Table 8 Comparison of experimental and simulated predicted results.

From: Parameter identification of Johnson–Cook constitutive model based on genetic algorithm and simulation analysis for 304 stainless steel

Experiment number

F z(N)

EXP model force (N)

EXP model error (%)

JC1 model force (N)

JC1 model error (%)

JCM model force (N)

JCM model error (%)

1

62.46

56.08

10.21

70.97

13.62

67.74

8.45

2

75.57

74.18

1.83

81.48

7.83

76.01

0.59

3

94.43

86.53

8.37

104.19

10.34

92.14

2.43

4

87.39

90.61

3.68

99.30

13.63

100.32

14.80

5

121.92

119.85

1.70

131.18

7.60

122.54

0.51

6

145.89

139.80

4.18

139.90

4.10

153.55

5.25

7

112.80

119.96

6.35

127.73

13.24

123.77

9.73

8

168.92

158.68

6.06

153.07

9.38

165.42

2.07

9

174.13

185.09

6.29

167.25

3.95

179.09

2.85

10

47.99

52.33

9.05

63.41

32.13

53.19

10.84

11

59.09

69.23

17.15

89.81

51.99

66.08

11.84

12

86.15

80.75

6.27

86.11

5.52

78.67

8.67

13

96.42

84.55

12.31

94.47

2.03

104.33

8.20

14

104.18

111.85

7.36

125.51

20.48

110.17

5.76

15

116.78

130.46

11.72

137.18

17.47

120.17

2.90

16

110.23

111.95

1.56

130.45

18.34

120.24

9.09

17

125.37

148.08

18.11

163.58

30.48

131.67

5.02

18

167.70

172.72

2.99

181.75

8.38

173.99

3.75

19

56.34

49.84

11.54

63.42

12.56

55.48

1.54

20

56.36

65.93

16.98

87.64

55.51

62.10

10.18

21

78.57

76.90

2.12

97.11

23.59

85.17

8.40

22

73.43

80.53

9.67

91.25

24.27

83.80

14.12

23

95.74

106.52

11.26

118.01

23.26

106.47

11.20

24

145.08

124.25

14.36

128.00

11.77

141.69

2.33

25

117.35

106.62

9.15

118.09

3.68

108.13

7.86

26

152.66

141.03

7.62

169.82

11.24

157.17

2.95

27

188.15

164.50

12.57

165.98

11.78

189.75

0.85

Average

  

8.54

 

16.60

 

6.38

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