Research Article
Design and Numerical Simulation of Pyramidal Prefolded Patterned Thin-Walled Tubes
Table 2
Geometries and numerical results of the supplemental square patterned tubes for the analysis of ratio R.
| Specimen | h (mm) | (°) | Weight increase (%) | (kN) | reduction (%) | (kN) | SEA (kJ/kg) | SEA increase (%) | Crushing trajectory |
| S5_R0_84 | 2.3 | 87.1 | 1.1 | 76.6 | 42.0 | 47.4 | 10.7 | 1.4 | NF | S5_R0_80 | 3.9 | 85.1 | 1.7 | 70.7 | 46.5 | 55.7 | 12.5 | 18.5 | NCF | S5_R0_76 | 5.5 | 83.1 | 2.3 | 64.3 | 51.3 | 54.6 | 12.2 | 15.5 | NCF | S5_R0_72 | 7.1 | 81.0 | 2.8 | 60.0 | 54.6 | 52.1 | 11.6 | 9.7 | CF | S5_R0_68 | 10.7 | 76.6 | 4.0 | 58.3 | 55.9 | 48.8 | 10.7 | 1.4 | CF | S5_R25_84 | 1.7 | 87.1 | 0.9 | 77.1 | 41.6 | 49.3 | 11.1 | 5.7 | NF | S5_R25_80 | 2.9 | 85.1 | 1.4 | 72.5 | 45.1 | 56.0 | 12.6 | 19.5 | NCF | S5_R25_76 | 4.1 | 83.1 | 2.0 | 64.7 | 51.0 | 55.2 | 12.3 | 17.1 | NCF | S5_R25_72 | 5.4 | 81.0 | 2.5 | 61.3 | 53.6 | 54.1 | 12.0 | 14.1 | CF | S5_R25_68 | 6.7 | 78.8 | 3.0 | 59.4 | 55.0 | 53.2 | 11.8 | 11.8 | CF | S5_R25_64 | 8.0 | 76.6 | 3.4 | 58.8 | 55.5 | 49.6 | 11.3 | 7.7 | CF | S5_R50_84 | 1.2 | 87.1 | 0.9 | 79.5 | 39.8 | 48.5 | 11.0 | 4.0 | NF | S5_R50_80 | 1.9 | 85.1 | 1.6 | 75.2 | 43.1 | 52.3 | 11.7 | 11.4 | NF | S5_R50_76 | 2.7 | 83.1 | 2.6 | 65.5 | 50.4 | 55.4 | 12.3 | 16.9 | NCF | S5_R50_72 | 3.6 | 81.0 | 3.0 | 62.9 | 52.4 | 54.4 | 12.0 | 14.3 | NCF | S5_R50_68 | 4.4 | 78.8 | 4.4 | 61.4 | 53.5 | 54.0 | 11.8 | 12.0 | CF | S5_R50_64 | 5.4 | 76.6 | 5.2 | 60.5 | 54.2 | 52.9 | 11.5 | 8.8 | CF | S5_R75_72 | 1.8 | 81.0 | 3.6 | 81.0 | 38.7 | 49.1 | 10.8 | 2.7 | NF | S5_R75_68 | 2.2 | 78.8 | 4.5 | 76.9 | 41.8 | 52.4 | 11.4 | 8.6 | NF | S5_R75_64 | 2.7 | 76.6 | 5.1 | 73.2 | 44.6 | 54.5 | 11.8 | 12.3 | NCF | S5_R75_60 | 3.2 | 74.2 | 6.0 | 64.3 | 51.3 | 53.8 | 11.6 | 9.9 | NCF | S5_R75_56 | 3.7 | 71.7 | 6.9 | 63.3 | 52.1 | 53.2 | 11.3 | 7.7 | NCF | S5_R75_52 | 4.3 | 69.1 | 7.0 | 59.4 | 55.0 | 52.8 | 11.3 | 6.9 | CF | S6_R0_76 | 4.6 | 84.2 | 1.6 | 78.9 | 40.2 | 50.2 | 11.3 | 7.0 | NF | S6_R0_72 | 5.9 | 82.5 | 2.9 | 76.6 | 42.0 | 58.8 | 13.0 | 23.7 | NCF | S6_R0_68 | 7.4 | 80.7 | 4.4 | 73.3 | 44.5 | 57.0 | 12.5 | 18.3 | NCF | S6_R0_64 | 8.9 | 78.8 | 6.4 | 70.8 | 46.4 | 55.8 | 12.0 | 13.5 | NCF | S6_R0_60 | 10.6 | 76.8 | 8.8 | 66.7 | 49.5 | 55.5 | 11.6 | 10.5 | CF | S6_R50_76 | 2.3 | 84.2 | 1.9 | 88.8 | 32.7 | 50.9 | 11.4 | 8.3 | NF | S6_R50_72 | 3.0 | 82.5 | 2.1 | 85.1 | 35.5 | 53.5 | 11.9 | 13.4 | NF | S6_R50_68 | 3.7 | 80.7 | 4.6 | 83.5 | 36.7 | 61.3 | 13.3 | 26.1 | NCF | S6_R50_64 | 4.5 | 78.8 | 5.4 | 79.4 | 39.0 | 60.9 | 13.1 | 24.8 | NCF | S6_R50_60 | 5.3 | 76.8 | 7.0 | 77.2 | 41.5 | 61.0 | 13.0 | 23.4 | NCF | S6_R50_56 | 6.2 | 74.6 | 9.1 | 72.7 | 44.9 | 59.1 | 12.3 | 17.2 | CF | S6_R75_48 | 4.1 | 69.8 | 8.7 | 76.2 | 42.3 | 51.5 | 10.8 | 2.6 | NF | S6_R75_44 | 4.7 | 67.1 | 11.2 | 73.5 | 44.3 | 60.1 | 12.3 | 17.1 | NCF | S6_R75_40 | 5.5 | 64.1 | 14.6 | 69.9 | 47.0 | 60.6 | 11.9 | 12.5 | NCF | S6_R75_36 | 6.3 | 60.7 | 18.1 | 68.9 | 47.8 | 62.9 | 11.7 | 11.3 | NCF | S6_R75_32 | 7.3 | 56.8 | 23.0 | 67.0 | 49.2 | 61.1 | 11.3 | 7.5 | CF |
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