Research Article
Behaviour and Optimization Aids of Composite Stiffened Hypar Shell Roofs with Cutout under Free Vibration
Table 1
Natural frequencies (Hz) of centrally stiffened clamped square plate.
| Mode no. |
Mukherjee and Mukhopadhyay [14] | Nayak and Bandyopadhyay [15] |
Present method | N8 (FEM) | N9 (FEM) |
| 1 | 711.8 | 725.2 | 725.1 | 733 |
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m, shell thickness m, stiffener depth 0.0127 m, stiffener width m, stiffener eccentric at bottom. Material property: N/m2, , kg/m3.
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