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Proceedings Paper

Three-dimensional numeric calculation of electrostatic field with universal algorithm of surface-charge singularities treatment based on the Fichera's method
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Paper Abstract

The algorithm of three-dimensional numerical computation of electrostatic fields based on the first-kind Fredholm integral equations with finite element approximation of electrodes' surface geometry and charge distribution on a triangular mesh is proposed. Using the Fichera's theorems for special treatment of surface charge singularities in the vicinity of electrodes' vertexes and ribs provides high calculation accuracy with acceptable CPU time consumption. It makes the software based on the proposed algorithm effective for solving the problems of precise charge particle optics.

Paper Details

Date Published: 1 April 2003
PDF: 14 pages
Proc. SPIE 5025, Fifth Seminar on Problems of Theoretical and Applied Electron and Ion Optics, (1 April 2003); doi: 10.1117/12.497994
Show Author Affiliations
Dmitrii E. Greenfield, Research Institute for Electron and Ion Optics (Russia)
Mikhail A. Monastyrskii, General Physics Institute (Russia)


Published in SPIE Proceedings Vol. 5025:
Fifth Seminar on Problems of Theoretical and Applied Electron and Ion Optics

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