| 摘要 |
PROBLEM TO BE SOLVED: To make a model of fission system for analyzing nuclear criticality. SOLUTION: Various kinds of geometrical configurations are constituted so as to use an analysis method for modeling a system (22), and such a system is modeled, based on a gap region formed with these geometrical configurations (50, 70, 80). The geometrical configurations for modeling the system is constituted of a rectangular body, and a plurality of curved surfaces (56, 76, 86) constituted so as to model the object, based on the gap region of which the boundary is defined by the curved surfaces. COPYRIGHT: (C)2005,JPO&NCIPI
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