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KIAM Preprint  80, Moscow, 2019
Authors: Alekseev M. V., Egorova V. A., Zhukovsky M. E., Sadovnichiy D.N., Tarakanov I. A., Uskov R.V.
On modeling of the radiation-induced charge effects in the fine dispersed materials of closed-cell structure
Abstract:
Supercomputer simulation algorithms for investigation of radiation-induced charge effects in heterogeneous polydisperse materials with direct account of their microstructure are developed. A geometric model of the heterogeneous environment is worked out with the use of algorithms Stillinger-Lubachevsky for multimodal structures. The model includes a discrete system of detectors for statistical evaluation of functionals on the space of solutions of the photon-electron cascade transport equations. The results of the demonstration calculations of the parameters of the charge fields are presented. It is shown the spatial distribution of radiation-induced charges has a sharply inhomogeneous structure due to the presence of the boundaries of materials with strongly different radiation properties.
Keywords:
mathematical modeling, ionizing radiation, charge effects, polydispersed structure
Publication language: russian,  pages: 15
Research direction:
Mathematical modelling in actual problems of science and technics
Russian source text:
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About authors:
  • Alekseev Mikhail Vladislavovich,  orcid.org/0000-0003-0231-6095KIAM RAS
  • Egorova Varvara Alekseevna,  orcid.org/0000-0003-0214-5839KIAM RAS
  • Zhukovsky Mikhail Evgenievich,  orcid.org/0000-0001-5886-3026KIAM RAS
  • Sadovnichiy Dmitriy Nikolaevich, 
  • Tarakanov Ilya Alekseyevich,  orcid.org/0000-0002-9658-3479KIAM RAS
  • Uskov Roman Vladimirovich,  KIAM RAS