Zobrazeno 1 - 10
of 13
pro vyhledávání: '"J.-P. Perlat"'
Publikováno v:
Journal of Computational Physics. 326:312-333
In this paper we describe a second order multi-dimensional scheme, belonging to the class of direct Arbitrary LagrangianEulerian (ALE) methods, for the solution of non-linear hyperbolic systems of conservation law. The scheme is constructed upon a ce
Publikováno v:
International Journal for Numerical Methods in Engineering. 104:539-565
In the present paper, we propose another space discretization of the kinematic constraint for a single grid multi velocity formulation leading to a better approximation of the interface physics. The paper is organized as follows. In the next section,
A local thermomechanical model of friction for computing structures under extreme loading conditions
Publikováno v:
International Journal for Numerical Methods in Engineering. 89:561-583
SUMMARY A multiscale thermomechanical model of friction is proposed for metallic interfaces submitted to extreme loading conditions with large sliding velocities ( [v] > 100 ms−1) and high contact pressures (P > 1 GPa). This model decomposes the fr
Publikováno v:
International Journal of Impact Engineering. 28:717-741
A numerical approach is developed to incorporate water into a constitutive model ARMOR (a rheological model for rocks) for dry geomaterials. This approach is applied to create a new model known as ARMORS (ARMOR saturated) for partially saturated geom
Publikováno v:
European Journal of Mechanics - B/Fluids. 19:813-830
In this paper we prove the entropy inequality for the Gaussian-BGK model of Boltzmann equation. This model, also called ellipsoidal statistical model, was introduced in order to fit realistic values of the transport coefficients (Prandtl number, seco
Autor:
P. Le Tallec, J. P. Perlat
Publikováno v:
Mathematical Models and Methods in Applied Sciences. 10:127-152
This paper considers the 14 moment expansion of the Boltzmann equation proposed by D. Levermore. After a brief review of this model, we derive weak boundary conditions compatible with the hyperbolic structure of the model, and express in average the
Akademický článek
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Autor:
J. P. Perlat, P. Le Tallec
Publikováno v:
Computational Fluid Dynamics Review 1998: (In 2 Volumes)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::514986aec0ba3a59a3a2c7aca9de6d47
https://doi.org/10.1142/9789812812957_0045
https://doi.org/10.1142/9789812812957_0045
Publikováno v:
Numerical Flow Simulation I ISBN: 9783642535901
Notes on Numerical Fluid Mechanics (NNFM) ISBN: 9783663109181
Notes on Numerical Fluid Mechanics (NNFM) ISBN: 9783663109181
In the present paper we derive fluid dynamic equations by performing asymptotic analysis for the generalized Boltzmann equation for polyatomic gases. In particular, we consider the steady state, one-dimensional Boltzmann equation with one additional
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::615f7f6cf812fe68d2a75a101ee2f52a
https://doi.org/10.1007/978-3-540-44437-4_11
https://doi.org/10.1007/978-3-540-44437-4_11
Akademický článek
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