【摘要】 以某轻型越野汽车车架为研究对象,通过对该型车辆特定路面行驶工况下路面激励响应特性的研究,构造了模拟载荷谱.结合车架结构试验模态模型,采用力响应模拟分析技术,对基于舒适性准则进行结构修改后的车架动态特性进行了模拟力响应对比分析,结果表明,力响应模拟分析技术是进行结构动态优化设计的高效手段.更多还原

【Abstract】 To aim to dynamic modification of one type frame of cross-country vehicle,combined the FRS and Test Modal technology,the dynamic response characteristic before and after the chassis was modified was compared and studied under the typical road exciting simulation in this paper.The analysis results indicated that FRS technology is a high efficient method for structure dynamic modification.更多还原