| 引用本文: | 郑荣跃,秦子增.S-N曲线拟合的灰色方法.[J].国防科技大学学报,1989,11(3):84-88.[点击复制] |
| Zheng Rongyue,Qin Zizeng.Grey Method for Fitting S-N Curve[J].Journal of National University of Defense Technology,1989,11(3):84-88[点击复制] |
|
| |
|
|
| 本文已被：浏览 5755次 下载 5442次 |
| S-N曲线拟合的灰色方法 |
| 郑荣跃, 秦子增 |
|
(航天技术系)
|
| 摘要: |
| 本文借助于灰色系统理论中GM(l，l)的直接建模方法，能方便地确定了三参数经验公式N（S-S0)m=D 中的三个参数S0，m和D，从而为工程上广泛利用三参数经验公式拟合S-N曲线试验数据提供了一个较新的方法。算例表明，本方法简单、实用、精度较高。 |
| 关键词: 疲劳 S-N曲线，灰色系统，建模 |
| DOI： |
| 投稿日期：1988-12-01 |
| 基金项目: |
|
| Grey Method for Fitting S-N Curve |
| Zheng Rongyue, Qin Zizeng |
|
(Department of Aerospace Technology)
|
| Abstract: |
| In this paper，a new method is provided to fit the fatigue test data of S-N curves using the expression N（S-S0)m=D which can be applied to engineering extensively. By means of the direct modelling method of GM(1，1)
in the grey system theory，three parameters S0，m and D are determined. The calculation shows that this method is accurate，simple and practical. |
| Keywords: fatigue S-N curve,grey system,modelling |
|
|
