Research Article
Numerical Analysis of Dynamic Response of Corrugated Core Sandwich Panels Subjected to Near-Field Air Blast Loading
Table 2
Simulation results of equivalent solid plates.
| Case number | SOD | Thickness | Peak reflected pressure | Momentum | Maximum deflection | Failure mode | (mm) | (mm) | (KPa) | (kg×m/s) | (mm) | — |
| SP-1 | 30 | 5.8 | 6.4101 × 106 | 10.34 | 30.34 | Mode I | SP-2 | 50 | 5.8 | 1.4147 × 106 | 8.91 | 16.36 | Mode Ib | SP-3 | 80 | 5.8 | 2.8021 × 105 | 7.26 | 7.75 | Mode Ib | SP-4 | 100 | 5.8 | 9.2619 × 104 | 6.30 | 5.93 | Mode Ib | SP-5 | 30 | 5.3 | 6.3730 × 106 | 10.35 | 33.57 | Mode I | SP-6 | 50 | 5.3 | 1.4122 × 106 | 8.93 | 18.35 | Mode Ib | SP-7 | 80 | 5.3 | 2.6578 × 105 | 7.30 | 8.60 | Mode Ib | SP-8 | 100 | 5.3 | 9.2532 × 104 | 6.34 | 6.71 | Mode Ib | SP-9 | 30 | 5.0 | 6.3287 × 106 | 10.35 | 35.73 | Mode I | SP-10 | 50 | 5.0 | 1.4073 × 106 | 8.94 | 19.66 | Mode Ib | SP-11 | 80 | 5.0 | 2.5159 × 105 | 7.32 | 9.28 | Mode Ib | SP-12 | 100 | 5.0 | 9.2506 × 104 | 6.36 | 7.26 | Mode Ib | SP-13 | 30 | 4.5 | 6.2330 × 106 | 10.36 | — | Petalling | SP-14 | 50 | 4.5 | 1.3990 × 106 | 8.97 | 22.09 | Mode Ib | SP-15 | 80 | 4.5 | 2.3856 × 105 | 7.37 | 10.57 | Mode Ib | SP-16 | 100 | 4.5 | 9.2358 × 104 | 6.41 | 8.24 | Mode Ib | SP-17 | 30 | 4.2 | 6.1957 × 106 | 10.37 | — | Petalling | SP-18 | 50 | 4.2 | 1.3891 × 106 | 8.99 | 23.74 | Mode Ib | SP-19 | 80 | 4.2 | 2.2945 × 105 | 7.40 | 11.41 | Mode Ib | SP-20 | 100 | 4.2 | 9.2216 × 104 | 6.45 | 8.84 | Mode Ib | SP-21 | 30 | 6.8 | 6.5412 × 106 | 10.32 | 25.24 | Mode I | SP-22 | 50 | 6.8 | 1.4334 × 106 | 8.86 | 13.09 | Mode Ib | SP-23 | 80 | 6.8 | 3.0678 × 105 | 7.19 | 6.14 | Mode Ib | SP-24 | 100 | 6.8 | 9.3192 × 104 | 6.22 | 4.62 | Mode Ib |
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