Chinese Journal of Ship Research, Volume. 18, Issue 1, 213(2023)
Size effect on the intrinsic dynamic characteristics of the orthogonally stiffened plate
Figures & Tables(12)
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Table 1. Natural frequencies corresponding to each mesh size for the orthogonally stiffened plate
View tableView in ArticleTable 1. Natural frequencies corresponding to each mesh size for the orthogonally stiffened plate
网格属性 最大相对误差/% m = n 时的固有频率/Hz 尺寸/m 数量 （1，1）阶 （2，2）阶 （3，3）阶 （4，4）阶 0.010 10 200 − 155.770 383.988 689.657 1 124.66 0.009 12 768 0.058 155.743 383.870 689.375 1 124.01 0.008 16 128 0.050 155.712 383.764 689.125 1 123.45 0.007 21 024 0.046 155.680 383.662 688.888 1 122.93 0.006 28 560 0.043 155.653 383.565 688.667 1 122.45 0.005 40 400 0.037 155.626 383.480 688.475 1 122.04 0.004 63 000 0.034 155.601 383.400 688.297 1 121.66 0.003 112 224 0.027 155.580 383.333 688.150 1 121.36 0.002 251 000 0.021 155.565 383.284 688.041 1 121.12 0.001 1 002 000 0.011 155.555 383.252 687.973 1 121.00
Table 2. Natural frequencies of the first four orders corresponding to each global size of the beam model
View tableView in ArticleTable 2. Natural frequencies of the first four orders corresponding to each global size of the beam model
梁模型长度 固有频率/Hz 第1阶 第2阶 第3阶 第4阶 1 106.52 292.83 571.81 940.35 2 73.435 237.43 493.58 839.95 3 63.992 220.22 468.76 807.69 4 59.506 211.85 456.58 791.80 5 56.893 206.91 449.35 782.33 6 55.183 203.65 444.56 776.05 7 53.978 201.34 441.16 771.58 8 53.083 199.61 438.61 768.24 9 52.392 198.27 436.64 765.64 10 51.842 197.20 435.06 763.57 20 49.404 192.44 428.00 754.27 30 48.605 190.86 425.66 751.19 40 48.208 190.08 424.49 749.65 50 47.970 189.61 423.80 748.74
Table 3. Natural frequencies of the first four orders corresponding to each global size of the plate model
View tableView in ArticleTable 3. Natural frequencies of the first four orders corresponding to each global size of the plate model
模型序号 m = n 时的固有频率/Hz （1，1）阶 （2，2）阶 （3，3）阶 （4，4）阶 1 79.372 190.38 349.92 560.03 2 47.681 140.40 281.85 472.30 3 38.994 125.40 260.95 445.58 4 35.138 118.31 250.88 432.56 5 32.842 114.24 244.95 424.92 6 31.376 111.59 240.93 420.08 7 30.356 109.70 238.44 416.70 8 29.599 108.31 236.48 414.31 9 29.038 107.14 234.99 412.56 10 28.578 106.38 233.85 411.30
Table 4. Natural frequencies of the first four orders corresponding to each global size of the orthogonally stiffened plate
View tableView in ArticleTable 4. Natural frequencies of the first four orders corresponding to each global size of the orthogonally stiffened plate
模型序号 m = n 时的固有频率/Hz （1，1）阶 （2，2）阶 （3，3）阶 （4，4）阶 1 83.346 196.56 391.06 571.91 2 52.528 152.61 317.20 508.68 3 44.444 142.59 303.74 436.76 4 41.123 136.28 295.43 440.95 5 38.374 132.41 290.73 443.80 6 36.985 130.12 287.09 446.95 7 35.924 128.44 285.19 449.80 8 35.123 127.27 283.27 452.27 9 34.645 126.32 282.01 454.90 10 34.137 125.63 281.32 457.11
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Dong TANG, Zitong MA, Feng LUO, Mengke CHEN. Size effect on the intrinsic dynamic characteristics of the orthogonally stiffened plate[J]. Chinese Journal of Ship Research, 2023, 18(1): 213
Paper Information
Category: Ship Structure and Fittings
Received: Nov. 21, 2021
Accepted: --
Published Online: Mar. 18, 2025
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