An adaptive level set approach for modeling damage due to galvanic corrosion

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• 作者：Joseph W. Wilder (1)
  Curtis Clemons (1)
  Dmitry Golovaty (1)
  Kevin L. Kreider (1)
  Gerald W. Young (1)
  R. Scott Lillard (2)
  
  1. Department of Mathematics ; The University of Akron ; 302 Buchtel Common ; Akron ; OH聽 ; 44325 ; USA
  2. Department of Chemical Engineering ; The University of Akron ; 302 Buchtel Common ; Akron ; OH聽 ; 44325 ; USA
  
• 关键词：Adaptive grid ; Corrosion ; Level set
• 刊名：Journal of Engineering Mathematics
• 出版年：2015
• 出版时间：April 2015
• 年：2015
• 卷：91
• 期：1
• 页码：121-142
• 全文大小：2,323 KB
• 参考文献：1. Nestor, P (2004) Electrochemistry and corrosion science. Springer, New York
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• 刊物类别：Physics and Astronomy
• 刊物主题：Physics
  Mechanics
  Applications of Mathematics
  Analysis
  Mathematical Modeling and IndustrialMathematics
  Numeric Computing
  
• 出版者：Springer Netherlands
• ISSN：1573-2703

文摘

This article presents an approach to solving problems related to galvanic corrosion that involve moving boundaries (due to preferential corrosion of one of the metals in the system). The method incorporates an adaptive (node based, finite difference) grid technique for the treatment of boundary-related singularities that arise in the calculation of the electric potential. Simulation of the time evolution of the damage done by the corroding interface is performed using of a level set formulation. An analysis of the convergence of the method and a comparison with experimental data from the literature are included.