Numerical analysis of influence of stern flaps on motion and stability of high-speed amphibious platform

Table 1. Parameters of GPPH planing craft
View table
View in Article
Table 1. Parameters of GPPH planing craft
参数数值
艇长L_l /m 2.410
艇宽B_l /m 0.630
质量m_l /kg 101.250
重心距船艉距离x_l /m 0.844
重心距基线高度z_l /m 0.138
纵向转动惯量I_yy /(kg·m²) 20.940
静浮吃水D_l /m 0.148

Table 2. Parameters of amphibious platform
View table
View in Article
Table 2. Parameters of amphibious platform
参数数值
总长L/m 6.00
水线长L_WL/m 5.69
型宽B/m 2.36
吃水D/m 0.42
排水量Δ/t 3.20
重心距底板高度z_g /m 0.30
压浪板长度/m 0.15
压浪板宽度/m 0.34

Table 3. Results of grid sensitivity
View table
View in Article
Table 3. Results of grid sensitivity
表面网格尺寸/mm α=8° α=23°
纵倾角/(°) 升沉/m 纵倾角/(°) 升沉/m
14 4.36 0.318 1.66 0.254
20 4.23 0.316 1.55 0.256
28 3.89 0.319 1.54 0.256

Table 4. The results of longitudinal motion at a speed of 22 kn
View table
View in Article
Table 4. The results of longitudinal motion at a speed of 22 kn
α/(°) 纵倾角/(°) 升沉/m
无压浪板 4.61 0.34
2 4.50 0.33
8 4.23 0.31
15 2.95 0.28
23 1.55 0.26

Tools

Get Citation

Copy Citation Text

Zunfeng DU, Xuliang MU, Zhijun LI. Numerical analysis of influence of stern flaps on motion and stability of high-speed amphibious platform[J]. Chinese Journal of Ship Research, 2022, 17(3): 85

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites