gas dynamics equations
A discontinuous Galerkin discretization for solving the two-dimensional gas dynamics equations written under total Lagrangian formulation on general unstructured grids
... François Vilar ∗ ,, Pierre-Henri Maire † , Rémi Abgrall ‡ Project-Team Bacchus Research Report n° 8483 — February 2013 — 60 pages Abstract: Based on the total Lagrangian kinematical description, a discontinuous Galerkin ...
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A total Lagrangian discontinuous Galerkin discretization of the two-dimensional gas dynamics equations
... All these very promising results have motivated us to present another contribution to the new domain of high-order numerical methods for Lagrangian hydrodynamics. Here, we present a cell- centered DG high-order ...
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Large time step and asymptotic preserving numerical schemes for the gas dynamics equations with source terms
... Abstract We propose a large time step and asymptotic preserving scheme for the gas dynamics equations with external forces and friction terms. By asymptotic preserving, we mean that the numerical ...
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A discontinuous Galerkin discretization for solving the two-dimensional gas dynamics equations written under total Lagrangian formulation on general unstructured grids
... the gas dynamics ...Euler equations of compressible hydrodynamics in the weak form are discretized using NURBS (Non Uniform Rational B-splines) in ...
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An all-regime Lagrange-Projection like scheme for the gas dynamics equations on unstructured meshes
... rescaled gas dynamics equations in the low Mach regime with well-prepared conditions [11], then one can show that the O(∆˜ x/M ) term in (25b) does vanish [11] for one-dimensional problems set over ...
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Vanishing pressure in gas dynamics equations
... L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignemen[r] ...
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Small-scale dynamics of dense gas compressible homogeneous isotropic turbulence
... dense gas effects on the time evolution of general statistics was first investigated, confirming the ones obtained in a previous study (Sciacovelli et ...flow equations supplemented by the simple Van der ...
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Long time dynamics for generalized Korteweg-de Vries and Benjamin-Ono equations
... E 2 + Z 4 E ) where Z 4 E is the homogeneous part of degree 4 (in u) of Z and is given by (22), (23). 2.2. Overview of difficulties. As we said in the introduction, after getting a normal- form result for (NLS), it was ...
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Modeling Heavy-Gas Dispersion in Air with Two-Layer Shallow Water Equations
... The theoretical formulation of Chiapolino and Saurel, 2018 [ 8 ] and its associated HLL-type solver make consequently an interesting strategy to address large-scale gas dispersal. The 1D two- layer model has been ...
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Averaging of Non-Self Adjoint Parabolic Equations with Random Evolution (Dynamics)
... 101 - 54602 Villers lès Nancy Cedex France Unité de recherche INRIA Rennes : IRISA, Campus universitaire de Beaulieu - 35042 Rennes Cedex France Unité de recherche INRIA Rhône-Alpes : 65[r] ...
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Anisotropic Boltzmann-Gibbs dynamics of strongly magnetized Vlasov-Fokker-Planck equations
... Incidentally note that consistently with classical gyrokinetic theory both species are advected by the same electric drifts irrespective of the sign of their charges. 2.2. Formal derivation. Now we begin the derivation ...
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Gas Phase Synthesis of Protonated Glycine by Chemical Dynamics Simulations
... reaction dynamics, mainly in the field of unimolecular dissociation, 21,22,23,24,25,26 and also in the study of ion-molecule collision, where we found that MSINDO semi-empirical Hamiltonian gives results ...
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Semiclassical wave packet dynamics in Schrodinger equations with periodic potentials
... 12. E. Faou, V. Gradinaru, and C. Lubich, Computing semiclassical quantum dynamics with Hagedorn wavepackets, SIAM J. Sci. Comput. 31 (2009), no. 4, 3027–3041. 13. P. G´ erard, Mesures semi-classiques et ondes de ...
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Diffusion dynamics of an electron gas confined between two plates
... A related problem had previously been considered by [1] and [2]. The authors considered a collisionless neutral gas flowing in a thin domain (e.g. the gap between two plane parallel plates) and subject to ...
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Linking ecosystem metabolism and greenhouse gas dynamics in northern lakes
... Cette autorisation stipule que «conformément à l'article 11 du Règlement no 8 des études de cycles supérieurs, [l'auteur] concède à l'Université du Québec à Montréa[r] ...
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Gas dynamics in tidal dwarf galaxies: disc formation at z=0
... the gas dynamics in a sample of six bona fide TDGs around three interacting and post-interacting systems: NGC 4694, NGC 5291, and NGC 7252 (“Atoms for ...
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Particle Dynamics at the Onset of the Granular Gas-Liquid Transition
... [19 –21,32] . For N s ≳ 200, the frequently observed high local densities are due to the episodic trapping of tracers in local clusters as seen in Fig. 1(a) . Indeed, if the collision rate is sufficiently high, the ...
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Study of the dynamics of thin liquid films sheared by gas flows
... Introduction Instabilities of thin liquid films have been studied for many years, since the pioneering works of Kapitzas. When a film flows down an inclined plane a wide range of wave evolution can appear at the free ...
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Optimal shape control of airfoil in compressible gas flow governed by Navier-Stokes equations
... In the present paper, for the purposes of wellposednes of shape optimization problems, there is no restrictions on the regularity of admissible obstacles, which are simply connected compact subsets of a given, bounded ...
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Air/gas system dynamics and implosion control of fossil fuel power plants
... The higher control gains and faster response control dampers result in a smaller furnace pressure excursion after a main fuel trip, however their values are limite[r] ...
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