Study on Model of Penetration into Thick Metallic Targets with Finite Planar Sizes by Long Rods
Table 1
Penetration data for long rod penetration into thick metallic targets with finite planar sizes.
rt (mm)
rd (mm)
rt/rd
Rt (MPa)
Dshi (mm)
Dmax (mm)
δ
19.10
3.8980
4.90
2556.85
87.25
93.67
0.0736
19.10
3.8980
4.90
2556.85
88.49
93.67
0.0585
25.40
3.8957
6.52
3036.72
86.00
86.59
0.0068
25.45
3.8974
6.53
3039.30
86.31
86.55
0.0028
51.10
3.8948
13.12
4211.49
74.86
72.16
−0.0360
51.05
3.8969
13.10
4208.92
70.97
72.19
0.0173
77.45
3.8959
19.88
4337.50
66.76
70.81
0.0607
77.10
3.8959
19.79
4334.71
69.72
70.84
0.0161
77.25
3.8956
19.83
4335.96
69.25
70.83
0.0227
111.00
3.8906
28.53
4494.88
70.73
69.17
−0.0221
304.80
3.9248
77.66
4623.37
–
67.86
–
Notes: Rt is the theoretical penetration resistance calculation result in this paper; Dmax is the theoretical penetration depth calculation result in this paper; Dshi is the test result of penetration depth in [13]; and δ is the relative error of Dmax and Dshi.
