VII International Conference on Computational Methods in Marine Engineering (MARINE 2017) Nantes, France, 15-17 May, 2017
Proceedings of the VII International Conference on Computational Methods in Marine Engineering
Held in Nantes, France, 15-17 May, 2017
A publication of:
International Center for Numerical Methods in Engineering (CIMNE) Barcelona, Spain
Michel Visonneau, Patrick Queutey and David Le Touzé (Eds.)
© The authors
Summary
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High fidelity numerical simulations of ship and sub-marine hydrodynamics
(2017)
Conference report
Open AccessThis paper discusses the use of wall-modeled LES and hybrid RANS-LES models for the prediction of ship and submarine flows. Results from applied cases are discussed to il-lustrate the use of these methods for practical ... -
Are random coefficients needed in particle swarm optimization for simulation-based ship design?
(2017)
Conference report
Open AccessSimulation-based design optimization (SBDO) methods integrate computer simu- lations, design modification tools, and optimization algorithms. In hydrodynamic applications, often objective functions are computationally ... -
Hull-form optimization of a 66,000 dwt bulk carrier in irregular wave condition
(2017)
Conference report
Open AccessThis paper deploys optimization techniques to obtain the optimum hull form of a 66,000 DWT bulk carrier in calm water and in irregular head waves at sea state 6. Parametric modification functions for the bow hull-form ... -
Hull-form optimization of a luxury yacht under deterministic and stochastic operating conditions via global derivative-free algorithms
(2017)
Conference report
Open AccessSimulation-based design optimization (SBDO) techniques are used in the shape design of complex engineering systems. SBDO methods integrate an optimization algorithm, a tool for the design ... -
Mission-based hull-form and propeller optimization of a transom stern destroyer for best performance in the sea environment
(2017)
Conference report
Open AccessAn overview is presented of the activities conducted within the NATO STO Task Group AVT-204 to “Assess the Ability to Optimize Hull Forms of Sea Vehicles for the Best Per- formance in a Sea Environment.” The objective ... -
Multi-objective hull-form optimization of a swath configuration via design-space dimensionality reduction, multi-fidelity metamodels, and swarm intelligence
(2017)
Conference report
Open AccessA multi-objective simulation-based design optimization (SBDO) is presented for the resistance reduction and displacement increase of a small water-plane area twin hull (SWATH). The geometry is realized as a parametric ... -
Optimized DBD plasma actuator system for the suppression of flow separation over a NACA0012 profile
(2017)
Conference report
Open AccessWe address the problem of controlling the unsteady flow separation over an aerofoil, using plasma actuators. Despite the complexity of the dynamics of interest, we show how the problem of controlling ... -
Towards the high-fidelity multidisciplinary design optimization of a 3d composite material hydrofoil
(2017)
Conference report
Open AccessThe development of a multidisciplinary design optimization (MDO) architecture for high-fidelity fluid-structure interaction (FSI) problems is presented with preliminary application to a NACA 0009 3D hydrofoil in metal and ... -
Wave resistance minimisation in practical ship design
(2017)
Conference report
Open AccessA practical and efficient system is described for ship hull form optimisation and its application for minimising wave resistance. Parametric hull form deformations are defined in a CAD system, specific for the case considered ... -
Improved modelling of sheet cavitation dynamics on delft twist11 hydrofoil
(2017)
Conference report
Open AccessIn this paper, unsteady viscous-flow cavitation predictions for a 3D hydrofoil are performed using three different approaches: 1) a pure RANS method; 2) a RANS method including an eddy-viscosity “Reboud” correction; 3) ... -
Numerical study of cavitation on a NACA0015 hydrofoil: solution verification
(2017)
Conference report
Open AccessAbstract. The present paper analyses a series of Computational Fluid Dynamic simulations of the cavitating flow around a two-dimensional NACA0015 foil. The foil is placed at 6◦ angle of attack and the cavitation ... -
Effects of blade geometry on cavitation and pressure fluctuations of tunnel thrusters
(2017)
Conference report
Open AccessCompared with open propellers, tunnel thruster blades are more vulnerable to cavitation and local structure vibration problems because they are typically heavily loaded and subject to severe non-uniformity of inflow produced ... -
Flow study on a ducted azimuth thruster
(2017)
Conference report
Open AccessThis paper presents the results of the numerical validation and verification studies on an azimuth thruster. The numerical investigations include a grid study as well as an analysis of the simulation results obtained by ... -
Numerical assessment of propeller-hull interaction and propeller hub effects for a twin screw vessel
(2017)
Conference report
Open AccessA numerical study that addresses twin screw propulsion was conducted and results using the RANS solvers ‘FreSCo+’ and ‘Fluent’ were shared. In order to avoid potential problems on property rights we combined the DTMB (David ... -
Marine cycloidal propulsion modelling for DP applications
(2017)
Conference report
Open AccessThis paper presents the numerical modelling of a cycloidal propeller in free-running conditions together with its possible applications. The model calibration is carried out by comparing simulation results with experimental ... -
Adjoint-based optimization methods for flow problems
(2017)
Conference report
Open AccessOver the last decade, adjoint sensitivity analysis has become an established technique for the task of shape optimisation when many degrees of freedom are present. The success stems from the fact that the adjoint ... -
Wec parameters optimization by genetic algorithm method
(2017)
Conference report
Open AccessThis study presents a method for parameters optimization for a floating wave energy converter (WEC) device. The considered floating WEC, a multi-body articulated system, consists of two cylinders connected with a flat ... -
Multi-objective surrogate based hull-form optimization using high-fidelity rans computations
(2017)
Conference lecture
Open AccessRANS-based optimization procedures for ship design become increasingly complex and require the development of more efficient optimization techniques. The four phases of the design procedure are: shape ... -
Propeller nozzles design using viscous codes and optimization algorithms
(2017)
Conference report
Open AccessMarine propellers design requirements are always more pressing and the application of unusual propulsive configurations, like ducted propellers with decelerating nozzles, may represent a valuable alternative to fulfil ... -
A new volume-of-fluid method in openfoam
(2017)
Conference report
Open AccessTo realise the full potential of Computational Fluid Dynamics (CFD) within ma- rine science and engineering, there is a need for continuous maturing as well as verification and validation of the numerical ... -
The DVH model: ous flows around five different bodies at RE=10,000
(2017)
Conference report
Open AccessThe Diffused Vortex Hydrodynamic (DVH) is a meshless 2D Lagrangian incompressible Particle Vortex Method. In this study the DVH will be applied to simulate viscous flows around five different ... -
Centrifuge rolling test for ore liquefaction analysis
(2017)
Conference report
Open AccessTo study the development of liquefaction in ore cargo, a new Rolling Test has been designed to support similar stresses than those observed in a vessel. It can be used in an 80×g macrogravity field in the 5.5m radius Ifsttar ... -
A new adjustment-free damping method for free-surface waves in numerical simulations
(2017)
Conference report
Open AccessSimulating free-surface flow around ships in sea waves using RANSE-Methods usually requires damping of the waves in front of the outlet to avoid reflections. It has been shown, that common damping methods ... -
Computational techniques used for velocity prediction of wing-sailed hydrofoiling catamarans
(2017)
Conference report
Open AccessVelocity Prediction Programs (VPP) are among the most commonly usedtools in racing yacht design.Whether looking at a parameter-based variant with few degrees of freedom or a full 6 DOF experimental/CFD data postprocessor, ... -
Simulation-driven design of sailing yachts and motor boats
(2017)
Conference report
Open AccessThe design of yachts and boats can significantly benefit from simulation-driven design (SDD) using codes of Computational Fluid Dynamics (CFD). In SDD a large number of virtual prototypes is in- vestigated numerically ... -
On the numerical convergence properties of the calculation of the flow around the KVLCC2 tanker in unstructured grids
(2017)
Conference report
Open AccessThis paper addresses the estimation of numerical errors in the calculation of the flow around the KVLCC2 tanker at model scale Reynolds number in unstructured grids. The flow solution is based on the Reynolds-Averaged ... -
RANS-based full-scale power predictions for a general cargo vessel, and comparison with sea-trial results
(2017)
Conference report
Open AccessBlind self-propulsion predictions for the 2016 LR Workshop on Ship Scale Hydrodynamic Computer Simulation have been carried out to simulate the full scale performance of a self-propelled ship in ballast. The single screw ... -
Ship resistance prediction: verification and validation exercise on unstructured grids
(2017)
Conference report
Open AccessThe prediction of the resistance of a ship is, together with the propeller performance prediction, part of the key aspects during the design process of a ship, as it partly ensures the quality of the power-prediction. ... -
A generalised unsteady hybrid DES/BEM methodology applied to propeller-rudder flow simulation
(2017)
Conference report
Open AccessA generalised hybrid viscous/inviscid flow model for the hydrodynamic analysis of marine propellers is presented. A Boundary Element Method (BEM) to predict propeller perturbation under inviscid-flow ... -
Extension of the turbulent spot method towards arbitrary reynolds stresses and integral lengths
(2017)
Conference report
Open AccessThe paper presents an extension of the Turbulent Spot method which enables to obey the continuity of the fluctuations while producing arbitrarily high anisotropy at the same time. The derivation of the structures is ... -
Grid generation for wall-modelled les of ship hydrodynamics in model scale
(2017)
Conference report
Open AccessAn unstructured grid generation approach for wall-modelled LES is proposed. The applicability of the approach is demonstrated for the simulation of the flow around an axisym- metric body, at Re-number 5.48 · 106, ... -
On the prediction of shear-layer flows with rans and SRS models
(2017)
Conference report
Open AccessThis study evaluates the ability of Reynolds-Averaged Navier-Stokes (RANS) and Scale-Resolving Simulations (SRS) models to predict turbulent shear-layer predominant (blunt- body) flows. The selected cases are ... -
Study of unsteady hydrodynamic effects in the stern area of river cruisers in shallow water
(2017)
Conference report
Open AccessAbstract. The main objective of the present paper is the assessment of the influence of shallow water conditions on the hydrodynamic exciters of ship hull vibration using hybrid RANS/LES methods. The following ... -
An IMU and USBL-aided buoy for underwater localization
(2017)
Conference report
Open AccessAutonomous underwater navigation remains, as of today, a challenging task. The marine environment limits the number of sensors available for precise localization, hence Au- tonomous Underwater Vehicles (AUVs) usually ... -
Fire performances of a marine bulkhead: numerical evaluation of thermomechanical behavior
(2017)
Conference report
Open AccessThe fire performances of marine products are assessed with large scale fire resistance tests following dedicated Standards. However, regarding the conditions of such normative tests, orientation ... -
Geometric model for automated multi-objective optimization of foils
(2017)
Conference report
Open AccessThis paper describes a new generic parametric modeller integrated into an auto- mated optimization loop for shape optimization. The modeller enables the generation of shapes by selecting a set of design parameters ... -
Long-term probability distribution of fixed offshore structuralresponse using animproved version of finite memory nonlinear system procedure
(2017)
Conference report
Open AccessOffshore structures are exposed to random wave loading in the ocean environment and hence the probability distribution of the extreme values of their response to wave loading is required for their safe and economical ... -
Multicom onent design of rotor-stator-nozzle (RSN) propulsor on azipods
(2017)
Conference report
Open AccessThe paper offers design computation method of RSN propulsor fitted with post- swirl stator on AZIPODs. The method implemented as problem solution of non-linear optimization of objective functional ... -
Operation of thrusters in arctic waters arctic thruster ecosystem
(2017)
Conference report
Open AccessDue to collisions between ice and propeller the drive train of ice breakers in artic conditions is a highly stressed system. Aim of the ArTEco ‘Arctic Thruster Ecosystem’ project is to increase the reliability of vessels ... -
Parametric search and optimisation of fast displacement hull forms using rans simulations of full-scale flow
(2017)
Conference report
Open AccessAbstract. A methodology to derive parametric hull design candidates with a specified displacement and initial stability is introduced. A gradient-free search and optimisation algorithm coupled to ... -
Propulsion performance optimization of “neighbour duct” by CFD
(2017)
Conference report
Open AccessAs one of measures against CO2 reduction regulation by EEDI, energy-saving device (ESD) has been widely used. As one of ESD, the authors developed "Neighbour Duct" which was a vertical-long-oval stern duct. Neighbour ... -
Rational design of fast boat hull
(2017)
Conference report
Open AccessWe present a new method for the rational design of the hull structure of planing boats, which considers hydro-elasticity, structural dynamics and nonlinearity of geometry and material. The method combines rules calculations ... -
Sinkage, trim, drag of a common freely floating monohull ship
(2017)
Conference report
Open AccessA practical method — well suited for early ship design and hull form optimization — for estimating the sinkage, the trim and the drag of a freely-floating common monohull ship at moderate Froude numbers F ≤ 0.45 is ... -
Steps towards a self calibrating, low reflection numerical wave maker using narx neural networks
(2017)
Conference report
Open AccessNumerical wave-makers are important for accurate simulations of marine two-phase flows. One important aspect of the suitability is the ability to recreate a given surface elevation time trace ... -
Systematic analysis of mesh and meshless CFD methods for water impact problems
(2017)
Conference report
Open AccessTwo types of numerical simulations for the hydrodynamic solution of water entry problems are performed and systematically compared in order to highlight their peculiarities: a viscous Unsteady Reynolds Averaged ... -
The effect of wave in-deck in conventional pushover analysis
(2017)
Conference report
Open AccessSubsidence is not a local settlement and one of the phenomena that may be experiencing by the offshore platform throughout the platform life. Compaction of the reservoir can cause it due to pressure reduction ... -
Trim optimisation in waves
(2017)
Conference report
Open AccessThe trim optimisation is nowadays a common practice for all ship owners. Reduction o fuel consumption and improvement of ship energy efficiency concern all sectors of the maritime industry. The trim ... -
Accelerated free-surface flow simulations with interactively moving bodies
(2017)
Conference report
Open AccessOne of the challenges of simulating free-surface flow around moored or floating objects is the modelling, including the algorithmic coupling, of objects whose dy- namics is determined by a two-way interaction ... -
An innovative tool to study and optimize racing yacht appendages using fluid-structure interactions
(2017)
Conference report
Open AccessSEA Design developed a fluid structure method (FSI) suitable for early design stage of appendage with complex shapes dedicated to the America’s Cup flying catamarans. The aerodynamic loading and the boat weight ... -
Application of a 6DOF algorithm for the investigation of impulse waves generated due to sub-aerial landslides
(2017)
Conference report
Open AccessInland water bodies such as lakes, rivers and streams are generally considered safe from extreme wave events. Such inland water bodies are susceptible to extreme wave events due to impact of aerial landslides, where ... -
Development of a fluid structure coupling for composite tidal turbines and marine propellers
(2017)
Conference report
Open AccessThe recent strong development of composite blades for propellers and tidal turbines has been driven both by the reduction of mass compared to metallic materials and by the impact of the deformations of blades on the ... -
Modelling of hydrodynamic loads on aquaculture net cages by a modified morison model
(2017)
Conference report
Open AccessA modified Morison model is presented for calculation of hydrodynamic forces on aquaculture net cages. The model is based on a simple method for conversion of ”screen model force coefficients” to ... -
Monolithic coupling of rigid body motion and the pressure field in foam-extend
(2017)
Conference report
Open AccessIn this paper a monolithic algorithm for coupling rigid body motion equations and pressure field within a Finite Volume framework is presented. Monolithic coupling enables fewer number of pressure–velocity loops per ... -
Numerical investigation of strong added mass effect for fluid-structure calculations applied to moving hydrofoils
(2017)
Conference report
Open AccessThis paper presents a corrected partitioned scheme for investigating fluid-structure interaction (FSI) that may be encountered by lifting devices immersed in heavy fluid such as liquids. The purpose of this model ... -
Numerical prediction for many floating debris transported in city model due to tsunami-induced flows
(2017)
Conference report
Open AccessA three-dimensional computational method based on multiphase modelling is employed to predict the behaviors of floating tsunami debris in coastal residential areas. The present computational ... -
Simulation of breaking focused waves over a slope with a cfd based numerical wave tank
(2017)
Conference report
Open AccessExtreme wave conditions are always identified with large-amplitude breaking waves in shallow waters. Focused waves can often be used to describe extreme waves which evolve during the nonlinear wave-wave ... -
Simulation of fish escape and swimming toward a predefined goal
(2017)
Conference report
Open AccessWe present an immersed boundary method for numerical simulation of a swimming fish. The vorticity transport equation is solved on a Cartesian grid using compact finite dif- ferences. A Lagrangian structured ... -
A 3D rans-vof wave tank for oscillating water column device studies
(2017)
Conference report
Open AccessThis paper presents the validation of a wave maker with active absorption method implemented in FLUENT® RANS-VOF code for modelling long time series of waves propagating and interacting with coastal structures, ... -
An experimental study of the hydrodynamic behavior of a TLP platform for a 5MW wind turbine with OWC devices
(2017)
Conference report
Open AccessAn experimental study of the hydrodynamic behavior of a Tension-Leg Platform (TLP) for a 5MW Wind Turbine, featuring Wave Energy Converter (WEC) devices of the Oscillating Water Column type is presented. ... -
Assessment of the parametric roll behaviour of a point absorber wave energy conversion device in irregular waves
(2017)
Conference report
Open AccessThe response of the Wavebob wave energy conversion device has investigated numerically in long crested irregular waves generated using the JONSWAP wave spectrum. Only long crested waves are ... -
Hybridization of finite element-boundary element me hods using an absorbing boundary condition for vibro-acoustic underwater noise simulations
(2017)
Conference report
Open AccessSound propagation from industrial activities in underwater or estimation of the target strength o waterside security systems are considered immensely important by many scientists for both regulators of development ... -
Hydrodynamic analysis of a semi-submersible floating wind turbine. numerical validation of a second order coupled analysis
(2017)
Conference report
Open AccessThis work presents a comprehensive computational hydrodynamic analysis of a semisubmersible offshore wind turbine. The studied case is based on a three floater wind turbine designed for a 1.5 MW turbine. The ... -
Numerical simulation of an array of heaving floating point absorber wave energy converters using openfoam
(2017)
Conference report
Open AccessIn this paper we use the CFD toolbox OpenFOAM to perform numerical simulations of multiple floating point absorber Wave Energy Converters (WECs) in a numerical wave basin. The ... -
The effects of turbulence intensity on the downstream performance of horizontal axis tidal stream turbines
(2017)
Conference report
Open AccessThis study focuses on a comparison of model results from a blade element momen- tum computational fluid dynamics (BEM-CFD) steady state RANS model, and a BEMT model that accounts for the wake generated from upstream ... -
A numerical study on the shedding frequency of sheet cavitation
(2017)
Conference report
Open AccessThe last decades there is a strong interest in predicting cavitation dynamics as it is a prerequisite in order to predict cavitation erosion. Industrial applications require accurate results in an acceptable ... -
A volume-preserving inflow boundary based numerical tank applied to wave-structure interaction in near-shallow water
(2017)
Conference report
Open AccessInflow-boundary based Navier-Stokes (NSE) wave tanks are prone to volume ad- dition, especially whilst generating steep (H/λ > 0.03) waves in near-shallow water (kh < 1). In the present work, ... -
An investigation on the effects of time integration schemes on weakly compressible SPH method
(2017)
Conference report
Open AccessTemporal discretization is a key aspect of the weakly compressible Smoothed Particle H drodynamics (SPH) method, as existing studies prove that the time integration schemes affect the stability of ... -
Comparative analysis of tip vortex flow using RANS and LES
(2017)
Conference report
Open AccessThe current study focuses on the numerical analysis of tip vortex flows, with the emphasis n the investigation of turbulence modelling effects on tip vortex prediction. The analysis includes comparison of RANS and LES ... -
Discrete element method simulation of a split hopper dredger discharging process
(2017)
Conference report
Open AccessSplit Trailing Suction Hopper Dredgers (Split TSHD) have longitudinally-split hull, which symmetrically opens when executing gravity-driven unloading of the cargo, while being ex- posed to various environmental ... -
Experimental investigation of the aerodynamic flow in the aircraft carrier ski-jump by means of PIV
(2017)
Conference report
Open AccessComputational Fluid Dynamics (CFD) methods have opened a new field to perform aerodynamic studies saving money and time. The difficulties presented by this method to calculate complex flow field ... -
Large scale CFD modeling of wave propagation into Mehamn harbor
(2017)
Conference report
Open AccessOcean wave propagations into harbours are large scale phenomena with complex wave transformations. Computational fluid dynamics (CFD) has the advantage of capturing most physics with few assumptions. It ... -
Numerical study of wave transformation using the free surface reconstruction method
(2017)
Conference report
Open AccessThe study of irregular wave field is complex due to its random hydrodynamic char- acteristics. Many experimental studies have been performed in the past to study irregular waves. However, numerical investigations are ... -
On the design of block preconditioners for maritime engineering
(2017)
Conference report
Open AccessThe iterative error can be an important part of the total numerical error of any Com- putational Fluid Dynamics simulation when the iterative convergence stagnates or when loose convergence criteria are used. In the ... -
On the use of euler and crank-nicolson time-stepping schemes for seakeeping simulations in openfoam
(2017)
Conference report
Open AccessThe open-source CFD software package OpenFOAM has reached a maturity level such that it is possible to perform seakeeping simulations using the included VOF-based free- surface URANS (Unsteady-Reynolds-Averaged ... -
Simulation of floating bodies using a combined immersed boundary with the level set method in REEF3D
(2017)
Conference report
Open AccessThe 6DOF algorithm implemented in the open-source computational fluid dynamics (CFD) model REEF3D is used to simulate a horizontal cylinder in heave motion around the free surface and the motion of a freely floating ... -
Study on the rudder characteristics of ultimate rudder by numerical calculation
(2017)
Conference report
Open AccessThe authors invented Ultimate Rudder3) as the rudder with bulb. The authors calculated the rudder characteristics of the normal rudder and Ultimate Rudder by CFD at several steering angles and ... -
A global approximation to the green function for diffraction-radiation of regular water waves in deep water
(2017)
Conference report
Open AccessThe Green function of the theory of diffraction radiation of time-harmonic (regular) waves by an offshore structure, or a ship at low speed, in deep water is considered. The Green function G and its gradient ∇G are ... -
Modelling of rotating vertical axis turbines using a multiphase finite element method
(2017)
Conference report
Open AccessWe combine the unified continuum fluid-structure interaction method with a mul- tiphase flow model to simulate turbulent flow and fluid-structure interaction of rotating ver- tical axis turbines in ... -
A numerical study of added resistance, speed loss and added power of a surface ship in regular head waves using coupled urans and rigid-body motion equations
(2017)
Conference report
Open AccessCoupled solutions of two-phase Unsteady Reynolds-Averaged Navier-Stokes equations (URANS) and six degrees-of-freedom (6-DOF) rigid-body motion (RBM) equations are pursued to compute ship’s speed loss and added power for a ... -
Development of numerical method to simulate flows around a ship in regular waves including the effect of ship propulsion plant model
(2017)
Conference report
Open AccessA numerical method to simulate flows with propeller effects including the responce of a ship propulsion plant has been developed. The dynamics of a ship propulsion plant is modeled by the function of the diesel engine ... -
Estimation of added wave resistance with CFD code
(2017)
Conference report
Open AccessThis paper is part of the Bassin Numérique project managed by IRT Jules Verne (French Institute in Research and Technology in Advanced Manufacturing Technologies for Composite, Metallic and Hybrid Structures). The authors ... -
Influence of the draft to ship dynamics in the virtual tank based on openFOAM
(2017)
Conference report
Open AccessA virtual tank is built based on OpenFOAM. The mesh is created using the ’blockMesh’ and the ’snappyHexMesh’ utilities successively. The ’interDyMfoam’ solver is used to solve the flow fields. The results ... -
Investigation of the confinement effect on hydrodynamic atives of a 135m inland containership
(2017)
Conference report
Open AccessThe estimation of hydrodynamic interaction forces occurring when a ship is navi- gating in co sential role in inland maneuverability modeling. The ... -
Numerical assessment of interference resistance for a series 60 catamaran
(2017)
Conference report
Open AccessAn important consideration in the catamaran design is the distance between the hulls. Arrangement of the hulls in catamaran configuration can have strong influence on the wave making resistance and thus on ... -
Numerical simulation of large commercial ship navigation on Paraná river, Argentina
(2017)
Conference report
Open AccessIn recent years, the large commercial ships (Post-Panamax) started sailing the Argentinean waterway of the Paraná River. So that, the research project of the FICH-UNL called "Analysis of ... -
Numerical studies on air resistace reduction methods for a large container ship with fully loaded deck-containers in oblique winds
(2017)
Conference report
Open AccessIn this study, the aerodynamic characteristics of the complex air flows acting on a large cont iner ship model are numerically investigated by using a commercial CFD code. The main target is to reduce the ... -
Ship scale self propulsion cfd simulation results compared to sea trial measurements
(2017)
Conference report
Open AccessCFD simulation results for self propelled full scale ship are compared to sea trial measurements in this work. Two–phase RANS based CFD numerical model used in this work is based on the Ghost Fluid Method for numerically ... -
System-based maneuvering simulation of a ship navigating in the confined waterway
(2017)
Conference report
Open AccessThe system-based maneuvering simulations were conducted to investigate the ship navigating in the confined waterway. The confinement effect was included using the model of Vantorre [1]. The maneuvering model was ... -
Towards CFD guidelines for planing hull simulations based on the naples systematic series
(2017)
Conference report
Open AccessDue to their higher motion amplitudes and instabilities, numerical simulations of planing hulls using Computational Fluid Dynamics (CFD) codes are more difficult than that of displacement ships. Indeed, for an accurate ... -
A scalable and prismatic pressure vessel for transport and storage of natural gas
(2017)
Conference report
Open AccessThis paper deals with a new, innovative concept for storage and transportation of gas, notably natural gas under cryogenic, liquefied, and pressurized conditions. This new prismatic pressure vessel design ... -
Application of 2d-wave spectra time series for pipelaying vessel stinger structural assessment
(2017)
Conference report
Open AccessIn the recent years offshore oil and gas field development activities are moving towards deeper and more remote regions for which high performing installation spread is requested. In those conditions, ... -
Static analysis of a composite wind turbine blade using finite element model
(2017)
Conference report
Open AccessThis study is presented here that the stress characteristics of an existing 5-meter composite wind turbine blade for 30 kW wind turbine designed for METUWIND is known by using finite element method. Modal ...
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