Results 21 to 30 of about 28,784 (144)

NUMERICAL CONVERGENCE IN SMOOTHED PARTICLE HYDRODYNAMICS [PDF]

The Astrophysical Journal, 2015
We study the convergence properties of smoothed particle hydrodynamics (SPH) using numerical tests and simple analytic considerations. Our analysis shows that formal numerical convergence is possible in SPH only in the joint limit $N \rightarrow \infty$, $h \rightarrow 0$, and $N_{nb} \rightarrow \infty$, where $N$ is the total number of particles, $h$
Qirong Zhu, Lars Hernquist, Yuexing Li
openaire   +3 more sources

Axisymmetric smoothed particle magnetohydrodynamics

Monthly Notices of the Royal Astronomical Society, 2022
ABSTRACT Many astrophysical and terrestrial scenarios involving magnetic fields can be approached in axial geometry. Although the smoothed particle hydrodynamics (SPH) technique has been successfully extended to magnetohydrodynamics (MHD), a well-verified, axisymmetric MHD scheme based on such technique does not exist yet.
García Senz, Domingo, Wissing, Robert, Cabezón Gómez, Rubén Martín, Vurgun, Eda, Linares Herreros, María Paz   +4 more
openaire   +5 more sources

Kelvin-Helmholtz instabilities in Smoothed Particle Hydrodynamics

, 2010
In this paper we investigate whether Smoothed Particle Hydrodynamics (SPH), equipped with artificial conductivity, is able to capture the physics of density/energy discontinuities in the case of the so-called shearing layers test, a test for examining ...
Agertz, Chandrasekhar, Cummins, Dubey, E. Rödiger, Fryxell, Fulk, Gingold, H. Dejonghe, Hess, Hu, Johnson, Kawata, Lucy, Merlin, Monaghan, Monaghan, Morris, Okamoto, Price, Read, Robertson, Rosswog, S. De Rijcke, S. Valcke, Schuessler, Sigalotti, Sod, Springel, Springel, Tartakovsky, Tasker, Thomas, Vanaverbeke   +33 more
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Smoothed Particle Hydrodynamics in cosmology: a comparative study of implementations [PDF]

, 1998
We analyse the performance of twelve different implementations of Smoothed Particle Hydrodynamics (SPH) using seven tests designed to isolate key hydrodynamic elements of cosmological simulations which are known to cause the SPH algorithm problems.
Couchman, H. M. P., Pearce, F. R., Thacker, R. J., Thomas, P. A., Tittley, E. R.   +4 more
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Incompressible smoothed particle hydrodynamics

Journal of Computational Physics, 2007
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Ellero, Marco, Serrano, Mar, Español, Pep   +2 more
openaire   +3 more sources

Addendum to "On the consistency of MPS"

, 2013
The analogies between the Moving Particle Semi-implicit method (MPS) and Incompressible Smoothed Particle Hydrodynamics method (ISPH) are established in this note, as an extension of the MPS consistency analysis conducted in "Souto-Iglesias et al ...
Cercos-Pita, Jose L., González, Leo M., Macià, Fabricio, Souto-Iglesias, Antonio   +3 more
core   +1 more source

A Density Independent Formulation of Smoothed Particle Hydrodynamics

, 2013
The standard formulation of the smoothed particle hydrodynamics (SPH) assumes that the local density distribution is differentiable. This assumption is used to derive the spatial derivatives of other quantities.
Balsara, Brookshaw, Gingold, Junichiro Makino, Lattanzio, Monaghan, Monaghan, Monaghan, Morris, Price, Price, Sedov, Sod, Takayuki R. Saitoh, Thomas, Youngs   +15 more
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SPHS: Smoothed Particle Hydrodynamics with a higher order dissipation switch [PDF]

, 2011
We present a novel implementation of Smoothed Particle Hydrodynamics (SPHS) that uses the spatial derivative of the velocity divergence as a higher order dissipation switch.
Abel, Agertz, Cha, Chandrasekhar, Couchman, Cullen, Dehnen, Dehnen, Dilts, Fan, Frenk, Gaburov, Gingold, Gresho, Heß, Inutsuka, J. I. Read, Joung, Kaufmann, Kitsionas, Landau, Lucy, Maron, Meglicki, Monaghan, Monaghan, Monaghan, Morris, Morris, Murante, Oger, Price, Read, Ritchie, Rosswog, Rosswog, Rosswog, Saitoh, Springel, Springel, Springel, Springel, T. Hayfield, Valcke, Vietri, Wadsley, Wadsley, White   +47 more
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Smoothed Particle Hydrodynamics for Relativistic Heavy Ion Collisions

, 2000
The method of smoothed particle hydrodynamics (SPH) is developped appropriately for the study of relativistic heavy ion collision processes. In order to describe the flow of a high energy but low baryon number density fluid, the entropy is taken as the ...
C E Aguiar, Csernai L P, Drescher H J, Elze H-T, Gingold R A, Grassi F, Hama Y, Israel W, Israel W, Laguna P, Landau L D, Landau L D, Landau L D, Landau L D, See, Siegler S, T Kodama, T Osada, Ter Haar, Thacker R J, Von Neumann J, Y Hama   +21 more
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TRAPHIC - Radiative Transfer for Smoothed Particle Hydrodynamics Simulations

, 2008
We present TRAPHIC, a novel radiative transfer scheme for Smoothed Particle Hydrodynamics (SPH) simulations. TRAPHIC is designed for use in simulations exhibiting a wide dynamic range in physical length scales and containing a large number of light ...
Abel, Abel, Alvarez, Andreas H. Pawlik, Barkana, Brookshaw, Cen, Ciardi, Dale, Dale, Dopita, Fryer, Gingold, Gingold, Gingold, Gnedin, Goldstein, Gritschneder, Herant, Hernquist, Hockney, Iliev, Iliev, Johnson, Joop Schaye, Kessel-Deynet, Kohler, Lucy, Maselli, Mayer, Mellema, Mihalas, Miles, Monaghan, Monaghan, Okabe, Osterbrock, Oxley, Press, Razoumov, Razoumov, Ritzerveld, Ryu, Semelin, Soneira, Springel, Springel, Stamatellos, Stewart, Susa, Susa, Trac, Viau, Whalen, White, Whitehouse, Yoshida   +56 more
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