面向变厚度柔性轧制工艺的帽型梁横向冲击吸能优化设计 1)
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童泽奇,刘杨,刘书田
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DESIGN OPTIMIZATION OF TOP-HAT BEAM FOR ENERGY ABSORPTION UNDER TRANSVERSE CRASH BASED ON VARIABLE GAUGE ROLLING 1)
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Zeqi Tong,Yang Liu,Shutian Liu
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表7 不同帽型梁优化后模型吸能性能对比
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Table 7 Energy absorption of different optimized top-hat beam
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| | | | Promotion | Structure
label | Description | Energy
absorption/J | SEA/(kJ.kg-1) | (compared with original structure)/% | | 0 | uniform | 447.9 | 0.09253 | 0.00 | | three uniform | | | | | 7 | section and linear transition | 528.5 | 0.1092 | 18.0 | | five uniform | | | | | 8 | section and linear transition | 703.1 | 0.1453 | 57.0 | | three uniform | | | | | 9 | section and curve transition | 527.6 | 0.1090 | 17.8 | | five uniform | | | | | 10 | section and curve transition | 697.7 | 0.1441 | 55.8 |
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