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Author:

尚德广 (尚德广.) (Scholars:尚德广) | 王松光 (王松光.) | 吴少东 (吴少东.) | 苗彬 (苗彬.) | 侯庚 (侯庚.) | 夏禹 (夏禹.) | 尹翔 (尹翔.)

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incoPat

Abstract:

本发明公开了一种频域下宽带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。本发明抛弃了以往危险点应力张量引申计算多轴应力功率谱矩阵的方法,采取振动方向对应响应组合新的应力功率谱密度矩阵,同时修正了窄带近似法对于宽带高斯应力过程给出了过于保守的寿命估算结果,引入带宽修正系数。该方法能很好的计算宽带多轴随机振动寿命。

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Patent Info :

Type: 发明申请

Patent No.: CN202110322869.8

Filing Date: 2021-03-26

Publication Date: 2021-07-09

Pub. No.: CN113094640A

Applicants: 北京工业大学

Legal Status: 实质审查

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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