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Paper

Modeling of high-Re, incompressible, non-equilibrium, rough-wall boundary layers for naval applications under NATO-AVT349

AIAA SCITECH 2022 Forum, San Diego, CA, USA and Virtual

Jan 3, 2022

This paper discusses the modeling activity of the NATO-STO Research Task Group AVT-349. The aim of this group is to improve the understanding and ...
manoeuvring and nautical studiesresistance and propulsioncfd developmentcfd/simulation/desk studiescfd
Paper

CFD Simulations and Experiments of a Submarine in Turn, Zigzag, and Surfacing Maneuvers

Journal of Ship Research

Dec 23, 2021

We present simulations and experiments of the generic submarine Joubert BB2 performing standard turn, zigzag, and surfacing maneuvers in calm water ...
manoeuvring and nautical studiescfd developmentcfd/simulation/desk studiescfdmanoeuvring
Paper

Verification and validation of CFD simulations for semi-submersible floating offshore wind turbine under pitch free-decay motion

Ocean Engineering

Dec 15, 2021

In this paper a detailed verification and validation study is performed to evaluate the accuracy of CFD simulations for a semi-submersible floating ...
cfd developmentcfdcfd/simulation/desk studiesfloating wind turbineoffshore
Paper

Assessment of Discretization Uncertainty Estimators Based on Grid Refinement Studies

Journal of Verification, Validation and Uncertainty Quantification

Dec 1, 2021

This paper presents the assessment of the performance of nine discretization uncertainty estimates based on grid refinement studies including ...
cfd developmentcfd/simulation/desk studiescfdverification and validation
Paper

OC6 Phase 1b - Validation of the CFD predictions of difference-frequency wave excitation on a FOWT semisubmersible

Ocean Engineering

Dec 1, 2021

During the previous OC5 project, state-of-the-art mid-fidelity engineering tools for floating wind systems were found to consistently underpredict ...
offshore windcfdcfd/simulation/desk studiescfd developmentverification and validation
Paper

Adaptive evolution of flight in Morpho butterflies

Science

Nov 25, 2021

The diversity of flying animals suggests that countless combinations of flight morphologies and behaviors have evolved with specific lifestyles, ...
cfd developmentcfd/simulation/desk studiescfd
Paper

Scale-Resolving Simulations of a Circular Cylinder Subjected to Low Mach Number Turbulent Inflow

Journal of Marine Science and Engineering

Nov 16, 2021

Inflow turbulence is relevant for many engineering applications relating to noise generation, including aircraft wings, landing gears, and ...
resistance and propulsioncfd developmentcfdnoise and vibrationcfd/simulation/desk studies
Paper

Estimating parameter and discretization uncertainties using a laminar–turbulent transition model

Computers and Fluids

Nov 15, 2021

For computational fluid dynamic (CFD) simulations at intermediate Reynolds numbers, laminar-to-turbulent transition plays an important role in the ...
cfddata sciencecfd/simulation/desk studies
Paper

Operational experience of using the international standard for bollard pull trials

Tugtechnology 2021, London, UK

Oct 25, 2021

In 2019 the International Standard for Bollard Pull Trials was launched. Over the past 2 years a great number of bollard pull trials have been ...
bollard pullfull scalejipmeasurements and controlspeed/power performancetrials and monitoring
Paper

Credibility of wave breaking computations by Volume of Fluid RANS codes

23rd Numerical Towing Tank Symposium (NuTTS 2021), Mülheim an der Ruhr, Germany

Oct 11, 2021

Wave breaking is a frequent phenomenon in steady ship wave patterns. In ship wave computations using Volume of Fluid RANS codes common today, wave ...
cfdwaves, impacts and hydrostructuralwaves
Paper

The resistance of a plate moving through mud - experiments and simulations

23rd Numerical Towing Tank Symposium (NuTTS 2021), Mülheim an der Ruhr, Germany

Oct 11, 2021

Safe navigation in restricted areas is ensured, among others, by setting a minimum under keel clearance (UKC), which is the distance between the ...
resistance and propulsioncfd developmentcfd/simulation/desk studiescfdpowering
Paper

Anderson Acceleration for Maritime Applications

23rd Numerical Towing Tank Symposium (NuTTS 2021), Mülheim an der Ruhr, Germany

Oct 11, 2021

In general, most of the computational effort required to do numerical simulations for maritime applications is spent to solve systems of non-linear ...
cfd developmentcfd/simulation/desk studiescfd
Paper

On the relation between measurable (AHR) and modelled (sand-grain) roughness heights in RANS-based full-scale ship resistance predictions

23rd Numerical Towing Tank Symposium (NuTTS 2021), Mülheim an der Ruhr, Germany

Oct 11, 2021

The surface roughness of ship hulls is usually expressed in terms of an average height of the roughness (AHR), determined from measurements at a ...
resistance and propulsioncfd developmentcfd/simulation/desk studiescfdpowering
Paper

URANS analysis of a free-running destroyer sailing in irregular stern-quartering waves at sea state 7

Ocean Engineering

Oct 1, 2021

Computational fluid dynamics (CFD) simulations and stochastic validation of free-running 5415M in irregular stern-quartering sea state 7 and Froude ...
stability, seakeeping and ocean engineeringcfdtime-domain simulationsseakeepingcfd/simulation/desk studies
Magazine

New Research Vessels for NIOZ

MARIN Report 132

Sep 30, 2021

At the request of the Royal Netherlands Institute for Sea Research (NIOZ), MARIN started studies for two new research vessels in May 2018, to ...
life at sea