Research Article
A Fatigue Evaluation Method for Radial Tire Based on Strain Energy Density Gradient
Table 2
Failure location and crack angle statistics.
| | Number | Gradient modulus (E4) | Coordinate | Crack angle | Correspond | Life (h) |
| | 11.00R20 | 1 | 12.8 | (11.77,31.25) | 56 | Yes | 40.17 | | 2 | 10.79 | (11.83,31.87) | 139 | Yes | 44.45 | | 3 | 9.07 | (−11.20,31.19) | 41 | Yes | 60.12 | | 12.00R20 | 1 | 5.70 | (−8.47,46.74) | 18 | Yes | 119.23 | | 2 | 9.54 | (−13.10,30.88) | 83 | Yes | 72.88 | | 3 | 7.02 | (12.80,30.67) | 113 | Yes | 102.53 | | 4 | 5.59 | (−8.71,46.64) (−12.48,30.69) | 122 | Yes | 117.12 | | 6.3 | | 56 | Yes | | 5 | 7.7 | (12.95,30.84) (−12.96,30.84) | 57 | Yes | 107.7 | | 8.96 | | 76 | Yes | | 6 | 10.80 | (11.95,30.59) | 48 | Yes | 58.02 |
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