Comfort analysis of crane hoistman based on nonlinear biodynamics coupled with crane-rail system model

Xin, Yunsheng; Dong, Ruiyi

doi:10.1007/s12206-021-1205-9

Cited by 1 publication

(1 citation statement)

References 58 publications

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“…Poursaeidi and Arhani [ 18 ] investigated the failure of an auxiliary steam turbine. Vibration fatigue damage problems [ 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 ] lead to serious structural failures, and their mechanisms are explored in investigations of the dynamic property of structures (such as natural frequency), random vibration problems and fatigue damage problems. In order to solve or avoid the problems caused by vibration fatigue, it is necessary to perform research on the vibration fatigue behaviour of structures.…”

Section: Introductionmentioning

confidence: 99%

Experimental Study on Vibration Fatigue Behavior of Aircraft Aluminum Alloy 7050

2022

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It has been previously noted that the development of aerospace material technology and breakthroughs are inseparable when obtaining great achievements in the aerospace industry. Materials are the basis and precursor of modern high technology and industry. As one of the most powerful aluminium alloys, 7050 is widely used in the aerospace field. In this manuscript, the vibration fatigue behaviour of aircraft aluminium alloy 7050 is studied based on experiments. A vibration fatigue experiment and the traditional fatigue testing of aluminium alloy 7050 were performed. We found that there was an extreme difference between the vibration fatigue and the traditional fatigue curves. In addition, the experimental end criteria for the vibration fatigue experiment of aluminium alloy 7050 was obtained from the acceleration reduction and the frequency reduction value. For the acceleration experimental end criterion, 2% was the acceleration reduction value for the vibration fatigue experimental end criteria of aluminium alloy 7050. For the frequency experimental end criterion, 2% was the frequency reduction value for the vibration fatigue experimental end criteria of aluminium alloy 7050.

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