An Efficient Algorithm for the Numerical Solution of a Three-dimensional Thermal Conductivity Issue
- Authors: Vargin A.V.1, Levitskiy I.A.1
-
Affiliations:
- National Research Technological University “MISIS”
- Issue: Vol 10, No 4 (2023)
- Pages: 56-62
- Section: MATHEMATICAL MODELING, NUMERICAL METHODS AND COMPLEX PROGRAMS
- URL: https://journals.rcsi.science/2313-223X/article/view/251951
- DOI: https://doi.org/10.33693/2313-223X-2023-10-4-56-62
- ID: 251951
Cite item
Abstract
A mathematical model of slab heating based on a numerical solution of a three-dimensional thermal conductivity problem has been created and programmatically implemented in the work. To solve a system of difference equations, a layer-by-layer method is proposed that allows using the run-through method to solve a system of difference equations of a three-dimensional problem within a rapidly converging iterative procedure. Comparative calculations of slab heating are carried out using the proposed layer-by-layer method and the method of simple iteration with different degrees of grinding of the spatial grid. As a result, it was found that with the grinding of the mesh, the effectiveness of the layered method in relation to the simple iteration method increases.
Full Text
##article.viewOnOriginalSite##About the authors
Aleksander V. Vargin
National Research Technological University “MISIS”
Author for correspondence.
Email: mr.vargin@yandex.ru
ORCID iD: 0000-0001-8657-8716
PhD student
Russian Federation, MoscowIgor A. Levitskiy
National Research Technological University “MISIS”
Email: lewwwis@mail.ru
ORCID iD: 0000-0002-9345-3628
Cand. Sci. (Eng.), Associate Professor
Russian Federation, MoscowReferences
- Timoshpolskiy V.I., Trusova I.A., Mendeleev D.V., Ratnikov P.E. Analysis of methods of mathematical modeling of heat transfer processes in industrial furnaces for metal heating. Casting and metallurgy. 2012. Vol. 2. No. 65. Pp. 102–107. (In Rus.).
- Kurnosov V.V., Levitskii I.A., Pribytkov I.A. Massive billets different rates heating in batch furnaces study. Izvestiya. Ferrous Metallurgy. 2012. Vol. 55. No. 9. Pp. 27–31. (In Rus.)
- Ganul A.O., Dozhdikov V.I., Mordovkin D.S. The mathematical model of heating the metal in the continuous furnace taking into account the preliminary air heating. Izvestiya. Ferrous Metallurgy. Bulletin of Scientific, Technical and Economic Information. 2018. No. 1 (1). Pp. 102–105. (In Rus.)
- Arutyunov V.A., Bukhmirov V.V., Krupennikov S.A. Mathematical modeling of thermal operation of industrial furnaces. Moscow: Metallurgiya. 1990. 239 p.
- Tikhonov A.N., Samarskii A.A. Equations of mathematical physics. Moscow: Nauka. 2014. 724 p.
- Samarskii A.A. Introduction to numerical methods. Moscow: Nauka. 1997. 239 p.
- Dulnev G.N., Parfenov V.G., Sigalov A.V. The use of computers for solving heat transfer problems. Moscow: Higher School. 1990. 207 p.
- Abdukodirov I.B., Vargin A.V., Levitskii I.A. Mathematical model of slab heating in a furnace with walking beams. News of Higer Educations School. Ferrous Metallurgy. Bulletin of Scientific, Technical and Economic Information. 2023. Vol. 66. No. 1. Pp. 112–118. (In Rus.)