Member designing method and apparatus
US7957918B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jun 28, 2006 |
| Grant date | Jun 7, 2011 |
| Priority date | — |
| Expiry date | Jan 12, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2113/24
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A computer performs press forming analysis based on a shape of a formed product or of a member, a blank holder force, a friction coefficient, a tensile strength of a material, a yield strength, a stress-strain relation, and a sheet thickness, as press forming conditions, to calculate sheet thickness distribution and post-formation strain distribution of the formed product. The computer also performs performance analysis based on the sheet thickness distribution, the post-formation strain distribution, and the shape of the formed product or of the member, as state amounts of the formed product. This calculate performance of the member. The computer repeats the calculations performed in the process from the first step through the second step a predetermined number of times, with at least one of the press forming conditions being changed, to output an optimum press forming condition that gives a maximum value or a target value of the performance
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.