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材料应变率对护栏碰撞仿真结果影响研究 被引量:9

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摘要 金属材料在不同的应变率情况下其应力-应变曲线差别较大,而材料性能往往直接决定护栏的防撞能力。通过材料试验获得护栏材料不同应变率下的应力-应变曲线应用到仿真计算模型中,将仿真结果与护栏的实车碰撞试验结果进行对比,结果表明:不考虑应变率影响的护栏碰撞仿真结果与试验差别较大,而考虑应变率影响的仿真结果与试验结果更加接近。
出处 《公路交通科技(应用技术版)》 CAS CSCD 2012年第6期393-395,共3页
关键词 应变率 护栏 防撞
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