Research Article
The Nonlinear Instability Modes of Dished Shallow Shells
under Circular Line Loads
Table 1
The initial instability and maximum deflection position under different geometric parameters ().
| | The geometric parameter: | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | | The initial instability position: | 0.00 | 0.16 | 0.22 | 0.98 | 0.99 | 0.56 | 0.44 | 0.38 | | The maximum deflection position: | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| | The geometric parameter: | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | | The initial instability position: | 0.36 | 0.34 | 0.34 | 0.34 | 0.34 | 0.34 | 0.34 | 0.34 | | The maximum deflection position: | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
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