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CFD verification and validation of green sea loads
Gatin, Inno,Vukč,ević,, Vuko,Jasak, Hrvoje,Seo, Jeonghwa,Rhee, Shin Hyung Elsevier 2018 Ocean engineering Vol.148 No.-
<P><B>Abstract</B></P> <P>An extensive verification and validation for green sea load simulations is presented. The calculations are performed using the Naval Hydro pack, a library based on foam–extend, which is an open source Computational Fluid Dynamics software. The geometric Volume of Fluid method is used for interface advection, while the Ghost Fluid Method is employed to discretise the free surface boundary conditions at the interface. Pressure measured at the deck of a fixed structure is compared to experimental data for nine regular waves. Verification is performed using four refinement levels in order to reliably assess numerical uncertainties. A detailed uncertainty analysis comprises both numerical and experimental data. Comparable uncertainties are exhibited in simulations and experiments, with good agreement of results.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Verification and validation of the CFD code for green sea loads. </LI> <LI> Detailed verification using least squares fit method for unsteady flows. </LI> <LI> Results validated against experimental measurements. </LI> <LI> Paper shows the state of a modern CFD code for green sea assessment. </LI> </UL> </P>
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Some Aspects of Reactive Complex Plasmas
Berndt, J.,Kovač,ević,, E.,Stefanović,, I.,Stepanović,, O.,Hong, S. H.,Boufendi, L.,Winter, J. WILEY-VCH Verlag 2009 CONTRIBUTIONS TO PLASMA PHYSICS Vol.49 No.3
<P>Reactive plasmas are nowadays widely used for technological applications. The spontaneous formation and growth of dust is a phenomenon frequently observed in such plasmas. The formation of dust particles has been observed in a great variety of different discharge types and in different kind of gases or gas mixtures. Due to the large variety of different phenomena that can be observed in reactive complex plasmas this article will address some selected (general) problems and examples that are specific for the physics and chemistry of such systems. These examples concern the formation and growth of dust particles in reactive plasmas, the mechanisms responsible for that growth processes, the spatial distribution of the dust particles within the discharge, the response of the plasma to the formation and growth of dust particles and some technological aspects (© 2009 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)</P>
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