Parallel algorithm for numerical solution of heat equation in complex cylindrical domain

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In this article we present a parallel algorithm for simulation of the heat conduction process inside the so-called pulse cryogenic cell. This simulation is important for designing the device for portion injection of working gases into ionization chamber of ion source. The simulation is based on the numerical solving of the quasilinear heat equation with periodic source in a multilayered cylindrical domain. For numerical solution the Alternating Direction Implicit (ADI) method is used. Due to the non-linearity of the heat equation the simple-iteration method has been applied. In order to ensure convergence of the iteration process, the adaptive time-step has been implemented. The parallelization of the calculation has been realized with shared memory application programming interface OpenMP and the performance of the parallel algorithm is in agreement with the case studies in literature.

Sobre autores

Alexander Ayriyan

Joint Institute for Nuclear Research

Autor responsável pela correspondência
Email: ayriyan@jinr.ru

researcher of the Laboratory of Information Technologies

Ján Buša Jr

Joint Institute for Nuclear Research ; Institute of Experimental Physics, Slovak Academy of Sciences

Email: busa@jinr.ru

PhD in Mathematics, Senior Researcher of the Laboratory of Information Technologies

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