JOINT

Fatigue Life Calculator

PROJECT
CALCULATION
UNITS
Length
Force
S-N CURVE
Source
Curve
GEOMETRY
t Enter the thickness for the specimen for which the fatigue damage is to be calculated
tref Enter the thickness for the reference specimen for the S-N curve
exp (t) Enter the thickness exponent* for the S-N curve
* Acceptable values are 0 ≤ exp (t) ≤ 0.3
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S-N CURVE DATA
Enter the data pairs for the S-N curve
SYNTAX:
N*, S*
* N: Number of cycles
* S: Stress range
APPLIED STRESS CYCLES
Enter the data pairs for the number of cycles and stress ranges applied
SYNTAX:
N*, S*
* N: Number of cycles
* S: Stress range