...-SJTU. Dynamic overset grid method is used to deal with the large ship motion in waves, while the improved body force model is utilized to calculate the propeller performance. Predicted results, i.e., ship motions, thrust and torque in waves, are compared with discretized propeller results...

... of the numerical grids with the least square method once the free surface is updated in time domain. The results of fully nonlinear numerical program are verified by convergence analysis and comparison with that of frequency domain, based on which, the hydrodynamic response of the semi-submersible under different...

... formation resistance resistance differential pressure resistance equation pressure coefficient china government coefficient total resistance grid asia government auv hull parallel formation calculation result reduction effect diameter Proceedings of the Thirty-third (2023) International...

... converter still operates at low voltage (LV) at the generator side while the outputs are connected in series to match the medium voltage (MV) grid. The paper discusses the control schemes for the power converter and presents the operational results using MATLAB/SIMULINK software. INTRODUCTION Reducing...

...)], performances of an Horizontal Axis Tidal Turbine (HATT) are extensively analised. A general purpose finite volume solver based on the solution of the unsteady Navier-Stokes equations for multi-block structured grids is considered [Dubbioso et al. (2019), Gregori et al. (2020)]. The turbine has been simulated...

... the differences in stern vortex strength and mean wake fraction at model scale and full scale. However, few studies have analyzed the differences in wake between different turbulence models. japan government grid jbc cfd analysis experiment marine transportation turbulence model geko-like model...

... method evolution flume grid evolution process comput wave propagation free surface liquid phase Proceedings of the Thirty-third (2023) International Ocean and Polar Engineering Conference Ottawa, Canada, June 19-23, 2023 Copyright © 2023 by the International Society of Offshore and Polar...

... (AMR) is utilized to give high-fidelity simulations of the plunging jet and air entrainment associated with the breaking bow wave of the KRISO Container ship (KCS) model at Fr=0.35. To provide the high spatial resolution needed for the solution features, the bow region grid of interest is dynamically...

... froude number mesh convergence calculation procedure social responsibility sustainable development grid mathematical model drift angle richardson tot lateral force prediction computation resistance modeling Proceedings of the Thirty-third (2023) International Ocean and Polar...

... ABSTRACT The slamming loads of the KCS model were studied in different wave directions. Angles between wave and ship heading are 0 deg, 30 deg and 60 deg when Fr = 0.26. Numerical simulations were studied by inhouse CFD solver naoe-FOAM-SJTU, where dynamic overset grid technology was used...

... engineering grid reservoir simulation asia government wave height flooding pitch motion computational domain frequency free surface equation coordinate system head wave simulation result dtmb 5415 stability Proceedings of the Thirty-third (2023) International Ocean and Polar Engineering...

... ship wave-making resistance grid control point china government invisible bulbous ship optimization university asia government resistance design speed optimized ship reduction artificial intelligence bulbous bow wave-making resistance coefficient kc model shanghai jiao tong university...

... europe government vortice mechanism grid reservoir simulation loading condition di mascio marine propeller muscari fluid mech variation coefficient Proceedings of the Thirty-third (2023) International Ocean and Polar Engineering Conference Ottawa, Canada, June 19-23, 2023 Copyright © 2023...

... seawall equation fse modeling & simulation engineering accuracy upstream oil & gas sensor grid resolution recurve wave impact wg 5 grigoriadis parapet interaction reservoir simulation experiment timeframe navier-stoke equation interface wave period ABSTRACT...

... the complex transient flow around a rotating propeller, the discretized propeller method requires a great number of grids and a small-time step. When the details of flow field are not the focus, the body force method can be applied as an effective alternative method to simulate self-propulsion. In this method...

... resistance university asymmetric catamaran grid hull fine grid artificial intelligence maneuverability prediction negative rudder angle china rudder angle boundary simulation flow field convergence hull surface positive rudder angle Proceedings of the Thirty-second (2022) International...

... ABSTRACT The trimaran has received increasing attention for its excellent resistance and maneuverability. Based on the in-house ship hydrodynamics CFD solver naoe-FOAM-SJTU, the seakeeping performance of trimaran in regular waves when Fr=0.18 is simulated. Firstly, grid convergence...

... of nonlinear waves. By exploring and analyzing the factors affecting the accuracy of numerical wave simulation such as grid division and time step, the appropriate numerical simulation method is obtained under the premise of ensuring the computational efficiency. This method can provide guidance for related...

... body theory method to predict entire divergent pattern. elevation wave probe computational domain breakwater bow wave equation potential flow theory water elevation fluid dynamics ship bow wave wavemaker boundary condition preliminary study upstream oil & gas simulation grid...

... ABSTRACT Trimaran may suffer from large motion and strong bottom slamming when sailing under severe sea conditions, resulting in seriously local structural damage. In this paper, the free fall water-entry process of a trimaran cross section was simulated based on a Cartesian grid CFD code (CNT...