JP5302909B2 - デント剛性予測方法 - Google Patents
デント剛性予測方法 Download PDFInfo
- Publication number
- JP5302909B2 JP5302909B2 JP2010017995A JP2010017995A JP5302909B2 JP 5302909 B2 JP5302909 B2 JP 5302909B2 JP 2010017995 A JP2010017995 A JP 2010017995A JP 2010017995 A JP2010017995 A JP 2010017995A JP 5302909 B2 JP5302909 B2 JP 5302909B2
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- Japan
- Prior art keywords
- plate member
- dent
- side rail
- roof side
- curvature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Description
f=a1×ρ+a2×L+a3×Y+b1×ρ2+c1×ρ×L・・・(1)
R:ルーフ
SR:ルーフサイドレール
V:車両
Claims (1)
- 板部材の所定点に対し負荷を加えた際の当該板部材の負荷方向の耐荷重量としてのデント剛性を予測するデント剛性予測方法であって、
前記板部材の長手方向における曲率半径と、前記板部材の前記長手方向に直交する方向における前記板部材の長さと、前記板部材の降伏強度とに基づいて前記板部材のデント剛性を予測する際に、
前記板部材の前記長手方向に直交する方向における曲率の変化量が所定値以上となる変化点が存在する場合に、前記板部材の長手方向に直交する方向における前記板部材の端部と当該変化点との間隔を前記板部材の長さとするデント剛性予測方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2010017995A JP5302909B2 (ja) | 2010-01-29 | 2010-01-29 | デント剛性予測方法 |
Applications Claiming Priority (1)
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JP2010017995A JP5302909B2 (ja) | 2010-01-29 | 2010-01-29 | デント剛性予測方法 |
Publications (2)
Publication Number | Publication Date |
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JP2011158270A JP2011158270A (ja) | 2011-08-18 |
JP5302909B2 true JP5302909B2 (ja) | 2013-10-02 |
Family
ID=44590353
Family Applications (1)
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JP2010017995A Expired - Fee Related JP5302909B2 (ja) | 2010-01-29 | 2010-01-29 | デント剛性予測方法 |
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JP (1) | JP5302909B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5919782B2 (ja) * | 2011-12-08 | 2016-05-18 | Jfeスチール株式会社 | 耐デント性評価方法 |
JP5673635B2 (ja) * | 2012-09-26 | 2015-02-18 | Jfeスチール株式会社 | パネル部品評価方法、パネル部品評価装置および自動車用パネル部品の製造方法 |
JP5673636B2 (ja) * | 2012-09-26 | 2015-02-18 | Jfeスチール株式会社 | パネル部品評価方法、パネル部品評価装置および自動車用パネル部品の製造方法 |
IN2015DN01667A (ja) * | 2012-09-26 | 2015-07-03 | Jfe Steel Corp | |
WO2017098293A1 (en) | 2015-12-09 | 2017-06-15 | Arcelormittal | Vehicle front body structure and method for manufacturing thereof |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH07225181A (ja) * | 1994-02-14 | 1995-08-22 | Kawasaki Steel Corp | 金属材料のデント性測定方法およびその装置 |
JP2000249636A (ja) * | 1999-02-26 | 2000-09-14 | Nippon Steel Corp | 耐デント性の予測評価方法とプレス成形用金属板の選択方法 |
KR100366587B1 (ko) * | 1999-09-02 | 2003-01-15 | 현대자동차주식회사 | 자동차 펜더용 열경화성 수지의 제조방법 |
JP4568186B2 (ja) * | 2005-07-22 | 2010-10-27 | ダイハツ工業株式会社 | デント剛性予測方法 |
JP4386294B2 (ja) * | 2007-01-26 | 2009-12-16 | 関東自動車工業株式会社 | フードデント性能評価方法 |
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2010
- 2010-01-29 JP JP2010017995A patent/JP5302909B2/ja not_active Expired - Fee Related
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JP2011158270A (ja) | 2011-08-18 |
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