title: ÐÐ¾Ð½ÐµÑÐ½Ð¾-ÑÐ»ÐµÐ¼ÐµÐ½ÑÐ½Ð¾Ðµ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ðµ Ð½ÐµÑÑÐ°ÑÐ¸Ð¾Ð½Ð°ÑÐ½ÑÑ ÑÐ¸Ð·Ð¸ÐºÐ¾-Ð¼ÐµÑ Ð°Ð½Ð¸ÑÐµÑÐºÐ¸Ñ Ð¿ÑÐ¾ÑÐµÑÑÐ¾Ð² Ð² Ð¸Ð¼Ð¿ÑÐ»ÑÑÐ½Ð¾Ð¼ Ð¼Ð°Ð³Ð½Ð¸ÑÐµ
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
title: Finite element study of unsteady physical and mechanical processes in a pulsed magnet
Creators: name: Ð¡ÐºÑÑÐ¸Ð½, ÐÐ¸ÐºÐ¸ÑÐ°
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2021
Subjects: ÐºÐ°ÑÑÑÐºÐ° Ð¸Ð½Ð´ÑÐºÑÐ¸Ð²Ð½Ð¾ÑÑÐ¸
Ð½Ð°Ð¿ÑÑÐ¶ÐµÐ½Ð¸Ñ Ð¿Ð¾ Ð¼Ð¸Ð·ÐµÑÑ
Ð²ÐµÐºÑÐ¾Ñ Ð¼Ð°Ð³Ð½Ð¸ÑÐ½Ð¾Ð¹ Ð¸Ð½Ð´ÑÐºÑÐ¸Ð¸
Ð¼ÐµÑÐ¾Ð´ ÐºÐ¾Ð½ÐµÑÐ½ÑÑ ÑÐ»ÐµÐ¼ÐµÐ½ÑÐ¾Ð²
Ð¿Ð»Ð¾ÑÐ½Ð¾ÑÑÑ ÑÐ¾ÐºÐ°
induction coil
comsol
von mises stress
vector of magnetic induction
finite element method
current density

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description: The subject of research is the process of action of the Ampere force on an inductor located in an air environment. The topic is a finite element study of non-stationary physical and mechanical processes in a pulsed magnet. The purpose of this work is to study the maximum values of the stress arising in the coil due to the action of electromagnetic forces, depending on the duration of the impulse load, with different distributions of current density, as well as a result of the action of Joule heating, and the development of effective proposals for minimizing these stresses. Research methods and methodology: derivation of analytical formulas, carrying out numerical experiments, comparative analysis. As a result of the study, three distributions of the current density over the cross section were compared and the distribution was revealed at which von Mises stress in the solenoid are minimal. The field of application of the results of this study is the technique of pulsed magnetic fields. The maximum values of von Mises stress in the inductor have the smallest value in the problem with the current density decreasing quadratically along the radius. It is also possible to reduce the stresses in the coil by choosing such a duration of the impulse load that the von Mises stress will be minimal. This is due to the partial compensation of stresses from the action of the Ampere force, stresses arising from thermal expansion during Joule heating.