Open Access
Table 3
Natural frequencies and modal damping of 0°/θ°/0° GE-LCB beam with L/h = 5.
| Fiber angle | Mode | Boundary condition | ||
|---|---|---|---|---|
| 0°/θ°/0° | SS | CC | CF | |
| 1st Mode | 264.96 (0.3735) | 1727.92 (0.0103) | 290.73 (0.0078) | |
| 0° | 2nd Mode | 592.99 (0.2499) | 4380.23 (0.0108) | 1686.37 (0.0085) |
| 3rd Mode | 791.59 (0.0249) | 4616.32 (0.0055) | 2308.16 (0.0055) | |
| 1st Mode | 264.49 (0.3750) | 1725.64 (0.0103) | 290.28 (0.0078) | |
| 15° | 2nd Mode | 592.04 (0.2515) | 4375.10 (0.0108) | 1684.00 (0.0085) |
| 3rd Mode | 790.47 (0.0248) | 4549.21 (0.0059) | 2274.60 (0.0059) | |
| 1st Mode | 263.50 (0.3780) | 1720.19 (0.0103) | 289.21 (0.0079) | |
| 30° | 2nd Mode | 590.24 (0.2552) | 4362.72 (0.0109) | 1678.34 (0.0086) |
| 3rd Mode | 787.78 (0.0246) | 4383.46 (0.0069) | 2191.73 (0.0069) | |
| 1st Mode | 262.85 (0.3800) | 1714.56 (0.0104) | 288.13 (0.0079) | |
| 45° | 2nd Mode | 589.68 (0.2584) | 4202.98 (0.0079) | 1672.58 (0.0086) |
| 3rd Mode | 785.06 (0.0242) | 4349.84 (0.0109) | 2101.49 (0.0079) | |
| 1st Mode | 263.05 (0.3794) | 1711.08 (0.0103) | 287.49 (0.0078) | |
| 60° | 2nd Mode | 591.37 (0.2592) | 4081.83 (0.0083) | 1669.11 (0.0086) |
| 3rd Mode | 783.45 (0.0235) | 4341.69 (0.0108) | 2040.92 (0.0083) | |
| 1st Mode | 263.75 (0.3772) | 1709.89 (0.0102) | 287.29 (0.0077) | |
| 75° | 2nd Mode | 594.06 (0.2581) | 4033.95 (0.0082) | 1668.01 (0.0085) |
| 3rd Mode | 782.97 (0.0230) | 4338.75 (0.0108) | 2016.97 (0.0082) | |
| 1st Mode | 264.13 (0.3760) | 1709.74 (0.0102) | 287.28 (0.0077) | |
| 90° | 2nd Mode | 595.34 (0.2574) | 4025.37 (0.0080) | 1667.92 (0.0085) |
| 3rd Mode | 782.94 (0.0228) | 4338.31 (0.0108) | 2012.69 (0.0080) | |
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