Abstract
The paper is aimed to develop and investigate efficient parallel algorithms for solving heat-transfer equations in a three-dimensional domain. Applying the alternating-direction finite-difference scheme, the problem is reduced to solving multiple SLAEs with tridiagonal matrices. In this work, several approaches to computing the coefficients of these systems are implemented. To solve the systems, the sweep method is used. Parallel algorithms are implemented for multicore processors using OpenMP technology. The results of numerical experiments and the evaluation of the algorithms efficiency are presented. A comparison of the computing times shows that the new implementation is up to two times faster than the earlier one.
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Akimova, E.N., Misilov, V.E. (2022). Simulation of Nonstationary Thermal Fields in Permafrost Using Multicore Processors. In: Sokolinsky, L., Zymbler, M. (eds) Parallel Computational Technologies. PCT 2022. Communications in Computer and Information Science, vol 1618. Springer, Cham. https://doi.org/10.1007/978-3-031-11623-0_21
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