A new approach to electron beam analysis using a domain decomposition and overlapping method in a three-dimensional boundary-fitted coordinate system (Q1821536)
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scientific article; zbMATH DE number 3999220
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | A new approach to electron beam analysis using a domain decomposition and overlapping method in a three-dimensional boundary-fitted coordinate system |
scientific article; zbMATH DE number 3999220 |
Statements
A new approach to electron beam analysis using a domain decomposition and overlapping method in a three-dimensional boundary-fitted coordinate system (English)
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1987
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A new method is described for an electron beam analysis in a three- dimensional self-consistent field. The method has been developed based on a boundary-fitted coordinate transformation. The scheme also used the technique of decomposing the domain surrounded by electrodes into several hexahedrons and then overlapping neighboring hexahedrons. The computer code developed for the method can treat electron beam optics in complicated electrode shapes with a practicably sized CPU memory. Numerical results for an axisymmetric electron gun verified the code capability and feasibility.
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Poisson equation
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finite difference method
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finite element method
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electron beam analysis
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boundary-fitted coordinate transformation
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electrode shapes
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axisymmetric electron gun
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