Results 201 to 210 of about 91,082 (255)

Finite-dimensional oscillatory models in the general theory of relativity and in gas dynamics

Journal of Soviet Mathematics, 1983
The methods of the qualitative theory of differential equations are applied for the investigation of homogeneous cosmological models and to models of stellar explosion in the classical gas dynamics. The strong degeneracy of the singular points of a dynamical system are investigated by their successive solving with the aid of special changes of ...
Bogoyavlenskij, O. I., Novikov, S. P.
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THE PROBLEM OF A GENERALIZED SOLUTION IN THE THEORY OF QUASILINEAR EQUATIONS AND IN GAS DYNAMICS

Russian Mathematical Surveys, 1962
S K Godunov
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A new class of exact solutions of von Karman’s equation in the nonlinear theory of gas dynamics

Georgian Mathematical Journal, 2022
In this paper, by using invariants of Riemann and general solutions of Euler–Poisson–Darboux–Riemann equations, a new class of exact solutions of von Karman’s equation in the nonlinear theory of gas dynamics is given.
O. Jokhadze
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Generalized Langevin theory for gas/solid processes: Dynamical solid models

The Journal of Chemical Physics, 1976
A new class of smooth and structured solid models is developed from the generalized Langevin theory of gas/solid processes [S. A. Adelman and J. D. Doll, J. Chem. Phys. 64, 2375 (1976)], and numerical results for scattering off the simplest of these model solids are presented.
S. A. Adelman, B. J. Garrison
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Generalized Langevin theory for gas–solid processes: Continuum elastic treatment of surface lattice dynamics

The Journal of Chemical Physics, 1979
Model studies of the systematics of elementary atom–solid energy exchange processes are presented. The studies are based on the generalized Langevin equation (GLE) classical trajectory method [S. A. Adelman and J. D. Doll, J. Chem. Phys. 64, 2375 (1976)] and on a full isotropic continuum elastic treatment of both bulk and surface solid atom velocity ...
Alain C. Diebold, S. A. Adelman, Chung Y. Mou   +2 more
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Generalized Langevin theory for many-body problems in chemical dynamics: Gas-surface collisions, vibrational energy relaxation in solids, and recombination reactions in liquids

The Journal of Chemical Physics, 1980
Model classical trajectory simulations of gas-solid inelastic collisions, vibrational energy relaxation of a diatom in a solid, and atomic recombination reactions in a liquid are presented. These simulations are first applications of the molecular timescale generalized Langevin equation (MTGLE) theory [S. A. Adelman, Adv, Chem. Phys.
C. L. Brooks, M. Berkowitz, S. A. Adelman   +2 more
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Generalized Langevin theory of gas/solid-surface dynamics: A formulation for thermal desorption

The Journal of Chemical Physics, 1978
Thermal desorption is examined using a combination of recently developed generalized Langevin methods and techniques related to Bennett’s induced trajectory approach. The combined methods appear well suited for the treatment of the dynamics of infrequent, many-body events.
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Multistate coupled quantum dynamics of photoexcited cytosine in gas-phase: Nonadiabatic absorption spectrum and ultrafast internal conversions

Chemistry Physics, 2018
Quantum dynamics simulations, with the Multiconfigurational Time Dependent Hartree method, are used to assign the very broad absorption spectrum of Cytosine in gas phase and study the relation between spectral features and the ultrafast internal ...
Yanli Liu, Lara Martínez-Fernández, J. Cerezo, G. Prampolini, R. Improta, F. Santoro   +5 more
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