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Autor Ernst, M. H. |
Documentos disponibles escritos por este autor (22)
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This paper deals with solutions of the nonlinear Boltzmann equation for spatially uniform freely cooling inelastic Maxwell models for large times and for large velocities, and the nonuniform convergence to these limits. We demonstrate how the ve[...]texto impreso
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Van Noije, T. P. C. ; Ernst, M. H. ; Brito, Ricardo | 1998-05The clustering instability in freely evolving granular fluids manifests itself in the density-density correlation function and structure factor. These functions are calculated from fluctuating hydrodynamics. As time increases, the structure fact[...]texto impreso
Grosfils, Patrick ; Boon, Jean-Pierre ; Brito, Ricardo ; Ernst, M. H. | American Physical Society | 1993-10We investigate the space and time behavior of spontaneous thermohydrodynamic fluctuations in a simple fluid modeled by a lattice-gas automaton and develop the statistical-mechanical theory of thermal lattice gases to compute the dynamical struct[...]texto impreso
The complete time dependence of the stress-stress correlation functions in lattice gas cellular automata is calculated from the ring kinetic theory using numerical and analytical methods. This provides corrections, typically of 10-20%, to the us[...]texto impreso
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In this paper we show how, under certain restrictions, the hydrodynamic equations for the freely evolving granular fluid fit within the framework of the time dependent Landau-Ginzburg (LG) models for critical and unstable fluids. The granular fl[...]