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Mathematical Problems in Engineering
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Mathematical Problems in Engineering
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2019
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Article
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Tab 4
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Research Article
Robust Die Compensation in Sheet Metal Design through the Integration of Dual Response Surface and Shape Function Optimization
Table 4
Coded levels adopted for control and noise variables according to the central composite design.
Coded level
α
1
α
7
α
8
(GPa)
t (mm)
-s
-634.63
-157.21
-132.598
1.034
1.410
-1
-591.16
-113.74
-89.131
1.072
1.462
0
-559.63
-82.21
-57.598
1.100
1.500
1
-528.09
-50.67
-26.064
1.128
1.538
S
-484.63
-7.21
0.000
1.166
1.590