| 基于PAM-CRASH的鸟撞飞机风挡动响应分析 |
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| 引用本文： | 刘军,李玉龙,徐绯.基于PAM-CRASH的鸟撞飞机风挡动响应分析[J].爆炸与冲击,2009,29(1):80-84. |
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| 作者姓名： | 刘军 李玉龙 徐绯 |
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| 作者单位： | 1.西北工业大学航空学院航空结构工程系，陕西 西安 710072 |
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| 基金项目： | 国防科技工业民用专项科研技术研究项目 |
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| 摘 要： | 结合显式动力分析有限元软件PAM-CRASH及其提供的SPH算法，建立了鸟撞飞机风挡数值分析模型。对某飞机风挡进行了动响应分析，计算了风挡中轴线上四点位移时间曲线；鸟撞击过程的仿真结果表明,SPH鸟体模型能有效模拟撞击时鸟体溅射成碎片的情形；建立了鸟撞击作用下风挡破坏判据，对风挡在试验条件下是否破坏进行了模拟计算。计算结果和试验结果吻合较好，表明本文建立的鸟撞飞机风挡数值模型是有效的。
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| 关 键 词： | 固体力学 鸟撞 PAM-CRASH 风挡 SPH |
Dynamic response analysis of bird-impact aircraft windshields based on PAM-CRASH |
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| LIU Jun,LI Yu-long,XU Fei.Dynamic response analysis of bird-impact aircraft windshields based on PAM-CRASH[J].Explosion and Shock Waves,2009,29(1):80-84. |
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| Authors: | LIU Jun LI Yu-long XU Fei |
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| Institution: | 1.School of Aeronautics, Northwestern Polytechnical University, Xi’an 710072, Shaanxi, China |
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| Abstract: | A numerical analysis model for the bird-impact response of aircraft windshields was proposed by combining the dynamic explicit finite element code PAM-CRASH and the smoothed particle hydrodynamics(SPH) method.The dynamic response of an aircraft windshield to bird-impact loading was simulated by the proposed analysis model.The displacement-time curves for the four points on the medial axis of the aircraft windshield were calculated,the failure criterion for the aircraft windshield subjected to bird-impact lo... |
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| Keywords: | PAM-CRASH SPH |
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