List of Symbols
B
C -- c(x I
...
xn)
C~ --x 100
F,, - fm(X~ . .
x
F(x) - 1 - [ f(x)dx
f(A)
f(a)
f(t)
f(x)
x
G(x) - 1 - ] g(x)dx
g(x)
gi(xi)
(I0
KF
K(n)
K,
k~
k~
k~
A test sample Weibull/~ from a plot or computer
Combinations
Criterion function
A percentage coefficient of variation
Functional constraints
Gaussian failure
Resisting capacity
Applied load
Failures with respect to time
Test data fitted to a Gaussian curve
Gaussian curve values for the middle of each cell
width
Weibull failure
Test data fitted to a Weibull curve
Weibull curve values for middle of each cell width
Number of cells Sturges Rule
Kt Corrected for material
Severity factors
Life-expectancy severity factor
Bounds on the Weibull Line
Theoretical stress concentration factors
Surface condition
Size and shape
Reliability