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Keywords: coefficient
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Journal Articles
Research on the Algorithm of Weighing Optimization System Based on Finite Element Analysis
Available to Purchase
Journal:
Journal of Ship Research
J Ship Res 68 (03): 123–133.
Paper Number: SNAME-JSR-01240001
Published: 30 September 2024
... network evolutionary algorithm month 2024 formula artificial intelligence accuracy vibration optimization problem machine learning neuron compensation algorithm sensor ship research journal cod coefficient characteristic optimization algorithm identification dimension optimization...
Journal Articles
Determination of Maneuvering Force Coefficients for a Destroyer Model with OpenFOAM
Available to Purchase
Journal:
Journal of Ship Research
J Ship Res 68 (02): 39–65.
Paper Number: SNAME-JSR-06220019
Published: 27 June 2024
...Shanqin Jin; Ruosi Zha; Heather Peng; Wei Qiu; Kevin McTaggart _ Ship maneuvering performance can be predicted using various methods, including physical model tests, rapid simulations using coefficient-based forces, and high-fidelity computational fluid dynamics. This article considers...
Journal Articles
Unmanned Underwater Vehicle Autonomy and Control near Submarines Using Actively Sampled Surrogates
Available to Purchase
Journal:
Journal of Ship Research
J Ship Res 67 (04): 235–251.
Paper Number: SNAME-JSR-02230004
Published: 31 December 2023
Journal Articles
Methods to Improve Accuracy of Planing Hull Resistance Prediction
Available to Purchase
Journal:
Journal of Ship Research
J Ship Res 67 (03): 184–196.
Paper Number: SNAME-JSR-05210016
Published: 19 September 2023
... month 2022 prediction empirical formula engineering modeling & simulation computation procedure hull resistance accuracy asia government united kingdom government coefficient sweden government france government journal university europe government deviation resistance prediction...
Journal Articles
A Vulnerability Criterion of Dynamic Instability for Ship Course-Keeping in Following Waves
Available to Purchase
Journal:
Journal of Ship Research
J Ship Res 67 (03): 151–162.
Paper Number: SNAME-JSR-03220010
Published: 19 September 2023
... boundary by applying the method of harmonic balance. The calculation is performed with regard to the third-order yaw equation, derived from a classic sway-yaw-rudder model of ship maneuvering motions, with time-dependent coefficients at two places, which is like a Mathieu-type equation extended to third...
Journal Articles
Real-Time Identification of Parametric Roll
Available to Purchase
Journal:
Journal of Ship Research
J Ship Res 67 (03): 174–183.
Paper Number: SNAME-JSR-07220021
Published: 19 September 2023
... europe government real time system threshold equation month 2022 detection variation coefficient united states government ship container ship sery journal proceedings validation assessment c11-class container ship hysteresis coefficient cc1 transverse stability 1 7 2022 6...
Journal Articles
Full-Scale/Model-Scale Comparison of Podded Icebreaker’s Performance in Ice with Flexural Strength Measurement Study
Available to Purchase
Journal:
Journal of Ship Research
J Ship Res 67 (02): 93–108.
Paper Number: SNAME-JSR-09210031
Published: 12 June 2023
... thickness are shown in Table 4. Note that physical ice model tests used the Froude and Cauchy scaling law (Wang & Lau 2007). 4.2. Hull-ice friction coefficient The coef cient of friction between the surface of a ship model and the top surface of the model ice was measured for each ice sheet. To measure...
Journal Articles
Hydrodynamic Forces of DP Jack-Up Leg when Operating in Vicinity of Seabed
Available to Purchase
Journal:
Journal of Ship Research
J Ship Res 67 (01): 1–12.
Paper Number: SNAME-JSR-03200020
Published: 06 March 2023
... drag coefficients (Cd) to compute drag forces, however the hydrodynamic force variations during the complete lowering and raising processes are never completely considered. This weak link in the overall operation leads to positional error and is generally unrecognized by the vessel operators. The risk...
Journal Articles
Effect of Ventilation on Cavity Formation on Stepped Planing Hulls
Available to Purchase
Journal:
Journal of Ship Research
J Ship Res 67 (01): 32–47.
Paper Number: SNAME-JSR-05200032
Published: 06 March 2023
... single aft step hull ventilated fence installed resistance ship research reduction ventilation upstream oil & gas cavity length resistance-to-weight ratio vent tube open trim angle wetted area united states government wetted length coefficient photograph journal single step aft...
Journal Articles
Vertical Wedge Drop Experiments as a Model for Slamming
Available to Purchase
Journal:
Journal of Ship Research
J Ship Res 66 (04): 297–314.
Paper Number: SNAME-JSR-10200053
Published: 15 December 2022
... pressure coefficient passenger transportation wedge experiment experimental condition hydroelasticity factor wedge model keel pressure distribution drop height flexible model coefficient potentiometer calibration impact velocity discrepancy accelerometer timestep sensor research...
Journal Articles
Study on Dynamic Positioning Capacity Analysis Method Considering Wind Shielding Effect of Offshore Structure
Available to Purchase
Journal:
Journal of Ship Research
J Ship Res 66 (04): 315–325.
Paper Number: SNAME-JSR-12200062
Published: 15 December 2022
... correction artificial intelligence thruster dp capacity offshore structure wind force subsea system upstream oil & gas calculation time-domain simulation power consumption calculation method correction coefficient journal equation fdpso correction consumption result drilling equipment...
Journal Articles
Numerical Study on Multiple-Blade-Rate Unsteady Propeller Forces for Underwater Vehicles
Available to Purchase
Journal:
Journal of Ship Research
J Ship Res 66 (04): 349–368.
Paper Number: SNAME-JSR-08200048
Published: 15 December 2022
... proceedings contour horseshoe vortice inner iteration iteration propeller force ship research axial location velocity distribution journal coefficient Journal of Ship Research, Vol. 66, No. 4, December 2022, pp. 349 368 httpdx.doi.org/10.5957/JOSR.08200048 Numerical Study on Multiple-Blade-Rate...
Journal Articles
Design and Test of Marine Engine Safety Management Model Based on “Reverse Management”
Available to Purchase
Journal:
Journal of Ship Research
J Ship Res 66 (04): 369–382.
Paper Number: SNAME-JSR-03210005
Published: 15 December 2022
... vessel maintenance safety management engine management marine engineering management month 2022 operation safety inspection application reverse management personnel ship danger coefficient ship research inspection engine research team accident china university journal safety level...
Journal Articles
Froude Number Effects on Two-Dimensional Hydrofoils
Available to Purchase
Journal:
Journal of Ship Research
J Ship Res 13 (01): 53–60.
Paper Number: SNAME-JSR-1969-13-1-53
Published: 14 December 2022
... are important, even at submergence depths of several chord lengths. Copyright 1969, The Society of Naval Architects and Marine Engineers marine transportation configuration variation ship research artificial intelligence coefficient calculation camber equation hydrofoil operation two...
Journal Articles
Maneuvring Behavior of Push Convoys in Different Barge Configurations
Available to Purchase
Journal:
Journal of Ship Research
J Ship Res 66 (03): 231–249.
Paper Number: SNAME-JSR-1220005
Published: 30 September 2022
... is presented which is able to predict the maneuvring behavior of push convoys in different, rigidly connected configurations (number of barges, draft of the barges, and position of the pusher) and for different water depths. The coefficients of this maneuvring model have been determined based on captive model...
Journal Articles
Empirical Model of Uniflow Scavenging for Ultra-Long-Two-Stroke Marine Diesel Engines
Available to Purchase
Journal:
Journal of Ship Research
J Ship Res 66 (03): 250–263.
Paper Number: SNAME-JSR-11210038
Published: 30 September 2022
... momentum [kgÁm2/s] Fz,z ¼ flux of momentum [kgÁm/sec] l ¼ cylinder liner length [m] m ¼ mass BDC ¼ bottom dead center PIV ¼ particle image velocimetry CFD ¼ computational fluid dynamics Greek letters a ¼ port angle [deg] g ¼ scavenging nonuniformity coefficient gs ¼ scavenging efficiency k ¼ deliver ratio...
Journal Articles
Applicability of Current Statutory Rules for Stability Requirements of Bangladesh Inland Passenger Vessels
Available to Purchase
Journal:
Journal of Ship Research
J Ship Res 66 (03): 219–230.
Paper Number: SNAME-JSR-12210049
Published: 28 September 2022
Journal Articles
Hydrodynamic Characterization of Bodies of Revolution through Statistical-Empirical Prediction Modeling Using Machine Learning
Available to Purchase
Journal:
Journal of Ship Research
J Ship Res 66 (02): 182–191.
Paper Number: SNAME-JSR-06200035
Published: 14 June 2022
...Christopher S. Thurman; J. Ryan Somero Machine learning algorithms, namely artificial neural network modeling, were used to create Prediction models for force and moment coefficients of axisymmetric bodies of revolution. These prediction models had highly nonlinear functional relationships to both...
Journal Articles
Effects of Hull and Control Surface Roughness on Ship Maneuvering
Available to Purchase
Journal:
Journal of Ship Research
J Ship Res 66 (01): 15–24.
Paper Number: SNAME-JSR-11190066
Published: 28 March 2022
... based on construction, coatings, operation, and maintenance for a vessel life of 25 years. These are then applied to the turning maneuver for single screw cargo ships with block coefficients from .60 to .80. The implications for naval missions are discussed. Introduction The effects of hull roughness...
Journal Articles
Enhanced Unified Theory with Forward-Speed Effect Taken into Account in the Inner Free-Surface Condition
Available to Purchase
Journal:
Journal of Ship Research
J Ship Res 66 (01): 1–14.
Paper Number: SNAME-JSR-04200028
Published: 28 March 2022
... of Newman. Numerical computations are implemented for a slender modified Wigley model and the RIOS bulk carrier model. Good agreement is confirmed in a comparison with experimental data for the cross-coupling added mass and damping coefficients between heave and pitch and also for the resulting ship motions...
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