PSI - Issue 37

Rogério Lopes et al. / Procedia Structural Integrity 37 (2022) 115–122 R. F. Lopes et al./ Structural Integrity Procedia 00 (2019) 000 – 000 (%) = | − | × 100% 60000

121

7

(8)

0 1 2 3 4 5 6 7 8 9

10 15 20 25 30 35 40 45

50000

40000

30000

20000 Force [N] Displacement [mm]

Velocity [m/s]

0 5

10000

0

0.00

0.50

1.00

1.50

2.00

2.50

3.01

3.51

4.01 4.51 Time [ms] 5.01

5.51

6.01

6.51

7.01

7.51

8.01

8.51

0 3 6 9 12 15 18 21 24 27 30 33 36 39

Displacement [mm]

Velocity

Displacement

b)

a)

Fig. 5. a) Virtual velocity and displacement of the impactor and b) internal reaction of the door per displacement

DIC

•

-6.134 -4.625 -3.112 -1.6 V[mm]

-4.5 -3.656 -2.812 -1.969 -1.125 -0.251 0.562 1.406 2.25 3.094 3.938 4.781 5.625 6.469 7.313 8.156 9 U[mm]

0 5.969 11.9375 17.906 23.875 29.844 35.813 41.781 47.75 53.719 59.688 65.656 71.625 77.594 83.563 89.531 95.5 W[mm] -0.0012 -0.0007 -0.0003 -0.0021 0.00018 0.00063 0.00107 0.00151 0.00196 0.00240 0.00284 0.00328 0.00373 0.00418 0.00462 0.00551 0.00595

-24.288 -21.263 -19.75 -18.238 -16.725 -15.213 -13.7 -12.1875 -10.675 -9.163 -7.65

-25.8 -3.656

Fig. 6. DIC displacement contour field domain in mm a) U, b) V and c) W -0.0037 -0.0034 -0.0031 -0.0028 -0.0025 -0.0022 -0.0019 -0.0016 -0.0014 -0.0011 -0.0008 -0.0005 -0.0002 0.00013 0.00004 0.00072 0.00102 -0.0031 -0.0027 -0.0024 -0.0021 -0.0017 -0.0014 -0.0011 -0.0008 -0.0004 -0.0001 0.00023 0.00056 0.00089 0.00122 0.00154 0.00187 0.00220

Fig. 7. DIC strain contour field domain a) e_xx, b) e_yy and c) e_xy

With the use of 3D DIC technology, it was possible to study the front panel of the door with some precision. The main obtained results are displacement, in the Fig. 6, and strain, in the Error! Reference source not found. , in the three