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L. F. Spevak, O. A. Nefedova


DOI: 10.17804/2410-9908.2021.6.60-71

The paper develops a parallel algorithm and program for solving nonstationary heat conduction and diffusion problems in axisymmetric domains with axisymmetric boundary conditions. The numerical solution is based on the boundary element method. In order to optimize and enhance the effectiveness of the computer implementation of the algorithm, the computations are parallelized and the OpenMP application program interface is used. The program is tested by comparing the calculation results with the data of known exact solutions. The calculations confirm the correctness of the numerical solutions and the possibility of full scaling at different numbers of boundary elements according to the number of cores/processors available. The program is applicable to solving axisymmetric heat conduction and diffusion problems and, as a component of a software system, to solving nonlinear problems.

Acknowledgments: The work was performed under a state assignment, state registration number AAAA-A18-118020790140-5.

Keywords: axisymmetric heat conduction problem, boundary element method, parallel computations, OpenMP


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Article reference

Spevak L. F., Nefedova O. A. Parallel Technology for Solving Nonstationary Heat Conduction Problems in Axisymmetric Domains // Diagnostics, Resource and Mechanics of materials and structures. - 2021. - Iss. 5. - P. 60-71. -
DOI: 10.17804/2410-9908.2021.6.60-71. -
URL: http://eng.dream-journal.org/issues/2021-5/2021-5_349.html
(accessed: 09/29/2023).


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