SVR-based identification of nonlinear roll motion of trimaran

Table 1. Principal particulars of trimaran
View table
View in Article
Table 1. Principal particulars of trimaran
参数主体侧体
水线间长L/m 3.250 1.125
型宽B/m 0.225 0 0.050 3
吃水T/m 0.112 5 0.046 9
质量m/kg 34.873 1.138
重心纵向位置z_g/m 0.067 5
C_L 1.056/1.333/1.611

Table 2. Mesh division
View table
View in Article
Table 2. Mesh division
区域网格数量
细网格 (${G_1}$) 中等网格 (${G_2}$) 粗网格 (${G_3}$)
重叠区域 328.90×10⁴ 140.40×10⁴ 60.90×10⁴
背景区域 167.34×10⁴ 64.50×10⁴ 24.17×10⁴

Table 3. Identified parameters of roll motion equation
View table
View in Article
Table 3. Identified parameters of roll motion equation
参数真实值辨识值误差/%
A 0.002 58 0.002 54 1.292 0
C 0.004 40 0.004 10 7.997 0
R₁ 0.395 00 0.394 90 0.034 0
R₃ 0.634 80 0.634 50 0.046 1
f_cos 0.019 28 0.019 21 0.366 1
f_sin 0 0.000 52

Tools

Get Citation

Copy Citation Text

Yue GU, Renchuan ZHU, Chuanqing LI, Chengyu WU. SVR-based identification of nonlinear roll motion of trimaran[J]. Chinese Journal of Ship Research, 2025, 20(2): 187

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites