基金项目:湖南大学汽车车身先进设计制造国家重点实验室开放基金资助(31825012)收稿日期:2021-01-21修回日期:2021-06-07第40卷第2期计算机仿真2023年2月文章编号:1006-9348(2023)02-0161-06MPDB测试与车对车碰撞相关性研究李璐江1,2,路深1,卜晓兵1,2,李梦琦1,2(1.中国汽车技术研究中心有限公司,天津300300;2.湖南大学汽车车身先进设计制造国家重点实验室,湖南长沙410082)摘要:为了进一步降低社会交通事故伤亡率,C-NCAP引入了移动式渐进可变形碰撞测试工况(MPDB),用以评估车辆碰撞兼容性。主要是针对MPDB工况与车对车碰撞事故的相关性问题及车身碰撞兼容性优化方法进行研究。选取某SUV车型作为“基准车”。选取另一辆车作为“子弹车”,基于压溃理论对其进行MPDB工况仿真分析及优化,得到三种碰撞兼容性评分状态下的“子弹车”,与“基准车”进行车对车碰撞仿真,对比发现MPDB工况与实车对撞(CartoCar)工况下车辆碰撞兼容性表现具有较强的相关性。关键词:碰撞兼容性;可变形移动强度渐进壁障测试;车对车碰撞;车身设计中图分类号:TP319文献标识码:BResearchonCorrelationBetweenMPDBTestandVehicletoVehicleCrashLILu-jiang1,2,LUShen1,BUXiao-bing1,2,LIMeng-qi1,2(1.ChinaAutomotiveTechnology&ResearchCenterCo.Ltd,Tianjin300300,Chian;2.StateKeyLaboratoryofAdvancedDesignandManufacturingforVehicleBody,HunanUniversity,ChangshaHunan410082,Chian)ABSTRACT:Inordertofurtherreducetheoveralltrafficaccidentcasualtyrate,themobileprogressivedeformablecrashtestconditionisintroducedinCNCAPtoevaluatevehiclecollisioncompatibility.ThispapermainlyfocusesonthecorrelationbetweenMPDBworkingconditionsandvehicle-to-vehiclecollisionaccidentsandtheoptimizationmethodofvehiclebodycollisioncompatibility.Firstly,anSUVwasselectedasthe"referencevehicle".Anothervehi-clewasselectedasthe"bulletcar".Basedonthecrushingtheory,theMPDBworkingconditionsimulationanalysisandoptimizationwerecarriedout,andthe"bulletvehicle"inthreecollisioncompatibilityratingStateswasobtained.Thevehicle-to-vehiclecollisiontestwascarriedoutwiththe"referencevehicle".ItisfoundthatthecompatibilityperformanceofthereferencevehicleunderMPDBconditionandcar-to-carconditio...