PSI - Issue 71

Deepak Kumar et al. / Procedia Structural Integrity 71 (2025) 380–387

384

Table 6: Absorbed energy and peak force reaction of all laminate sequence.

Laminate sequence

Mass of impactor (kg)

Impact velocity (m/s 2 )

Energy absorbed (J)

Peak force reaction (N)

1.7

0.654 1.809 4.990 7.537 21.17 57.64 10.65 28.88 73.20 0.653 1.809 5.002 7.838 21.20 53.57 10.76 29.99 60.51 0.663 1.778 5.041 7.939 21.34 39.46 11.02 28.93 50.90 0.659 1.824 5.037 7.869 21.11 54.64 10.67 30.50 72.70 0.654 1.745 4.930 7.955 17.56 23.41 9.991 18.49 22.62 0.626 1.749 4.836 1.741 6.555

3149.9 5321.8 9023.6 9387.2 11604 14993 9745.3 12681 15352 2719.6 7845.5 8385.2 10631 13343 9354.9 11201 12443 2693.1 5509.9 6325.2 7933.7 9982.5 6754.9 7900.9 9938.8 1916.9 3324.4 5915.9 6781.7 9500.5 10082 7897.4 9866.9 10085 1795.4 2828.8 2483.8 2547.6 2941.3 2646.7 2635.4 2911.7 637.6 1262.9 518.3 1290.7 1473.7 528.5 1296.2 1478.8 4549 1611 2091 322

The energy

0.412

3 5 3 5 3 5 3 5 3 5 3 5 3 5 3 5 3 5 3 5 3 5 3 5 3 5 3 5 3 5 3 5 3 5 3 5

CCCC

1.7

5

1.7

7

1.7

0.412

CFFC

1.7

5

1.7

7

1.7

0.412

CSSC

1.7

5

1.7

7

1.7

0.412

CFSC

1.7

5

1.7

7

1.7

0.412

FFFF

1.7

5

1.7

7

1.7

0.412

SSSS

1.7

5

14.792 1.790 6.803 15.56

1.7

7

absorption increased as the velocities of the impactor increased for each mass of the impactor in each configuration