Estimation of fatigue damage of airplane landing gear

2006, Volume 1, Issue 4

Abstract

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Frontiers of Mechanical Engineering >> 2006, Volume 1, Issue 4 doi: 10.1007/s11465-006-0051-x

Beijing Center of Mechanical Structural Strength Research and Development, Beijing 100083, China;

Available online: 2006-12-05

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Abstract

Taking the main landing gears of fighter and transport airplanes as examples, the fatigue life was estimated by means of the Miner s rule and from the spectrum of the real measurements. The computed results show that the landing damage to the fighter and transport airplanes is 75% and 60% of the total damage, and the damage caused by the landing stroke is 40% of the landing-gear damage. The fatigue damage properties can provide important information for reliable designing and the structural optimization.

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