o 4
o -I
o
O 03p
f
4 *o~
O~D~:
is
w (Inch)
Figure B-2. Contour plot of probability of failure design response surface approximation
and test points along the curve of target reliability. The negative values of
probability of failure are due to the interpolation errors of the design response
surface approximation
5-4
45-~
4-
15 2 25 3
w (Inch)
Figure B-3. Contour plot of safety index design response surface approximation and test
points along the curve of target reliability