A fatigue life estimation algorithm based on Statistical Energy Analysis in high-frequency random processes

• Published in: International journal of fatigue Vol. 83; no. Part 2; pp. 221 - 229
• Main Authors: Wang, Yongyan, Chen, Haibo, Zhou, Hongwei
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 01.02.2016
• Subjects: Aircraft; Aircraft components; Algorithms; Band spectra; Fatigue life; Frequency-domain method; Plates (structural members); Spectra; Statistical Energy Analysis; Stress power spectral density; Statistical Energy Analysis; Fatigue life; Stress power spectral density; Frequency-domain method

•A fatigue life estimation algorithm based on SEA is proposed.•The fatigue damage is not sensitive to stress PSD shapes in 1/3 octave band.•The stress RMS is enough to predict fatigue life in the proposed algorithm. A frequency-domain fatigue life estimation algorithm based on Statistical Energy Ana...