| Effect of Band Width on Fatigue Life under Random Stress Response |
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| 作者单位： | Wu Yisheng Associate Professor，Institute of Mechanics，Chinese Academy of Sciences，100080 Beijing |
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| 摘 要： | A fatigue life estimation method for offshore structures under random stress response is studied in this paper. The method of broad band cumulative frequency number is used to determine the effect of band width of stress frequency spectra on fatigue. A formula of correction factor for fatigue under broad band stress spectra is suggested and compared with that given by P. H. Wirsching.
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Effect of Band Width on Fatigue Life under Random Stress Response |
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| Wu Yisheng Associate Professor. Effect of Band Width on Fatigue Life under Random Stress Response[J]. China Ocean Engineering, 1992, 0(2) |
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| Authors: | Wu Yisheng Associate Professor |
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| Affiliation: | Wu Yisheng Associate Professor,Institute of Mechanics,Chinese Academy of Sciences,100080 Beijing |
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| Abstract: | A fatigue life estimation method for offshore structures under random stress response is studied in this paper. The method of broad band cumulative frequency number is used to determine the effect of band width of stress frequency spectra on fatigue. A formula of correction factor for fatigue under broad band stress spectra is suggested and compared with that given by P. H. Wirsching. |
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| Keywords: | broad band cumulative frequency number technique stress frequency spectrum random load fatigue damage |
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