| 摘要 |
PROBLEM TO BE SOLVED: To provide a technology enabling improvement of the strength of a high-pressure gas tank produced by a filament winding method. SOLUTION: The method for analyzing the strength of the high-pressure gas tank whose container outer circumference is formed with a fiber winding layer by helical winding in the filament winding method includes (a) a process of previously setting a folding position in a winding direction of the fibers in the dome portion of the tank container, (b) a process of determining a winding angle of the fibers depending on the folding position previously set, and (c) a process of making a finite element model of divided elements being two or more minute areas with respect to the high-pressure gas tank having the fiber winding layer specified by the folding position and the determined winding angle and analyzing the strength of the high-pressure gas tank using the finite element model by a finite element method. COPYRIGHT: (C)2011,JPO&INPIT |
