Sensitivity Analysis and Inverse Problems in Microscale Heat Transfer

Abstract:

In the paper the selected problems related to the modeling of microscale heat transfer are presented. In particular, thermal processes occurring in thin metal films exposed to short-pulse laser are described by two-temperature hyperbolic model supplemented by appropriate boundary and initial conditions. Sensitivity analysis of electrons and phonons temperatures with respect to the microscopic parameters is discussed and also the inverse problems connected with the identification of relaxation times and coupling factor are presented. In the final part of the paper the examples of computations are shown.

• Periodical: Defect and Diffusion Forum (Volume 362)
• Pages: 209-223
• DOI: https://doi.org/10.4028/www.scientific.net/DDF.362.209
• Online since: April 2015
• Authors: Ewa Majchrzak*, Jolanta Dziatkiewicz, Łukasz Turchan
• Keywords: Finite Difference Method, Inverse Problems, Microscale Heat Transfer, Sensitivity Analysis, Two-Temperature Hyperbolic Model

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