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CONSERVATIVE SCHEMES OF THE NON-STATIONARY PROBLEM FOR THE OPTIMAL SELECTION OF THE LOCATION OF HEAT SOURCES IN THE ROD

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ARTICLE ANNOTATION

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In this paper, we develop a method and algorithm for solving the problem o f the optimal selection o f the density o f heat sources on the rod in such a way that the temperature inside the considered region is within the given limits. At the same time, heat sources must provide a given temperature regime o f the minimum total power and temperature in a given corridor. Conservative approximations o f the original problem are constructed in the form o f a linear programming problem. A method for constructing conservative schemes for solving the heat equation with variable coefficients, a brief description o f the developed software application for constructing computational grids and solving equations is given. A new method is proposed and justified for the numerical solution o f non-stationary problems o f the optimal selection o f heat sources in the rod. A software application for conducting numerical experiments to solve the problem has been created. A description o f the based algorithm and the results o f numerical experiments is provided.

AUTHORS

M.Tukhtasinov

Узбекистан Миллий университети

B.Khayitkulov

Узбеки стон Миллий университети

Tags

# non-stationary problems# optimal selection# heat sources# heat equation# balance equation# conservation law# integro-interpolation method# implicit schemes# conservative schemes# simplex method# нестационарные задачи# оптимальный выбор# источники тепла# уравнение теплопроводности# уравнение баланса# закон сохранения# интегро- интерполяционный метод# неявные схемы# консервативные схемы# симплекс-метод# ностационар масалалар# оптимал танлаш# иссиклик манбалари# иссиклик таркалиш тенгламаси# баланс тенгламаси# са^ланиш конуни# интеграл- интерполяцион метод# ошкормас схемалар# консерватив схемалар# симплекс методи

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References

1. Butkovskiy A.G. Methods of controlling distributed parameter systems. Moscow, Nauka Publ., 1975, 568 p.

2. Osipov O.V. Optimum location of heat sources in an inhomogeneous environment. 2013, Bulletin of BSTU named after V.G. Shukhov, no. 1,154-158 p.

3. Akhmetzyanov A.V., Kulibanov V.N. Optimal placement of sources for stationary scalar fields. Automation and Remote Control, 1999, vol. 60, iss. 6, pp. 797-804.