Skip to content

Cellular Automata and Lattice Gases papers — page 4

comp-gasBrowse archive

New Results for Diffusion in Lorentz Lattice Gas Cellular Automata
New calculations to over ten million time steps have revealed a more complex diffusive behavior than previously reported, of a point particle on a square and triangular lattice randomly occupied by…
E. G. D. Cohen, F. WangJan 12, 1995
Learn
Renormalized Equilibria of a Schloegl Model Lattice Gas
A lattice gas model for Schloegl's second chemical reaction is described and analyzed. Because the lattice gas does not obey a semi-detailed-balance condition, the equilibria are non-Gibbsian. In…
Bruce M. Boghosian, Washington TaylorJan 7, 1995
Learn
Algebraic Spatial Correlations and Non-Gibbsian Equilibrium States
Non-Gibbsian stationary states occur in dissipative non-equilibrium systems. They are closely connected with the lack of detailed balance and the absence of a fluctuation-dissipation theorem. These…
M. H. Ernst, H. J. BussemakerJan 4, 1995
Learn
Renormalization of Lattice Gas Transport Coefficients
A method is described for calculating corrections to the Boltzmann/Chapman-Enskog analysis of lattice gases due to the buildup of correlations. It is shown that renormalized transport coefficients…
Bruce M. Boghosian, Washington TaylorDec 1, 1994
Learn
Deterministic Chaos in Tropical Atmospheric Dynamics
We examine an 11-year data set from the tropical weather station of Tlaxcala, Mexico. We find that mutual information drops quickly with the delay, to a positive value which relaxes to zero with a…
H. WaelbroeckOct 17, 1994
Learn
Heat Transfer in Lattice BGK Modeled Fluid
The thermal lattice BGK model is a recently suggested numerical tool which aims to simulate thermohydrodynamic problems. We investigate the quality of the lattice BGK simulation by calculating the…
Y. Chen, H. Ohashi, M. AkiyamaSep 2, 1994
Learn
Recognition of Temporal Sequences of Patterns
Using an asymmetric associative network with synchronous updating, it is possible to recall a sequence of patterns. To obtain a stable sequence generation with a large storage capacity, we introduce…
F. Zertuche, R. López-Peña, H. WaelbroeckAug 26, 1994
Learn
Nonlinear Analysis of Experimental Noisy Time Series in Fluidized Bed Systems
The paper describes the application of some numerical techniques to analyze and to characterize the observed dynamical behaviour of fluidized bed systems. The preliminary results showed clearly that…
E. Caputo, S. Sello, ; V. MarcolongoAug 2, 1994
Learn
Cellular Automaton for Realistic Modelling of Landslides
A numerical model is developed for the simulation of debris flow in landslides over a complex three dimensional topography. The model is based on a lattice, in which debris can be transferred among…
Enrico Segre, Istituto di Cosmogeofisica, CNR et al.Jul 15, 1994
Learn
Flow in the Driven Cavity Calculated by the Lattice Boltzmann Method
The lattice Boltzmann method with enhanced collisions and rest particles is used to calculate the flow in a two-dimensional lid-driven cavity. The abilitity of this method to compute the velocity and…
W. MillerJul 8, 1994
Learn
Testing For Nonlinearity Using Redundancies: Quantitative and Qualitative Aspects
A method for testing nonlinearity in time series is described based on information-theoretic functionals -- redundancies, linear and nonlinear forms of which allow either qualitative, or, after…
Milan PALUSJun 30, 1994
Learn
Theoretical approach to two-dimensional traffic flow models
In this paper we present a theoretical analysis of a recently proposed two-dimensional Cellular Automata model for traffic flow in cities with the novel ingredient of turning capability. Numerical…
J. M. Molera, F. C. Martinez, J. A. Cuesta et al.Jun 24, 1994
Learn
Abstracts for the June 27-29 Princeton Conference: Discrete Models for Fluid Mechanics
Submitted by the authors for the June 27-29 Princeton Conference. Questions should be directed to: qian@cfd.princeton.edu
Yue-Hong QianMay 30, 1994
Learn
Generalized redundancies for time series analysis
Extensions to various information theoretic quantities used for nonlinear time series analysis are discussed, as well as their relationship to the generalized correlation integral. It is shown that…
Dean Prichard, James TheilerMay 27, 1994
Learn
The correlation dimension of differenced data
The effect differencing has on the estimated correlation dimension of a nongaussian time series is discussed. Two different methods for generating surrogate data sets are compared. The results…
Dean PrichardMay 27, 1994
Learn
A Class of Fast Methods for Processing Irregularly Sampled or Otherwise Inhomogeneous One-Dimensional Data
With the ansatz that a data set's correlation matrix has a certain parametrized form (one general enough, however, to allow the arbitrary specification of a slowly-varying decorrelation distance…
George B. Rybicki, William H. PressMay 20, 1994
Learn
Growth Kinetics in Multicomponent Fluids
The hydrodynamic effects on the late stage kinetics in spinodal decomposition of multicomponent fluids are examined using a lattice Boltzmann scheme with stochastic fluctuations in the fluid and at…
Shiyi Chen, Turab LookmanMay 18, 1994
Learn
Generating surrogate data for time series with several simultaneously measured variables
We propose an extension to multivariate time series of the phase-randomized Fourier-transform algorithm for generating surrogate data. Such surrogate data sets must mimic not only the…
Dean Prichard, James TheilerMay 12, 1994
Learn
Lattice Gas Automata: a discrete model for simulation of continuous transport phenomena in packages of agricultural products
A Lattice Boltzmann scheme has been applied to the problem of heat and mass transport in packagings of cut flowers. The LB scheme, simulating convection-diffusion processes and heat and mass transfer…
R. G. M. van der Sman, M. F. M. JanssensMay 3, 1994
Learn
Generalized Boltzmann Equation for Lattice Gas Automata
In this paper, for the first time a theory is formulated that predicts velocity and spatial correlations between occupation numbers that occur in lattice gas automata violating semi-detailed balance.…
H. J. Bussemaker, M. H. Ernst, J. W. DuftyApr 26, 1994
Learn
Transforming Signs to Phase Distributions in Quantum Simulations
A method is developed which speeds up averaging in quantum simulations where minus signs cause difficulties. A Langevin equation method in conjunction with a replication algorithm is used enabling…
J. M. DeutschApr 14, 1994
Learn
Application of Complex Daubechies' Wavelets to Numerical Simulation of a Nonlinear Signal Propagation Model
We report the first application of complex symmetric wavelets to the numerical simulation of a nonlinear signal propagation model. This model is the so-called nonlinear Schrodinger equation that…
L. Gagnon, J. M. Lina, B. GoulardMar 31, 1994
Learn
Lattice-Gas Automata Fluids on Parallel Supercomputers
A condensed history and theoretical development of lattice-gas automata in the Boltzmann limit is presented. This is provided as background to set up the context for understanding the implementation…
Jeffrey Yepez, Guy P. Seeley, Norman MargolusMar 19, 1994
Learn
A Lattice-Gas with Long-Range Interactions Coupled to a Heat Bath
Introduced is a lattice-gas with long-range 2-body interactions. An effective inter-particle force is mediated by momentum exchanges. There exists the possibility of having both attractive and…
Jeffrey YepezMar 18, 1994
Learn
Correlations and Renormalization in Lattice Gases
A complete formulation is given of an exact kinetic theory for lattice gases. This kinetic theory makes possible the calculation of corrections to the usual Boltzmann / Chapman-Enskog analysis of…
Bruce M. Boghosian, Washington TaylorMar 11, 1994
Learn
← PreviousPage 4Next →