Random-walk simulation of the dielectric constant of a composite material

1990 ◽  
Vol 42 (8) ◽  
pp. 5342-5344 ◽  
Author(s):  
R. I. Cukier ◽  
S. Y. Sheu ◽  
J. Tobochnik
Keyword(s):  
Dielectric Constant ◽  
Composite Material ◽  
Random Walk ◽  
Random Walk Simulation

The Study of Dielectric Constant Inversion of Coconut Fiber/Gypsum Composite Based on the λ/4 Absorption Spectrum

2014 ◽  
Vol 1030-1032 ◽  
pp. 400-403
Author(s):  
Qian Qian Chu ◽  
Hui Chao Zhao ◽  
Wan Jun Hao ◽  
Ying Ying Yi ◽  
Yi Feng Dong ◽  
...  
Keyword(s):  
Dielectric Constant ◽  
Composite Material ◽  
Absorption Spectrum ◽  
Composite Materials ◽  
Experimental Verification ◽  
Complex Permittivity ◽  
Functional Materials ◽  
Coconut Fiber ◽  
Inversion Theory ◽  
Equivalent Complex

The measurement of the complex permittivity of big structure composite material has always been a key and difficulty in the preparation of electromagnetic functional materials. In this paper the average dielectric constant inversion of coconut fiber/gypsum composite in S band is studied based on λ/4 absorption spectrum. First the absorbing effects of the prepared coconut fiber gypsum composite materials are tested with method of flat reflection. Then the equivalent complex permittivity is inversed with the inversion theory. Further the experimental verification is preceded that the theoretical and experimental absorbing curves whose peak positions are respectively at 3.05GHz and 2.45GHz are quite matched. And the study shows that this method is scientific and effective, and it can provide technical support for the baroque electromagnetic functional composite materials.

An Approach Toward Emulating Molecular Interaction with a Graph

2006 ◽  
Vol 59 (12) ◽  
pp. 869 ◽  
Author(s):  
Hideaki Suzuki
Keyword(s):  
Random Walk ◽  
Molecular Interaction ◽  
Hard Sphere ◽  
Dimensional Space ◽  
Three Dimensional ◽  
Atomic Clusters ◽  
Experimental Results ◽  
Random Walk Simulation ◽  
Mathematical Graph ◽  
Three Dimensional Space

Network artificial chemistry (NAC) uses a mathematical graph to emulate molecular interaction in a solvent. To emulate molecules' movement in a three-dimensional space, rewiring rules for NAC graphs’ edges must be designed to enable the edges to imitate the relations between molecules or atomic clusters. Our research formulated the ‘network energy’ representing this constraint and rewired the NAC graph to minimize the required energy. Experimental results for the NAC rewiring are compared with a hard-sphere random walk simulation.

Random-walk simulation of diffusion-controlled processes among static traps

1989 ◽  
Vol 39 (16) ◽  
pp. 11833-11839 ◽  
Author(s):  
Sang Bub Lee ◽  
In Chan Kim ◽  
C. A. Miller ◽  
S. Torquato
Keyword(s):  
Random Walk ◽  
Controlled Processes ◽  
Diffusion Controlled ◽  
Random Walk Simulation

Equivalent-circuit, scaling, random-walk simulation, and an experimental study of self-similar fractal electrodes and interfaces

1993 ◽  
Vol 48 (5) ◽  
pp. 3333-3344 ◽  
Author(s):  
B. Sapoval ◽  
R. Gutfraind ◽  
P. Meakin ◽  
M. Keddam ◽  
H. Takenouti
Keyword(s):  
Experimental Study ◽  
Random Walk ◽  
Equivalent Circuit ◽  
Self Similar ◽  
Random Walk Simulation

Multiple Random Walk Simulation: A Fast Method to Map Grade Uncertainty with Large Datasets

2016 ◽  
Vol 26 (2) ◽  
pp. 213-221 ◽  
Author(s):  
Rafael Moniz Caixeta ◽  
Diniz Tamantini Ribeiro ◽  
João Felipe Coimbra Leite Costa ◽  
Péricles Lopes Machado
Keyword(s):  
Random Walk ◽  
Large Datasets ◽  
Fast Method ◽  
Random Walk Simulation ◽  
Grade Uncertainty
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