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Parameter identification in reaction-diffusion models by hom...

Parameter identification in reaction-diffusion models by homotopy method

作     者:张文禹 Liu Bo 

作者单位:吉林大学数学研究所 School of Mathematics Jilin University 

会议名称:《中国交叉科学学会第15届学术年会》

会议日期:2014年

学科分类:081704[工学-应用化学] 07[理学] 08[工学] 0817[工学-化学工程与技术] 081701[工学-化学工程] 070102[理学-计算数学] 0701[理学-数学] 

关 键 词:Parameter identification Reaction-diffusion equations Homotopy method Numerical experiments 

摘      要:We consider certain one-dimensional reaction-diffusion models for two chemical substances with concentrations A(the reducing agent) and B(the coupler).The reducing agent diffuses and combines with the *** the diffusion coefficient D(x) and the reaction rate k are *** that final time(t=T) measurements on A(x,T) and B(x,T) are given,the problem is therefore to identify D(x) and k.A homotopy method is proposed to allow us to identify these coefficients and some numerical experiments are made.

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