Calm water
Numerical Modeling of the Stepped Planing Hull in Calm Water
... This article describes a 3D CFD (computational fluid dynamics) simulation implementation of the stepped planing hull in calm water. The turbulent free surface flow around the stepped planing hull is ...
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URANS prediction of hydrodynamic interaction between LHD and supply vessel during replenishment in calm water
... shallow water using the URANS simulation with focus on small under-keel ...in calm water by an average of 33%, the method is considered dependable in modelling ship to ship interaction as it ...
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Experimental study of the wedge effects on the performance of a hard-chine planing craft in calm water
... Abstract. In this paper, eects of a wedge on the performance of planing craft in calm water are experimentally investigated. Experiments were carried out on three dierent cases distinguished by the wedge ...
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Calm water resistance and self propulsion simulations including cavitation for an LNG carrier in extreme trim conditions
... The aim of the present study was to analyse the impact of extreme trim on the operational calm water performance of an LNGC by running nominal resistance and self-propulsion CFD simulations over a range of ...
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Velocity Decomposition Method for Ship Advancing in Calm Water Simulation
... In this study, a viscous-inviscid method based on velocity decomposition is presented. The velocity of the flow field is decomposed into viscous velocity and inviscid velocity, the inviscid velocity is applied for the ...
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Practical evaluation of resistance of high speed catamaran hull forms Part I
... A systematic series of 18 hard-chine demi-hulls were gen- erated, and their wave resistance in calm water was deter- mined using SHIPFLOW. The recorded data were then statistically analysed to determine an ...
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Surge motion on a floating cylinder in water of finite depth
... We derived added mass and damping coefficients of a vertical floating circular cylinder due to surge motion in calm water of finite depth. This is done by de- riving the velocity potential for the cylinder by ...
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Operational algorithm for ice–water classification on dual-polarized RADARSAT-2 images
... and water for polynya detec- ...into calm water, wind- roughened water, and sea ice in low and high ...and water can be discriminated quite ...open water based on thresholding of ...
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Wetdeck slamming of high speed catamarans with a centre bow
... Forces acting on the hull section Acceleration due to gravity Vertical displacement of frame 59 Vertical distance from the calm water level to the keel of the centre bow at frame 59 Slam[r] ...
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Experimental study on the hydrodynamic behaviour of an FPSO in a deepwater region of the Gulf of Mexico
... Testing matrix The experimental test programme consists of the following main components: 202 203 Calm water decay tests in the 6 DOF of the freely floating FPSO model for Full and Bal[r] ...
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Sensitivity analysis of the tool for assessing safe manoeuvrability of ships in adverse sea conditions
... The calm water resistance and wind added resistance are calculated using ITTC regression methods (ITTC, 2014) while the wave added resistance is calculated using a regression analysis formula based on ...
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Experimental investigation on stability of intact and damaged combatant ship in beam sea
... In the present work experiments are undertaken on the stability of intact and damaged combatant vessel in beam waves with a double-bottom naval combatant vessel DTMB 5415 at Kelvin Hydrodynamics Laboratory. A 3-meter ...
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Estimation of added resistance and ship speed loss in a seaway
... in calm water and the added resistance due to wind and irregular waves taking into account the wave height, mean wave period and wind speed corresponding to the Beaufort scale, based on IMO and ITTC ...
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A Theory and Analysis of Planing Catamarans in Calm and Rough Water
... x problem solution) can be predicted by using the time dependent impact solution. However in the seakeeping case, the time variable τ and the distance variable x are now no longer dependent. In seakeeping, at each time ...
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Predicting the Effects of the Wind Load Direction to Naval Vessels Resistance
... Abstract: The influence of wind loads on the operation of naval vessels must be thoroughly considered in the design process. However, nowadays the evaluation studies on the influence of the wind loads on the naval ...
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Uncoupling the functions of CALM in VAMP sorting and clathrin-coated pit formation.
... The CALM-binding domain and the positions of the residues that were mutated are indicated for ...when CALM is depleted. The VAMP8 P3P4 mutant, which is not impaired in CALM binding, is endocytosed as ...
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Keep Calm and Carry On: Gender differences in Endurance
... a Women’s performances increase over sequences with small size effects b Oppositely, men’s performances decrease over sequences with strong size effects c Overall, the significant driver[r] ...
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Gaza’s fragile calm: The search for lasting stability
... In each of the three recent conflicts that have shaken the Gaza Strip, fighting between Palestinian factions and Israeli forces killed hundreds of Palestinian civilians, destroyed home[r] ...
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Applications of holistic ship theory for the simulation driven optimization of the design and operation of large bulk carriers
... For centuries the backbone of global trade and prosperity has been international shipping, with the vast majority of transportation of raw material as well as manufactured goods being transported by ships. While the 20th ...
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Evaluation of a non statutory ‘Place of Calm’, a service which provides support after a suicidal crisis to inform future commissioning intentions
... Microsoft Word Place of Calm Final Report docx 1 Centre for Social Work Research (CSWR), Cass School of Education and Communities University of East London Evaluation of a non statutory ‘Place of Calm[.] ...
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