Exploració per tema "Enginyeria naval"
Ara es mostren els items 21-40 de 311
-
A scalable and prismatic pressure vessel for transport and storage of natural gas
(CIMNE, 2017)
Text en actes de congrés
Accés obertThis 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 ... -
A senitivity analysis of CFD transition modelling in the context of vortex roll-up prediction
(CIMNE, 2019)
Text en actes de congrés
Accés obertAbstract. 415 foil and the elliptical Arndt win ... -
A synergetic design study of a passenger-hydrofoil flapped surface: experimental and computational fluid dynamics, optimization, and control
(CIMNE, 2019)
Text en actes de congrés
Accés obertA hydrodynamic design procedure is presented, combining multi-objective sampling, metamodeling, and optimization. A design study of a flapped surface for a passenger hydrofoil is discussed. Hydrodynamics, stability ... -
A time-domain second-order FEM model for the wave diffraction radiation problem. Validation with a semisubmersible platform
(2018-03)
Article
Accés obert -
A volume-preserving inflow boundary based numerical tank applied to wave-structure interaction in near-shallow water
(CIMNE, 2017)
Text en actes de congrés
Accés obertInflow-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, ... -
Accelerated free-surface flow simulations with interactively moving bodies
(CIMNE, 2017)
Text en actes de congrés
Accés obertOne 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 ... -
Adaptació d'una embarcació d'esbarjo existent a un sistema de propulsió totalment elèctric.
(Universitat Politècnica de Catalunya, 2017-07)
Treball Final de Grau
Accés restringit per decisió de l'autor -
Adaptive mesh refinement in marin’s viscous flow solver refresco: implementation and application to steady flow
(CIMNE, 2011)
Text en actes de congrés
Accés obertCurrently MARIN’s viscous flow solver ReFRESCO is being improved by adding an adaptive meshing strategy. The method considers the mesh as an unstructured collection of elements and works with a database that defines ... -
Adjoint aftship re-design for wake optimisation under the influence
(CIMNE, 2011)
Text en actes de congrés
Accés obertThe paper outlines means for an efficient RANS-based hull-design optimisation process. The adjoint-based wake design method previously applied to an unpropelled ship [5] was now extended to optimise a ship hull in ... -
Advances in the development of a FEM model for evaluation of a Surface-Effect Ship (SES) including skirt dynamics
(2013-12)
Article
Accés restringit per política de l'editorial -
Advances in the development of a time-domain uns ructured finite element method for the analysis of waves and floating structures interaction
(CIMNE, 2011)
Text en actes de congrés
Accés obertBeing capable of predicting wave-structure interaction in the time domain is of great interest for the offshore industry. However most computer programs used in the industry work in the frequency domain. Therefore, the ... -
Advances in the development of an unstructured FEM solver for fluid-structure interaction problems in marine engineering
(Centro Internacional de Métodos Numéricos en Ingeniería (CIMNE), 2009)
Text en actes de congrés
Accés obertThis work presents different advances in the development of a formulation for fluid-structure interaction analysis in marine applications using the FIC stabilized finite element method (FEM). The free surface evolution is ... -
Alineación de dos líneas de propulsión de un velero de 50 metros de eslora.
(Universitat Politècnica de Catalunya, 2019-07)
Treball Final de Grau
Accés obert -
An absorbing boundary condition for regular and irregular wave simulations
(CIMNE, 2011)
Text en actes de congrés
Accés obertIn this paper the use of an absorbing boundary condition (ABC) is investigated for the numerical simulation of regular and irregular waves in three dimensional computational domains where Navier-Stokes equations describe ... -
An adaptive N -fidelity metamodel for design and operational-uncertainty space exploration of complex industrial problems
(CIMNE, 2019)
Text en actes de congrés
Accés obertAn adaptive N -fidelity (NF) metamodel is presented for the solution of simulation- based design optimization and uncertainty quantification problems. A multi-fidelity approximation is built by an additive correction ... -
An assessment of multifidelity procedures for ship hull form optimisation
(CIMNE, 2019)
Text en actes de congrés
Accés obertProgress in the assessment of multifidelity techniques for ship hull form optimisation at MARIN is described. Surrogate-based optimisation is used, with response surfaces found from a combination of free-surface potential-flow ... -
An experimental study of the hydrodynamic behavior of a TLP platform for a 5MW wind turbine with OWC devices
(CIMNE, 2017)
Text en actes de congrés
Accés obertAn 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. ... -
An IMU and USBL-aided buoy for underwater localization
(CIMNE, 2017)
Text en actes de congrés
Accés obertAutonomous 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 ... -
An innovative tool to study and optimize racing yacht appendages using fluid-structure interactions
(CIMNE, 2017)
Text en actes de congrés
Accés obertSEA 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 ... -
An investigation on the effects of time integration schemes on weakly compressible SPH method
(CIMNE, 2017)
Text en actes de congrés
Accés obertTemporal 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 ...