| 摘要 |
PROBLEM TO BE SOLVED: To provide a technology for accurately predicting a dent rigidity even for a plate member having a site where the curvature changes greatly. SOLUTION: When the dent rigidity of the plate member SR is predicted based on a curvature radius in the longitudinal direction of the plate member SR, the length of the plate member in the direction orthogonal to the longitudinal direction of the plate member SR and a yield strength of the plate member SR, and if a changing point exists where the amount of curvature change in the direction orthogonal to the longitudinal direction of the plate member SR is a predetermined value or more, then the length of the plate member SR is the distance between the edge part of the plate member SR and the change point in the direction orthogonal to the longitudinal direction of the plate member SR. COPYRIGHT: (C)2011,JPO&INPIT
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