FATIGUE AND DYNAMIC FAILURE ANALYSIS
INPUT DATA
Title
Mean stress applied, σ
m
Stress amplitude applied, σ
a
Ultimate tensile strength, S
ut
Endurance limit, S'
e
Surface finish factor, k
a
Size factor, k
b
Load type factor, k
c
Temperature factor, k
d
Miscellaneous effects factor, k
e
RESULTS
FACTOR-OF-SAFETY
n
♦ Goodman criterion
1.45
♦ Gerber criterion
1.79
Dynamic Design Diagram
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