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KIAM Preprint № 82, Moscow, 2020
Authors: Galanin M.P., Rodin A.S.
Simulation of contact interaction of electromagnetic accelerator elements using domain decomposition method
The problem of contact interaction of elements of the electromagnetic accelerator barrel is considered. Two-dimensional elastic approximation is used. Design area includes rail, insulator and overwrap. It is believed that they are made of isotropic materials that differ significantly in their properties. To solve the problem, a two-level Schwartz additive method is used, using which the problem in the entire domain is reduced to solving a number of local contact problems in the entered sub- domains. The results of calculations for two versions of contact conditions are presented: adhesion conditions and sliding conditions without friction. Comparative analysis of stress-strain state of accelerator barrel for each case was carried out.
domain decomposition method, two-level Schwarz additive method, Neumann-Dirichlet method, contact interaction, electromagnetic accelerator
Publication language: russian,  pages: 20
Research direction:
Mathematical modelling in actual problems of science and technics
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About authors:
  • Galanin Mikhail Pavlovich, RAS
  • Rodin Alexandr Sergeevich, RAS