On the Measurement of Added Mass and Added Moment of Inertia for Ship Motions

Motora, Seizo

doi:10.2534/jjasnaoe1952.1959.83

Cited by 17 publications

(4 citation statements)

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“…Due to limited test facilities and high cost, the empirical formula of Blendermann [13] is applied in this paper. The added mass is calculated by the formulas from reference [16,17].…”

Section: Wind Load Calculationmentioning

confidence: 99%

“…The ship mass and inertia moment are known. The added mass and added moment are estimated by reference [3,16,17] Table 4. As presented in the Table 4, the advance from the sea trial and prediction by RM-SVM are both smaller than the limit of the IMO standard for ship maneuverability 4.5L, as is the tactical diameter 5L.…”

Section: Surge Coefficients (×10 5 )mentioning

confidence: 99%

“…Currently, the shipping industry focuses on the wind coefficient of container ships with dynamic stowage [15]. Aiming to calculate added mass, Motora proposed a simple method [16] and Zhou reproduced the formula for easy application [17]. For wave disturbance, Daidola used the second-order wave drift force and moment coefficient [18], Li used Daidola's method for ship motion simulation [19].…”

Section: Introductionmentioning

confidence: 99%

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Full-Scale Maneuvering Trials Correction and Motion Modelling Based on Actual Sea and Weather Conditions

Mei

Sun

Shi

2020

Sensors

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Aiming at the poor accuracy and difficult verification of maneuver modeling induced by the wind, waves and sea surface currents in the actual sea, a novel sea trials correction method for ship maneuvering is proposed. The wind and wave drift forces are calculated according to the measurement data. Based on the steady turning hypothesis and pattern search algorithm, the adjustment parameters of wind, wave and sea surface currents were solved, the drift distances and drift velocities of wind, waves and sea surface currents were calculated and the track and velocity data of the experiment were corrected. The hydrodynamic coefficients were identified by the test data and the ship maneuvering motion model was established. The results show that the corrected data were more accurate than log data, the hydrodynamic coefficients can be completely identified, the prediction accuracy of the advance and tactical diameters were 93% and 97% and the prediction of the maneuvering model was accurate. Numerical cases verify the correction method and full-scale maneuvering model. The turning circle advance and tactical diameter satisfy the standards of the ship maneuverability of International Maritime Organization(IMO).

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“…Due to limited test facilities and high cost, the empirical formula of Blendermann [13] is applied in this paper. The added mass is calculated by the formulas from reference [16,17].…”

Section: Wind Load Calculationmentioning

confidence: 99%

Section: Surge Coefficients (×10 5 )mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Full-Scale Maneuvering Trials Correction and Motion Modelling Based on Actual Sea and Weather Conditions

Mei

Sun

Shi

2020

Sensors

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show abstract

“…at any time t and position e in the earth axes is given by ( 4 ) where p is the density of water, k is the wave number, a is the amplitude of the waves and c is the phase velocity of the wave. By using the following transformation set between the earth and body axes ( 5 ) the pressure p in the body axes is given as…”

Section: Introductionmentioning

confidence: 99%

Study on Ship Motions and Capsizing in Following Seas (Final Report)

Hamamoto

Kim

Uwatoko

1991

J. SNAJ, Nihon zousen gakkai ronbunshu

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Critical situationsleading up to capsize are pointed out for a ship in severe following and quartering seas by using the aid of numerical simulation program.The effect of several parameters on the critical situation is discussed to investigate the possible causes of capsizing.In addition, Froude-Krylov force acting on a ship with large amplitude displacement are evaluated in the practical formulas to make simulation program simple.

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Design Loads

Tsinker¹

1997

Handbook of Port and Harbor Engineering

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On the Measurement of Added Mass and Added Moment of Inertia for Ship Motions

Cited by 17 publications

References 0 publications

Full-Scale Maneuvering Trials Correction and Motion Modelling Based on Actual Sea and Weather Conditions

Full-Scale Maneuvering Trials Correction and Motion Modelling Based on Actual Sea and Weather Conditions

Study on Ship Motions and Capsizing in Following Seas (Final Report)

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