ARTICLE
Application of the Alternating Direction Implicit Method for numerical solution of the dual-phase lag equation
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Czestochowa University of Technology, Institute of Computer and Information Sciences, Częstochowa
Submission date: 2017-01-25
Acceptance date: 2017-02-16
Online publication date: 2017-07-15
Publication date: 2017-07-15
Journal of Theoretical and Applied Mechanics 2017;55(3):839-852
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ABSTRACT
The problem discussed in the paper concerns the numerical modeling of thermal processes
proceeding in micro-scale described using the Dual Phase Lag Model (DPLM) in which
the relaxation and thermalization time appear. The cylindrical domain of a thin metal film
subjected to a strong laser pulse beam is considered. The laser action is taken into account by
the introduction of an internal heat source in the energy equation. At the stage of numerical
modeling, the Control Volume Method is used and adapted to resolve the hyperbolic partial
differential equation. In particular, the Alternating Direction Implicit (ADI) method for
DPLM is presented and discussed. The examples of computations are also presented.