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Load Distribution Prediction and Design Models for Ship Special Mechanical Devices and Equipment under Non-linear Sea Conditions

Peiyao Yang

Peiyao Yang

708 Research Institute, China State Shipbuilding Corporation LimitedShanghai, China
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Yang, Peiyao
  
17 mar 2025
Load Distribution Prediction and Design Models for Ship Special Mechanical Devices and Equipment under Non-linear Sea Conditions's Cover Image
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Pubblicato online: 17 mar 2025
Ricevuto: 09 nov 2024
Accettato: 09 feb 2025
DOI: https://doi.org/10.2478/amns-2025-0170
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© 2025 Peiyao Yang, published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

Figure 1.

Wave spectrum No. 3
Wave spectrum No. 3

Figure 2.

Area of wave damping in numerical tank
Area of wave damping in numerical tank

Figure 3.

Flowchart of two-way coupling of CFD-FEM
Flowchart of two-way coupling of CFD-FEM

Figure 4.

Different measurement points slam the pressure contrast
Different measurement points slam the pressure contrast

Figure 5.

Different measurement points slam the pressure contrast
Different measurement points slam the pressure contrast

Figure 6.

The blade load distribution of the pump propeller
The blade load distribution of the pump propeller

Figure 7.

Pressure loading distribution
Pressure loading distribution

Values of six parameters

No. Hs1 Hs2 ωm1 ωm2 λ1 λ2
Most likely 1 0.84Hs 0.54Hs 0.70e-0.046Hs 1.15e-0.039Hs 3.00 1.54e-0.062Hs
95% credibility 2 0.95Hs 0.31Hs 0.70e-0.046Hs 1.50e-0.046Hs 1.35 2.48e-0.102Hs
3 0.65Hs 0.76Hs 0.61e-0.039Hs 0.94e-0.036Hs 4.95 2.48e-0.102Hs
4 0.84Hs 0.54Hs 0.93e-0.056Hs 1.50e-0.046Hs 3.00 2.77e-0.112Hs
5 0.84Hs 0.54Hs 0.41e-0.016Hs 0.88e-0.026Hs 2.55 1.82e-0.089Hs
6 0.90Hs 0.44Hs 0.81e-0.052Hs 1.60e-0.033Hs 1.80 2.95e-0.105Hs
7 0.77Hs 0.64Hs 0.54e-0.039Hs 0.61 4.50 1.95e-0082Hs
8 0.73Hs 0.68Hs 0.70e-0.046Hs 0.99e-0.039Hs 6.40 1.78e-0.069Hs
9 0.92Hs 0.39Hs 0.70e-0.046Hs 1.37e-0.039Hs 0.70 1.78e-0.069Hs
10 0.84Hs 0.54Hs 0.74e-0.052Hs 1.30e-0.039Hs 2.65 2.65e-0.085Hs
11 0.84Hs 0.54Hs 0.62e-0.039Hs 1.03e-0.030Hs 2.60 0.53e-0.069Hs
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