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Percolation Theory and Forest Fires --Finite Percolation Network
马剑 2007-11-20 09:08
Finite Percolation Network The model of the fire spread network is a finite model on the Euclidean Delaunay Triangulation in E 2 . There are many possible percolation models of networks on spanning trees and other graph structures. However, the modeling of fire spread on the Delaunay triangula ...
个人分类: 复杂系统|5067 次阅读|没有评论
Percolation Theory and Forest Fires --Forest Fire Modeling
马剑 2007-11-20 09:05
Forest Fire Modeling Percolation has been used to model fire spread on a square lattice, each square representing a tree earlier as one of the Applications of Percolation Theory. Here we represent the forest as a Voronoi Network. The fire spread network (graph) F ...
个人分类: 复杂系统|6898 次阅读|没有评论
Percolation Theory and Forest Fires -- Applications
马剑 2007-11-20 09:04
Applications of Percolation Theory Percolation is a model for disordered media. Below, we consider some applications of percolation theory that illustrate the modeling aspects of percolation in diverse situations. 1. Forest fires The propagation of a fire thou ...
个人分类: 复杂系统|6933 次阅读|没有评论
Percolation Theory and Forest Fires--Types of Percolation
马剑 2007-11-20 09:03
Types of Percolation There are two types of percolation, depending how one views the lattice: site percolation and bond percolation. In site percolation one views the lattice as a rectangular array of squares. Each square is populated by a dot, or is colored blac ...
个人分类: 复杂系统|5658 次阅读|没有评论
Percolation Theory and Forest Fires --Introduction
马剑 2007-11-20 09:01
Introduction to Percolation Theory We illustrate percolation with an example. A square lattice is shown in Figure 1a. Imagine the lattice to be infinitely extended in all directions. Let's label each square of the lattice to be either in ...
个人分类: 复杂系统|6538 次阅读|没有评论
Percolation Theory
马剑 2007-11-20 08:35
Percolation Theory Percolation theory was developed to mathematically deal with disordered media, in which the disorder is defined by a random variation in the degree of connectivity . The main concept of percolation theory is the existence of a percolation threshold, defined in the f ...
个人分类: 复杂系统|15004 次阅读|没有评论

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