Articles with "hydrodynamic coefficients" as a keyword



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Erratum to: General equilibrium second-order hydrodynamic coefficients for free quantum fields

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Published in 2018 at "Journal of High Energy Physics"

DOI: 10.1007/jhep07(2018)119

Abstract: In section 3, the partition function is included in the definition of the statistical operator. read more here.

Keywords: second order; hydrodynamic coefficients; erratum general; order hydrodynamic ... See more keywords
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Experimental investigation of directional hydrodynamic coefficients and the effects on wave force due to spreading angles

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Published in 2020 at "Ain Shams Engineering Journal"

DOI: 10.1016/j.asej.2020.01.012

Abstract: Abstract Assessment of wave forces in the design of marine structures considering real ocean properties were reported better represented by short-crested wave statistics. Henceforth, this paper aims to investigate the effect of directional spreading angles… read more here.

Keywords: directional hydrodynamic; wave force; hydrodynamic coefficients; spreading angles ... See more keywords

Hydrodynamic coefficients of yawed cylinders in open-channel flow

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Published in 2019 at "Flow Measurement and Instrumentation"

DOI: 10.1016/j.flowmeasinst.2019.01.006

Abstract: Abstract The hydrodynamic response of a cylinder in an open-channel flow is experimentally investigated by considering the effects of horizontal orientation and submergence, the latter ranging from fully submerged to half-submerged cases. Drag and side… read more here.

Keywords: channel flow; coefficients yawed; submergence; open channel ... See more keywords

Heave and sway hydrodynamic coefficients of ship hull sections in deep and shallow water using Navier-Stokes equations

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Published in 2018 at "Ocean Engineering"

DOI: 10.1016/j.oceaneng.2018.02.025

Abstract: Abstract A methodology is presented to numerically determine the hydrodynamic coefficients of ship hull sections using a time domain Navier-Stokes model. Results are presented for three topologically distinct sections of a ship hull (skeg, midship… read more here.

Keywords: coefficients ship; heave sway; hull sections; hydrodynamic coefficients ... See more keywords
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Estimation of Hydrodynamic Coefficients from Results of Real Ship Sea Trials

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Published in 2018 at "Polish Maritime Research"

DOI: 10.2478/pomr-2018-0133

Abstract: Abstract This paper suggests an estimation method for ship’s hydrodynamic coefficients, which is based on the system identification method that calculates an optimum value in a mathematical way. For the purpose of modelling existing ships,… read more here.

Keywords: real ship; ship sea; hydrodynamic coefficients; estimation hydrodynamic ... See more keywords

A New Six-DoF Parallel Mechanism for Captive Model Test

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Published in 2020 at "Polish Maritime Research"

DOI: 10.2478/pomr-2020-0041

Abstract: Abstract In order to obtain the hydrodynamic coefficients that can save cost and meet the accuracy requirements, a new hydrodynamic test platform based on a 6DoF (six degrees of freedom) parallel mechanism is proposed in… read more here.

Keywords: hydrodynamic coefficients; parallel mechanism; model; platform ... See more keywords

Estimation of Hydrodynamic Coefficients for the Underwater Robot P-SUROII via Constraint Recursive Least Squares Method

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Published in 2025 at "Journal of Marine Science and Engineering"

DOI: 10.3390/jmse13091610

Abstract: This study proposes a system identification (SI) technique based on the constrained recursive least squares (CRLS) method to model the dynamics of the P-SUROII. By simplifying the dynamic model in consideration of the inherent characteristics… read more here.

Keywords: least squares; recursive least; estimation hydrodynamic; estimation ... See more keywords

Study on Hydrodynamic Coefficients of a Submarine Piggyback Pipeline under the Action of Waves and Current

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Published in 2021 at "Journal of Marine Science and Engineering"

DOI: 10.3390/jmse9101118

Abstract: In this study, physical model tests are used to investigate the effects of a varying number of wave and current parameters, the gap ratios between the pipeline and seabed, the spacing ratios between the two… read more here.

Keywords: action waves; pipeline; submarine piggyback; hydrodynamic coefficients ... See more keywords

Numerical Study on the Hydrodynamic Coefficients and Flow Field Characteristics of Underwater Manipulator

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Published in 2024 at "Journal of Applied Fluid Mechanics"

DOI: 10.47176/jafm.17.9.2564

Abstract: The hydrodynamic coefficient of an underwater manipulator varies with changes in posture and flow field, presenting significant challenges for precise control and localization. This study, conducted numerical simulations to investigate the patterns of variation in… read more here.

Keywords: flow field; manipulator; coefficient; underwater manipulator ... See more keywords