MagazineZero-Emission Research & Development in the spotlight
MARIN Report 136
26 jun. 2023
To reach zero-emission shipping a combination of measures are needed including energy efficiency measures such as hydrodynamic and operational ...
zero emissionhydrodynamics
PaperShape Optimization of a Naval Destroyer by Multi-Fidelity Methods
10th International Conference on Computational Methods in Marine Engineering (MARINE 2023), Madrid, Spain
26 jun. 2023
The paper presents and discusses the shape optimization of a destroyer-type vessel by means of several multi-fidelity approaches. The hull-form ...
resistance and propulsioncfdcfd/simulation/desk studiespowering
PaperComparison of RANS Turbulence Models for the Simulation of Smooth Wall Boundary-Layers in Pressure Gradients at Moderate and High Reynolds Numbers
10th International Conference on Computational Methods in Marine Engineering (MARINE 2023), Madrid, Spain
26 jun. 2023
In this work, our focus is to assess the effect of the Reynolds number on the performance of six different RANS turbulence models in the simulation ...
cfd developmentcfdcfd/simulation/desk studies
PaperCombining deep reinforcement learning and computational fluid dynamics for efficient navigation in turbulent flows
10th International Conference on Computational Methods in Marine Engineering (MARINE 2023), Madrid, Spain
26 jun. 2023
Autonomous underwater vehicles (AUVs) face significant challenges when navigating in turbulent environments, particularly when carrying out tasks ...
data sciencecfdmanoeuvringautonomy and decision support
PaperInfluence of Ullage Pressure on Wave Impacts Induced by Solitary Waves in a Flume Tank
33rd International Ocean and Polar Engineering Conference (ISOPE), Ottawa, Canada
19 jun. 2023
We study experimentally the wave impacts generated by solitary waves and a bathymetry profile as a function of the ullage pressure within the range ...
wave measurementswaves, impacts and hydrostructuralmeasurements and controlpropeller and cavitationmodel testing
PaperCFD Simulations of Two Wind Turbines Operating in Line
33rd International Ocean and Polar Engineering Conference (ISOPE), Ottawa, Canada
19 jun. 2023
Generally, the wake behind a wind turbine is characterized as a reduction in wind velocity and an increase in turbulence level compared to the free ...
wind farmsfloating wind turbineoffshore windcfdcfd/simulation/desk studies
PaperVerification Study for CFD Simulations of NTNU Blind Test 1 Wind Turbine
32nd International Ocean and Polar Engineering Conference (ISOPE), Shanghai, China
12 jun. 2023
Computational Fluid Dynamics (CFD) simulations with fully resolved turbine geometries are increasingly popular for wind turbine aerodynamic ...
offshore windfloating wind turbinecfdcfd/simulation/desk studies
PaperInnovative crash barrier concepts to prevent ship collisions with wind turbines
42nd International Conference on Ocean, Offshore and Arctic Engineering (OMAE2023), Melbourne, Australia
11 jun. 2023
The rapid development of offshore wind farms coincides with a growing amount of ship movements. This combination puts pressure on maritime safety, ...
stability, seakeeping and ocean engineeringinfrastructureblue growthearly innovations and solutions
PaperScale effects and variability in wave-in-deck type of impact loading more insights into the results of the Breakin JIP
42nd International Conference on Ocean, Offshore and Arctic Engineering (OMAE), Melbourne, Australia
11 jun. 2023
To quantify the loading due to breaking waves, model tests are currently the option of choice. However, it is suspected that scale effects lead to ...
waves, impacts and hydrostructuraloffshore windinfrastructureoil and gasrenewablesmodel testing
PaperPrediction of short-term non-linear response using screening combined with multi-fidelity gaussian process regression
42nd International Conference on Ocean, Offshore and Arctic Engineering (OMAE), Melbourne, Australia
11 jun. 2023
Predicting wave impact design loads is crucial for ensuring safety and performance of maritime structures, but it is challenging due to the ...
wave measurementsextreme conditionsloads and responsesassessmentevents
PaperA systematic approach for developing a numerical wavetank to simulate driven shallow-and deep-water waves
42nd International Conference on Ocean, Offshore and Arctic Engineering (OMAE2023), Melbourne, Australia
11 jun. 2023
Numerical models of wavetanks for nonlinear waves driven by waveflap/piston wavemakers are developed. Variational principles (VPs) for the ...
waves, impacts and hydrostructural
PaperWind turbine load monitoring during model-test in a wave basin
42nd International Conference on Ocean, Offshore and Arctic Engineering (OMAE2023), Melbourne, Australia
11 jun. 2023
For the testing of floating wind turbines in a wave basin, several methods have been developed to include the wind turbine loads acting on the ...
PaperExperimental modeling of water-wave interactions with a flexible beam
42nd International Conference on Ocean, Offshore and Arctic Engineering (OMAE), Melbourne, Australia
11 jun. 2023
A series of fluid-structure-interaction (FSI) experiments is presented for studying water-wave interactions with a flexible beam in a wide range of ...
offshore windoffshorefloating wind turbine
PaperValidation of a time domain panel code for prediction of impulsive wave loads on naval ships
42nd International Conference on Ocean, Offshore and Arctic Engineering (OMAE2023), Melbourne, Australia
11 jun. 2023
The focus of the present paper is on the prediction of wave loads experienced by a patrol boat and frigate at high speed. The basic principles of a ...
waves, impacts and hydrostructuraltime-domain simulationshydrostructuralseakeepingdefencecfd/simulation/desk studies
PaperQuantifying uncertainties in numerical predictions of dynamic cavitation
5th ECCOMAS Thematic Conference on Uncertainty Quantification in Computational Sciences and Engineering, Athens, Greece
10 jun. 2023
Cavitation on marine propellers is an important issue due to its negative effects on many aspects of their operation. Therefore, accurate prediction ...
cfdpropeller and cavitation