Table 5 Comparisons between test and numerical results.

From: Experimental and numerical studies on corrosion-resistant aluminium foam sandwich panel subject to low-velocity impact

Specimen

Peak force (kN)

Maximum displacement of impactor (mm)

Test value, Fp

Numerical value, FpFE

FpFE/Fp

Test value, Di

Numerical value, DiFE

DiFE/Di

S1.4-20-3-1000

60.0

56.9

0.95

33.2

33.8

1.02

S0.8-20-3-1000

59.4

51.2

0.86

39.9

39.8

1.00

S2.0-20-3-1000

87.7

80.4

0.92

21.0

23.1

1.10

S1.4-20-2-1000

64.0

59.1

0.92

30.1

34.6

1.15

S1.4-20-4-1000

72.6

68.1

0.94

27.4

28.1

1.03

S1.4-10-3-1000

89.2

84.7

0.95

25.2

24.7

0.98

S1.4-30-3-1000

58.5

55.6

0.95

39.7

42.8

1.08

Mean

  

0.93

  

1.05

COV

  

3.2%

  

6.1%