| 摘要 |
<p>A press-forming analysis method according to the present invention includes a step of analyzing press forming (S1) including setting an initial temperature distribution to a heated press-forming metallic sheet, and acquiring shape information, a temperature distribution, a stress distribution, and a strain distribution before mold release, in which a temperature analysis and a structural analysis are coupled; a step of analyzing springback (S3) including conducting a springback analysis based on the shape information, the temperature distribution, the stress distribution, and the strain distribution acquired at the step of analyzing press forming, and acquiring shape information, a temperature distribution, a stress distribution, and a strain distribution after springback; and a step of analyzing cooling stress (S5) including restraining particular nodes based on the shape information, the temperature distribution, the stress distribution, and the strain distribution acquired at the step of analyzing springback, and analyzing stress distributions during cooling and after the cooling by coupling a temperature analysis and a structural analysis.</p> |
