Table 2 Summary of the relative error (in %) for simulations with experimental measurements.

From: Physics guided heat source for quantitative prediction of IN718 laser additive manufacturing processes

  

Case 0

Case 1.1

Case 1.2

Case 2.1

Case 2.2

Case 3.1

Case 3.2

Track time above melt

Heuristic

31.61

93.93

38.88

15.53

58.23

36.68

33.04

Scaling

76.27

1.86

58.73

44.16

77.71

64.73

84.49

Physics guided

15.80

2.88

29.79

24.11

46.06

12.00

22.32

Track solid cooling rate

Heuristic

33.16

169.81

42.16

6.63

9.16

40.74

11.19

Scaling

19.62

34.91

8.19

36.75

194.32

99.48

35.77

Physics guided

33.19

37.29

14.54

7.76

36.90

40.97

17.92

Track liquid cooling rate

Heuristic

17.86

29.22

100.90

42.54

0.22

2.46

45.62

Scaling

5.30

48.08

62.43

0.78

59.40

6.29

10.08

Physics guided

18.31

39.83

64.72

46.11

1.75

15.98

42.67

Track melt pool depth

Heuristic

9.81

0.97

9.47

7.02

15.01

14.51

8.47

Scaling

18.11

5.81

23.05

30.36

1.42

10.78

18.05

Physics guided

0.50

8.01

1.56

2.46

0.28

4.27

4.19

Track melt pool width

Heuristic

17.39

127.87

5.86

13.48

23.00

36.26

7.42

Scaling

28.39

6.78

5.86

35.64

25.56

37.01

29.83

Physics guided

2.42

0.75

1.62

1.06

2.50

2.76

3.40

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