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Related papers: Radiation-Hydrodynamics Effects in an Inhomogeneou…

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We provide an introduction to complex photonic media, that is, composite materials with spatial inhomogeneities that are distributed over length scales comparable to or smaller than the wavelength of light. This blossoming field is firmly…

Optics · Physics 2015-04-28 Willem L. Vos , Ad Lagendijk , Allard P. Mosk

Hydrodynamical simulations of jets interacting with clouds moving in the ambient medium of the host galaxy are presented. Clouds with sizes of the order of the jet diameter and smaller, crossing the path of the jet with different speeds are…

Cosmology and Nongalactic Astrophysics · Physics 2009-11-13 S. Jeyakumar

Radiation controls the dynamics and energetics of many astrophysical environments. To capture the coupling between the radiation and matter, however, is often a physically complex and computationally expensive endeavour. We develop a…

Instrumentation and Methods for Astrophysics · Physics 2022-01-19 N. Moens , J. O. Sundqvist , I. El Mellah , L. Poniatowski , J. Teunissen , R. Keppens

We discuss recent advances in the radiative-hydrodynamic modeling of core collapse supernovae in multi-dimensions. A number of earlier attempts at fully radiation-hydrodynamic models utilized either the grey approximation to describe the…

Astrophysics · Physics 2017-08-23 F. Douglas Swesty , Eric S. Myra

In the full-orbit particle simulations of energetic particle transport in plasmas, the plasma turbulence is typically described as a homogeneous superposition of linear Fourier modes. The turbulence evolution is, however, typically a…

Solar and Stellar Astrophysics · Physics 2012-04-03 Timo Laitinen , Silvia Dalla , James Kelly

Three-dimensional special relativistic magnetohydrodynamic simulations are performed to investigate properties of the downstream turbulence generated by the interaction between a relativistic shock wave and multiple clumps. We analyze the…

High Energy Astrophysical Phenomena · Physics 2025-04-24 Kanji Morikawa , Yutaka Ohira , Takumi Ohmura

We carry out direct numerical simulations of turbulent astrophysical media that explicitly track ionizations, recombinations, and species-by-species radiative cooling. The simulations assume solar composition and follows the evolution of…

Astrophysics of Galaxies · Physics 2015-06-23 William J Gray , Evan Scannapieco , Daniel Kasen

The results of the molecular dynamics simulation of the radiation influence on the structure and thermophysical properties of water are presented. The changes in the radial distribution functions, momentum distribution function and the…

Statistical Mechanics · Physics 2017-01-25 L. A. Bulavin , K. V. Cherevko , D. A. Gavryushenko , V. M. Sysoev , T. S. Vlasenko

Absorption-line measurements of the circumgalactic medium (CGM) display a highly non-uniform distribution of lower ionization state species accompanied by more widespread higher ionization state material. This suggests that the CGM is a…

Astrophysics of Galaxies · Physics 2022-03-14 Edward Buie , Evan Scannapieco , G. Mark Voit

Recent progress in astrophysical hydromagnetic turbulence is being reviewed. The physical ideas behind the now widely accepted Goldreich--Sridhar model and its extension to compressible magnetohydrodynamic turbulence are introduced.…

Solar and Stellar Astrophysics · Physics 2013-10-31 A. Brandenburg , A. Lazarian

Modeling subphotospheric shocks in a gamma-ray burst (GRB) is challenging due to the various timescales that must be resolved, and the fact that the same radiation dynamically mediates the shocks while forming the observed signal. Here, we…

High Energy Astrophysical Phenomena · Physics 2026-04-10 Jona Nordin Nobuoka , Filip Alamaa , Felix Ryde , Christoffer Lundman

Radiation pressure can be dynamically important in star-forming environments such as ultra-luminous infrared and submillimeter galaxies. Whether and how radiation drives turbulence and bulk outflows in star formation sites is still unclear.…

Astrophysics of Galaxies · Physics 2015-10-15 Benny Tsz-Ho Tsang , Milos Milosavljevic

The complex interaction between shocks and plasma turbulence is extremely important to address crucial features of energy conversion in a broad range of astrophysical systems. We study the interaction between a supercritical, perpendicular…

Transiting planets provide a unique opportunity to study the atmospheres of extra-solar planets. Radiative hydrodynamical models of the atmosphere provide a crucial link between the physical characteristics of the atmosphere and the…

Astrophysics · Physics 2009-11-13 Ian Dobbs-Dixon

This paper reports on the results of a numerical investigation designed to address how the initially anisotropic appearance of a GRB remnant is modified by the character of the circumburst medium and by the possible presence of an…

Astrophysics · Physics 2014-11-18 Enrico Ramirez-Ruiz , Andrew I. MacFadyen

Photon trapping and outflow are two key physics associated with the supercritical accretion flow. We investigate the conflict between these two processes based on two-dimensional radiation-hydrodynamic (RHD) simulation data and construct a…

High Energy Astrophysical Phenomena · Physics 2015-05-13 Shun Takeuchi , Shin Mineshige , Ken Ohsuga

We present the results of a three-dimensional, relativistic, hydrodynamic simulation of a precessing jet into which a compact blob of matter is injected. A comparison of synthetic radio maps computed from the hydrodynamic model, taking into…

We perform three dimensional radiation hydrodynamic simulations of the structure and dynamics of radiation dominated envelopes of massive stars at the location of the iron opacity peak. One dimensional hydrostatic calculations predict an…

Solar and Stellar Astrophysics · Physics 2015-11-04 Yan-Fei Jiang , Matteo Cantiello , Lars Bildsten , Eliot Quataert , Omer Blaes

The growth of bubbles in cosmological first-order phase transitions involves nontrivial hydrodynamics. For that reason, the study of the propagation of phase transition fronts often requires several approximations. A frequently used…

High Energy Physics - Phenomenology · Physics 2015-05-20 Leonardo Leitao , Ariel Megevand

Many complex systems exhibit hydrodynamic (or macroscopic) behavior at large scales characterized by few variables such as the particle number density, temperature and pressure obeying a set of hydrodynamic (or macroscopic) equations. Does…

Disordered Systems and Neural Networks · Physics 2013-01-29 Chushun Tian