scholarly journals On the Advanced Technique of Mathematical and Computer Simulation of Filtration Processes in Porous Media under the Influence of Physical and Chemical Factors

2019 ◽  
pp. 33-34
Author(s):  
Volodymyr Gerus
Keyword(s):  
Computer Simulation ◽  
Porous Medium ◽  
Porous Media ◽  
Advanced Technique ◽  
Variable Porosity ◽  
Continuity Equations ◽  
Mathematical And Computer Simulation ◽  
Chemical Factors ◽  
Physical And Chemical

The proposed improvement of the technique for deriving filtration equations in soils with variable porosity is described. The technique is based on the application of the apparatus of complete derivatives in the soil phase continuity equations. Examples of filtration equations in the case of a deformable and non-deformable skeleton of a porous medium are given.

Spontaneous alignment in charged‐particle systems: Fixed‐length vs micellar situations

1986 ◽  
Vol 85 (2) ◽  
pp. 1088-1096 ◽  
Author(s):  
William McMullen ◽  
William M. Gelbart ◽  
Yaakov Rosenfeld
Keyword(s):  
Charged Particle ◽  
Particle Systems ◽  
Fixed Length

Estimation of critical values in interacting particle systems

2000 ◽  
Vol 37 (01) ◽  
pp. 118-125
Author(s):  
Raúl Gouet ◽  
F. Javier López ◽  
Gerardo Sanz
Keyword(s):  
Computer Simulation ◽  
Asymptotic Behaviour ◽  
Interacting Particle Systems ◽  
Particle System ◽  
Particle Systems ◽  
Critical Values ◽  
Interacting Particle System ◽  
Absorption Time ◽  
Interacting Particle ◽  
Absorbing State

The estimation of critical values is one of the most interesting problems in the study of interacting particle systems. The bounds obtained analytically are not usually very tight and, therefore, computer simulation has been proved to be very useful in the estimation of these values. In this paper we present a new method for the estimation of critical values in any interacting particle system with an absorbing state. The method, based on the asymptotic behaviour of the absorption time of the process, is very easy to implement and provides good estimates. It can also be applied to processes different from particle systems.

Computer simulation of microstructure and interaction effects in fine particle systems (abstract)

1996 ◽  
Vol 79 (8) ◽  
pp. 6034
Author(s):  
G. N. Coverdale ◽  
R. W. Chantrell ◽  
M. El-Hilo ◽  
K. O’Grady
Keyword(s):  
Computer Simulation ◽  
Fine Particle ◽  
Interaction Effects ◽  
Particle Systems

ON A POSSIBLE CORRESPONDENCE OF THE NEW NARROW RESONANCES IN CHARGED PARTICLE SYSTEMS TO THE RELATIVISTIC COULOMB LEVELS IN CONTINUUM

1990 ◽  
Vol 05 (18) ◽  
pp. 1441-1449 ◽  
Author(s):  
B.A. ARBUZOV ◽  
S.A. SHICHANIN ◽  
E.E. BOOS ◽  
V.I. SAVRIN
Keyword(s):  
Charged Particle ◽  
Heavy Ions ◽  
Particle Systems ◽  
Potential Equation ◽  
Von Neumann ◽  
Electron Positron ◽  
Close Relationship ◽  
Relativistic Coulomb ◽  
Relationship Of ◽  
The Continuum

In the paper the existence of new quasi-stationary levels in the relativistic Coulomb problem is predicted and their positions are calculated on the basis of the numerical solution of the quasi-potential equation. The results obtained are used for interpretation of the narrow electron-positron resonances revealed in heavy ions collisions and of the diproton resonances observed in neutron-proton interactions. The close relationship of the observed states with the von Neumann-Wigner levels embedded in the continuum, is indicated.

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