Extending Steinberg’s Fatigue Method

Here is a paper for…

Extending Steinberg’s Fatigue Analysis of Electronics Equipment Methodology to a Full Relative Displacement vs. Cycles Curve

electronic_rd_n.pdf

extending_Steinberg.pptx

This paper also shows in a very roundabout way that “fatigue damage equivalence” between sine and random vibration occurs when the sine amplitude (zero-to-peak) is approximately equal to the random vibration 2-sigma amplitude.

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Here is a Matlab script for cumulative damage index calculation, to be used after rainflow cycle counting:  RD_N.m

This script is for identifying individual points along the RD-N curve:  RD_N_point.m

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See also:

Rainflow Cycle Tutorial Paper

Rainflow Fatigue Cycle Counting

PSD Time History Synthesis

Steinberg’s Vibration Analysis for Electronic Equipment

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– Tom Irvine

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