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国际多尺度计算工程期刊
影响因子: 1.016 5年影响因子: 1.194 SJR: 0.452 SNIP: 0.68 CiteScore™: 1.18

ISSN 打印: 1543-1649
ISSN 在线: 1940-4352

国际多尺度计算工程期刊

DOI: 10.1615/IntJMultCompEng.v3.i4.70
pages 499-516

Coupled Cellular Models for Biofilm Growth and Hydrodynamic Flow in a Pipe

J. P. Eberhard
IWR, Simulation and Technology, University of Heidelberg, 69120 Heidelberg, Germany
Richard E. Ewing
Texas A&M University
A. Cunningham
Center for Biofilm Engineering, Montana State University, Bozeman, MT 59717-3980

ABSTRACT

In this paper, we present a hybrid model for coupling of biofilm growth and hydrodynamic flow in a pipe. A cellular automata model, which is a discrete model, is used to describe the growth of biofilm. This stochastic discrete model is coupled with a continuum model of the fluid flow in a pipe. The potential applications of the proposed model are the flow in drinking-water pipe systems or in aquifers, where the porous media can be represented using pore-network models. The proposed model can be used to perform realistic upscaling of cellular automata models to the continuum scale. Numerical results and extensions of the proposed hybrid model are discussed in the paper.


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