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reko34木虫 (正式写手)
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S-N Curve Modeling for Finite Life Range under the Assumption of Linearly Changing Scatter DOI: 10.4271/2014-01-0970 |
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baiyuefei
版主 (文学泰斗)
风雪
- 应助: 4643 (副教授)
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【答案】应助回帖
感谢参与，应助指数 +1
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Accession number: 20141617576239 Title: S-N Curve Modeling for Finite Life Range under the Assumption of Linearly Changing Scatter Authors: Yingjie, Zhou1 ; Xuezhi, Tang2 Author affiliation: 1Schaeffler Holding (China) Co., Ltd., China 2Schaeffler Trading (Shanghai) Co., Ltd., China Corresponding author: Yingjie, Z. (zhouyji@schaeffler.com) Source title: SAE International Journal of Materials and Manufacturing Abbreviated source title: SAE Int. J. Mater. Manuf. Volume: 7 Issue: 2 Issue date: April 2014 Publication year: 2014 Pages: 454-464 Language: English ISSN: 19463979 E-ISSN: 19463987 Document type: Journal article (JA) Publisher: SAE International Abstract: Fatigue test data in finite life region are normally analyzed separately for each stress level because of varying scatters, while another method assuming equal scatters on all levels and thus unifying all data into one model is also welcome for its efficient usage of data. Combining the idea of the two methods, a new method that assumes linear change of scatter according to stress levels is developed in this paper. The algorithm derives from maximum likelihood estimation and general Newton's method. Monte Carlo method is used for theoretical validation and the new method is proved to be correct with the estimations. Finally a set of test data which shows a tendency of trapezoidal data distribution is analyzed and an S-N curve for finite life range is created. The new method has its advantage in certain situations so it's meaningful to add it to the alternatives of fatigue data analysis methods. Copyright © 2014 SAE International. Number of references: 14 Main heading: Maximum likelihood estimation Controlled terms: Fatigue testing - Monte Carlo methods - Newton-Raphson method Uncontrolled terms: Data distribution - Fatigue data - Newton's methods - S-N curve - Stress levels - Test data - Theoretical validations Classification code: 422.2 Strength of Building Materials : Test Methods - 921.6 Numerical Methods - 922 Statistical Methods - 922.2 Mathematical Statistics DOI: 10.4271/2014-01-0970 Database: Compendex Compilation and indexing terms, © 2015 Elsevier Inc |
2楼2015-09-23 18:11:10
baiyuefei
版主 (文学泰斗)
风雪
- 应助: 4643 (副教授)
- 贵宾: 46.97
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- 散金: 11616
- 红花: 995
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- 帖子: 69600
- 在线: 13499.5小时
- 虫号: 676696
- 注册: 2008-12-18
- 性别: GG
- 专业: 合成药物化学
- 管辖: 有机交流
【答案】应助回帖
★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★
reko34: 金币+40, ★★★★★最佳答案 2015-09-23 18:38:08
sunshan4379: LS-EPI+1, 感谢应助！ 2015-09-23 18:43:45
reko34: 金币+40, ★★★★★最佳答案 2015-09-23 18:38:08
sunshan4379: LS-EPI+1, 感谢应助！ 2015-09-23 18:43:45
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Accession number: 20141617576239 |
3楼2015-09-23 18:11:23
