Identify the interfacial configurations in a multiple region domain problem

Cheng Hung Huang, Chen Chung Shih

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)


A two-dimensional inverse geometry problem, that is, a shape identification problem, of estimating the interfacial geometry in a multiple region domain, is solved in this study based on the conjugate gradient and boundary element methods. It is assumed that no prior information is available on the functional form of the unknown interfacial geometry in this work; thus, it is classified as the function estimation in the inverse calculation. The accuracy of the inverse analysis is examined using simulated temperature measurements. This approach can be applied to many applications, such as interfacial geometry identification for phase change (Stefan) problems. Numerical experiments using different numbers of sensors, measurement errors, and positions are performed to justify the validity of the present algorithm in solving the shape identification problem. Finally it is concluded that the conjugate gradient method can estimate the reliable interfacial configuration.

Original languageEnglish
Pages (from-to)533-541
Number of pages9
JournalJournal of thermophysics and heat transfer
Issue number4
Publication statusPublished - 2005

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Aerospace Engineering
  • Mechanical Engineering
  • Fluid Flow and Transfer Processes
  • Space and Planetary Science


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