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| Research on stage features of sandstone specimens by Kolmogorov entropy method |
| Revised:April 05, 2004 |
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| DOI：10.7511/jslx20062045 |
| KeyWord:MTS |
| LIU Chuan-xiao |
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| Abstract: |
| Stage features of sandstone specimens are studied by a nonlinear dynamics method of Kolmogorov entropy.Comparing research results from power spectra and Kolmogorov entropy to three stages of forepart,rear part and whole process of strain-stress curves,the paper finds that Kolmogorov entropy method is satisfied even more.The method produces a new approach to value system state quantitatively and is a good supplement to power spectra method.Conclusions of the paper have theoretical sense to nonlinear dynamics. |
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