The use of finite element method for simulation of heat conductivity processes in polar dielectrics irradiated by electron bunches

Maslovskaya A.G., Sivunov A.V.
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The paper describes the results of computer simulation of time-dependent temperature fields arising in polar dielectrics irradiated by focused electron bunches with average electron energy when analyzing with electron microscopy techniques. The mathematical model was based on solving several-dimensional nonstationary heat conduction equation with use of numerical finite element method. The approximation of thermal source was performed taking into account the estimation of initial electron distribution determined by Monte-Carlo simulation of electron trajectories. The simulation program was designed in Matlab. The geometrical modeling and calculation results demonstrated the main features of model sample heating by electron beam were presented at the given experimental parameters as well as source approximation.

Keywords: simulation, finite element method, electron irradiation, polar dielectric, thermal conductivity process
Citation in English: Maslovskaya A.G., Sivunov A.V. The use of finite element method for simulation of heat conductivity processes in polar dielectrics irradiated by electron bunches // Computer Research and Modeling, 2012, vol. 4, no. 4, pp. 767-780
Citation in English: Maslovskaya A.G., Sivunov A.V. The use of finite element method for simulation of heat conductivity processes in polar dielectrics irradiated by electron bunches // Computer Research and Modeling, 2012, vol. 4, no. 4, pp. 767-780
DOI: 10.20537/2076-7633-2012-4-4-767-780
URL: http://crm-en.ics.org.ru/journal/article/1955/
Creative Commons License This work is licensed under a Creative Commons Attribution-NoDerivs 3.0 Unported License.
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