汽车前端框架振动疲劳载荷虚拟迭代分析

来源 :第19届亚太汽车工程年会暨2017中国汽车工程学会年会 | 被引量 : 0次 | 上传用户:zhumuray
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为了分析结构振动疲劳载荷,给出了一种基于刚柔耦合模型的系统级虚拟迭代方法.在ADAMS中建立汽车前端框架及冷却模块的刚柔耦合多体动力学模型,以试验场强化耐久路面实测加速度信号作为响应,完成全路面下的虚拟迭代,输出模态应力和模态坐标,为前端框架动应力恢复和振动疲劳分析技术提供输入.本文为系统级的振动疲劳分析提供了新的解决思路.
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