Title:
PRESS FORMING ANALYSIS METHOD, PRESS FORMING FRACTURE DETERMINING METHOD FOR PRESS-FORMED ARTICLE, PRESS-FORMED ARTICLE MANUFACTURING METHOD, PRESS FORMING ANALYSIS DEVICE, AND PRESS FORMING ANALYSIS PROGRAM
Document Type and Number:
WIPO Patent Application WO/2024/043035
Kind Code:
A1
Abstract:
A press forming analysis method according to the present invention includes a blank model creating step (S1) for creating a blank model, and a press forming analysis step (S2) for performing press forming analysis using the created blank model, wherein the blank model creating step (S1) includes: a blank mesh creating step (S1-1) for creating a finite element mesh for configuring the blank model; a grouping step (S1-2) for grouping finite elements constituting the finite element mesh into a plurality of groups; and a deformation condition setting step (S1-3) for setting conditions relating to deformation for the finite elements of each grouped group, the set conditions being different for each group.
Inventors:
KISHIGAMI YASUHIRO (JP)
SATO KENTARO (JP)
OGIHARA YUKI (JP)
SATO KENTARO (JP)
OGIHARA YUKI (JP)
Application Number:
PCT/JP2023/028451
Publication Date:
February 29, 2024
Filing Date:
August 03, 2023
Export Citation:
Assignee:
JFE STEEL CORP (JP)
International Classes:
B21D22/00; G06F30/23; G06F111/10; G06F113/22
Domestic Patent References:
| WO2014017037A1 | 2014-01-30 |
Foreign References:
| JP5459364B2 | 2014-04-02 | |||
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| JP2018055509A | 2018-04-05 | |||
| JP5000694B2 | 2012-08-15 | |||
| JP2021128422A | 2021-09-02 | |||
| JP5630311B2 | 2014-11-26 | |||
| JP2012104042A | 2012-05-31 | |||
| JP4231426B2 | 2009-02-25 | |||
| JP2005329411A | 2005-12-02 | |||
| JP2019148869A | 2019-09-05 | |||
| JP3995926B2 | 2007-10-24 | |||
| US20210263498A1 | 2021-08-26 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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