Invention Grant
- Patent Title: Forming simulation method, forming simulation apparatus, forming simulation program, and recording medium
- Patent Title (中): 形成仿真方法，形成仿真设备，成型仿真程序和记录介质
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Application No.: US13264319Application Date: 2010-04-19
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Publication No.: US08938378B2Publication Date: 2015-01-20
- Inventor: Noriyuki Suzuki , Shigeru Yonemura , Akihiro Uenishi , Takuya Kuwayama
- Applicant: Noriyuki Suzuki , Shigeru Yonemura , Akihiro Uenishi , Takuya Kuwayama
- Applicant Address: JP Tokyo
- Assignee: Nippon Steel & Sumitomo Metal Corporation
- Current Assignee: Nippon Steel & Sumitomo Metal Corporation
- Current Assignee Address: JP Tokyo
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JPP2009-102123 20090420
- International Application: PCT/JP2010/002819 WO 20100419
- International Announcement: WO2010/122769 WO 20101028
- Main IPC: G06G7/48
- IPC: G06G7/48 ; G06F17/10 ; B21D22/20 ; G06F17/50
Abstract:
The present invention provides a press forming simulation method using a finite element method for a sheet metal, in which a deformation state of a pressing tool is represented with high accuracy by superimposing at least one natural mode, for the surface shape of the pressing tool, in a no-load state.
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