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Abstract:
本发明公开了一种考虑带宽影响的多轴随机振动寿命预测方法,涉及到宽带随机振动试验的数据采集、处理及寿命计算,属于材料在随机振动载荷下的疲劳性能领域。本发明修正了频域等效von Mises应力法在宽带情况下的误差,通过添加带宽影响因子提出了改进的von Mises等效准则,来更好地估算在宽带情况下的损伤,使铝合金在宽带多轴振动下疲劳寿命预测更加准确。
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Patent Info :
Type: 发明申请
Patent No.: CN202210052832.2
Filing Date: 2022-01-18
Publication Date: 2022-05-13
Pub. No.: CN114492012A
Applicants: 北京工业大学
Legal Status: 实质审查
Cited Count:
WoS CC Cited Count: 0
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 2
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