Mts Series 793 Application Manual de usuario Pagina 321

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Fatigue Process
MTS MultiPurpose TestWare® Data Acquisition Process Descriptions
321
RangeMean histogram The RangeMean histogram identifies the range and the mean of each cycle
identified by the rainflow-counting method. The following example illustrates
the method for creating a RangeMean histogram.
The closed cycles and their associated range and mean are:
BC—Range of 1; Mean of 1.5
DE—Range of 3; Mean of 2.5
FG—Range of 1; Mean of –1.5
AD—Range of 8; Mean of 0.0
A
B
C
E
F
G
A
D
D
Time
Range
(FG)
Mean
(DE)
-3 -2 -1 0 1 2 3-4 4
Strain ( ε)
Range ( ε)
Mean ( ε)
-3
-2
-1
0
1
2
3
4
012 3 45678
-4
BC
DE
FG
AD
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