Research Article
A Fatigue Evaluation Method for Radial Tire Based on Strain Energy Density Gradient
Table 4
Results of structural sensitivity analysis.
| | Scheme | SEDG modulus of tire shoulder | Sensitivity | SEDG modulus of bead | Sensitivity |
| | 1 | 45741 | — | 90288 | — | | 2 | 46009 | 26.8 | 101972 | 1168.4 | | 3 | 39552 | −343.8 | 81754 | −474.1 | | 4 | 41825 | −139.9 | 65565 | −882.9 | | 5 | 46365 | 138.7 | 91750 | 324.9 | | 6 | 47993 | 166.8 | 146225 | 4143.5 | | 7 | 48757 | 134.0 | 82876 | −329.4 | | 8 | 38289 | −276 | 87132 | −116.9 | | 9 | 31002 | — | 94021 | — | | 10 | 32807 | 722 | 92447 | −629.6 | | 11 | 28919 | −416.6 | 92439 | −316.4 | | 12 | 29115 | −251.6 | 92429 | −212.3 | | 13 | 29651 | −135.1 | 92413 | −160.8 | | 14 | 32555 | 621.2 | 92471 | −620 | | 15 | 32124 | 224.4 | 92511 | −302 |
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