Travel Time and Heat Equation. One space dimensional case II
Masaru Ikehata
Abstract
Three inverse boundary value problems for the heat equations in one space dimension are considered. Those three problems are: extracting an unknown interface in a heat conductive material, an unknown boundary in a layered material or a material with a smooth heat conductivity by employing a single set of the temperature and heat flux on a known boundary as the observation data. Some extraction formulae of those discontinuities which suggest a relationship between the travel time of a virtual signal and the observation data are given by applying the enclosure method to the problems.
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