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波形梁护栏受侧面碰撞过程中的能量转换分析 被引量:4

Energy Conversion Analysis of W-beam Guardrail with Side Collision
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摘要 波形梁护栏在受侧面碰撞时吸收碰撞能量的能力是衡量其安全性能的一项重要指标,为减小此碰撞事故造成的灾害损失程度,需对波形梁护栏在受侧面碰撞时的吸能能力进行研究分析.采用LS-DYNA动力学分析方法,对波形梁护栏在受侧面碰撞过程中的能量转换进行了对比分析,得出四种工况下碰撞能量的变化曲线,结果表明现有波形梁护栏的吸能能力尚有一定的提升空间,为进一步优化设计提供参考. Energy absorption capacity is a concerned security index for W-beam guardrail. In order to reduce the damnification of side collision of W-beam guardrail, energy absorption capacity of W-beam guardrail should be analyzed. By means of LS-DYNA, variation curves of the collision energy are put forward. The energy conversion analyses for W-beam guardrail with side collision indicate that the energy absorption capacity of present W-beam guardrail sould be improved. Referrence can be offered for optimization of W-beam guardrail by the research.
出处 《西安工业大学学报》 CAS 2008年第6期585-588,593,共5页 Journal of Xi’an Technological University
关键词 波形梁护栏 侧面碰撞 有限元仿真 能量转换 W-beam guardrail side collision finite element simulation energy conversion
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