fatigue loading spectrum

基本解释

The objective of this paper is to study the effects of three dimensional constraints on fatigue crack growth under aircraft spectrum loading.
研究裂纹端部三维应力约束、塑性约束和位移约束等对谱载疲劳裂纹扩展的影响。
Because of considering the nonlinear accumulation of fatigue damage, this model is able to conveniently predict the fatigue reliability for spectrum loading.
该模型计及损伤非线性累积，可预测随机谱下任一寿命时刻的可靠度。
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Root-Mean-Square method for Estimation of fatigue crack initiation life under spectrum loading has been modified in terms of basic behaviors of random fatigue.
根据变幅疲劳的基本特性，对估算谱载下疲劳裂纹起始寿命的均方根法作了改进。