Modeling of creep crack growth in lamellate components using the continuum damage parameters
The paper presents the numerical method for predicting creep crack growth in structures. The continuum damage mechanics approach and generalized Neuber’s rule are used. Experimental values of rupture lifetimes are shown to be closely predicted by the calculated ones. The paper also demonstrates how...
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| Date: | 2012 |
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| Main Authors: | , |
| Format: | Article |
| Language: | Russian |
| Published: |
Інститут енергетичних машин і систем ім. А. М. Підгорного Національної академії наук України
2012
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| Subjects: | |
| Online Access: | https://journals.uran.ua/jme/article/view/52857 |
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| Journal Title: | Energy Technologies & Resource Saving |
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Energy Technologies & Resource Saving| Summary: | The paper presents the numerical method for predicting creep crack growth in structures. The continuum damage mechanics approach and generalized Neuber’s rule are used. Experimental values of rupture lifetimes are shown to be closely predicted by the calculated ones. The paper also demonstrates how approximate solution for the elastoplastic stresses in crack zone allows obtaining the accurate solution while reducing the computational burden. |
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