| 基于有限元法的沥青混凝土振动铣刨过程数值模拟 |
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| 引用本文： | 周里群,陈曦,李玉平,许欣.基于有限元法的沥青混凝土振动铣刨过程数值模拟[J].矿冶工程,2019,39(4):136-139. |
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| 作者姓名： | 周里群 陈曦 李玉平 许欣 |
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| 作者单位： | 湘潭大学 机械工程学院,湖南 湘潭,411105;湘潭大学 机械工程学院,湖南 湘潭,411105;湘潭大学 机械工程学院,湖南 湘潭,411105;湘潭大学 机械工程学院,湖南 湘潭,411105 |
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| 基金项目： | 湖南省自然科学联合基金(2016JJ5025) |
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| 摘 要： | 采用有限元分析法,研究了振频振幅等工艺参数对铣刨机振动铣刨AC-16沥青混凝土作业的影响。结果表明,振动铣刨作业采用沿铣刨机进给方向(X向)振动方式时,刀具摩擦阻力平均值随振幅和频率增加而递减,在频率为90 Hz和振幅为6 mm时效果最佳。
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| 关 键 词： | 铣刨机 沥青混凝土路面 有限元法 Johnson-Cook模型 振动铣刨 |
| 收稿时间： | 2019-01-12 |
Numerical Simulation of Vibration-assisted Machining of Asphalt Concrete Based on Finite Element Method |
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| Affiliation: | School of Mechanical Engineering, Xiangtan University, Xiangtan 411105, Hunan, China |
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| Abstract: | The finite element analysis was adopted to investigate the influences of working parameters, including amplitude and vibration frequency, on the performance of the milling machine in the operation of vibration-assisted machining of AC-16 asphalt concrete. The results showed that milling operation proceeded with the vibration in the feed direction (X axis) of milling planer, and the average friction resistance of cutter gradually decreased with the increasing of amplitude and frequency. The best effect was attained with the frequency of 90 Hz and amplitude of 6 mm. |
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| Keywords: | milling machine asphalt concrete pavement finite element method Johnson Cook model vibration-assisted machining |
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