered novel types of clustering phenomena brought about by the…

Nuclear Theory · Physics 2017-01-02 M. Kimura , T. Suhara , Y. Kanada-En'yo

We use Enzo, a hybrid Eulerian AMR/N-body code including non-gravitational heating and cooling, to explore the morphology of the X-ray gas in clusters of galaxies and its evolution in current generation cosmological simulations. We employ…

Astrophysics · Physics 2010-11-11 Tesla E. Jeltema , Eric J. Hallman , Jack O. Burns , Patrick M. Motl

We use hydrodynamical simulations of star-forming gas with stellar feedback and sink particles (proxies for young stellar objects, i.e., YSOs) to produce and analyze synthetic 1.1mm continuum observations at different distances (150 -…

Astrophysics of Galaxies · Physics 2021-12-15 S. K. Betti , R. Gutermuth , S. Offner , G. Wilson , A. Sokol , R. Pokhrel

The dynamical cluster-decay model (DCM) is developed further for the decay of hot and rotating compound nuclei (CN) formed in light heavy-ion reactions. The model is worked out in terms of only one parameter, namely the neck-length…

Nuclear Experiment · Physics 2008-11-26 Raj K. Gupta , M. Balasubramaniam , Rajesh Kumar , Dalip Singh , C. Beck , W. Greiner

We investigate how cluster morphology is affected by the cosmological constant in low-density universes. Using high-resolution cosmological N-body/SPH simulations of flat (\Omega_0 = 0.3, \lambda_0 = 0.7, \Lambda CDM) and open (\Omega_0 =…

Astrophysics · Physics 2009-11-07 Tamon Suwa , Asao Habe , Kohji Yoshikawa , Takashi Okamoto

This paper investigates the dynamical evolution of embedded stellar clusters from the protocluster stage, through the embedded star-forming phase, and out to ages of 10 Myr -- after the gas has been removed from the cluster. The relevant…

Solar and Stellar Astrophysics · Physics 2014-11-20 Eva-Marie Proszkow , Fred C. Adams