Research Article
Static and Dynamic Characteristics of Composite Conoidal Shell Roofs
Table 4
Nondimensional dynamic deflections of the conoidal shell.
| Boundary condition | Lamination (degree) | Dynamic deflections | Load case I | Load case II | Load case III |
| CCSS | 0/90 | 0.000687 (15) | 0.000687 (15) | 0.000342 (15) | 0/90/0 | 0.000598 (11) | 0.000597 (11) | 0.000265 (11) | 0/90/0/90 | 0.000522 (9) | 0.000522 (9) | 0.000262 (10) | 0/90/90/0 | 0.000546 (10) | 0.000546 (10) | 0.000256 (9) | 45/−45 | 0.000227 (3) | 0.000227 (3) | 0.000105 (3) | 45/−45/45 | 0.000241 (4) | 0.000241 (4) | 0.000118 (4) | 45/−45/45/−45 | 0.000178 (1) | 0.000178 (1) | (1) | 45/−45/−45/45 | 0.000196 (2) | 0.000196 (2) | (2) |
| SSCC | 0/90 | 0.000811 (16) | 0.000814 (16) | 0.000413 (16) | 0/90/0 | 0.000665 (14) | 0.000665 (14) | 0.000295 (12) | 0/90/0/90 | 0.000658 (12) | 0.000658 (12) | 0.000323 (14) | 0/90/90/0 | 0.000662 (13) | 0.000662 (13) | 0.000295 (13) | 45/−45 | 0.000418 (8) | 0.000418 (8) | 0.000188 (8) | 45/−45/45 | 0.000315 (7) | 0.000315 (7) | 0.000142 (7) | 45/−45/45/−45 | 0.000301 (6) | 0.000301 (6) | 0.000139 (6) | 45/−45/−45/45 | 0.000294 (5) | 0.000294 (5) | 0.000136 (5) |
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, , , , , , , , and Nsec2/m4. Values in parentheses indicate ranks for respective shell actions.
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