Turbulence behind 3D multi-scale sparse grids

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To access the full text documents, please follow this link: http://hdl.handle.net/2117/125926

dc.contributor	Universitat Politècnica de Catalunya. Departament d'Enginyeria Civil i Ambiental
dc.contributor	Universitat Politècnica de Catalunya. Departament de Física
dc.contributor	Universitat Politècnica de Catalunya. FLUMEN - Dinàmica Fluvial i Enginyeria Hidrològica
dc.contributor.author	Usama, Syed
dc.contributor.author	Tellez Alvarez, Jackson David
dc.contributor.author	Kopec, Jasek
dc.contributor.author	Kwiatkowski, Kamil
dc.contributor.author	Redondo Apraiz, José Manuel
dc.contributor.author	Malik, Nadeem
dc.date	2018
dc.identifier.citation	Usama, S., Tellez, J-D, Kopec, J., Kwiatkowski, K., Redondo, J. M., Malik, N. Turbulence behind 3D multi-scale sparse grids. A: Polish Fluid Mechanics Conference. "Journal of Physics: Conference Series, volume 1101, conference 1". Londres: Institute of Physics (IOP), 2018, p. 1-7.
dc.identifier.citation	1742-6596
dc.identifier.citation	https://www.researchgate.net/publication/328471618_Turbulence_Behind_3D_Multi-Scale_Sparse_Grids
dc.identifier.citation	10.1088/1742-6596/1101/1/012048
dc.identifier.uri	http://hdl.handle.net/2117/125926
dc.language.iso	eng
dc.publisher	Institute of Physics (IOP)
dc.relation	http://iopscience.iop.org/article/10.1088/1742-6596/1101/1/012048
dc.rights	Attribution 3.0 Spain
dc.rights	info:eu-repo/semantics/openAccess
dc.rights	http://creativecommons.org/licenses/by/3.0/es/
dc.subject	Àrees temàtiques de la UPC::Física::Física de fluids
dc.subject	Àrees temàtiques de la UPC::Matemàtiques i estadística::Anàlisi numèrica::Mètodes en elements finits
dc.subject	Turbulence--Mathematical models
dc.subject	Fluid mechanics
dc.subject	Fractals
dc.subject	Blockage ratio
dc.subject	Fractal grids
dc.subject	Grid-generated turbulence
dc.subject	Multi-scale
dc.subject	Multi-scale grids
dc.subject	Parameter spaces
dc.subject	Sparse grid
dc.subject	Turbulence characteristics
dc.subject	Turbulence
dc.subject	Turbulència -- Models matemàtics
dc.title	Turbulence behind 3D multi-scale sparse grids
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/conferenceObject
dc.description.abstract	A fundamentally new idea in grid generated turbulence is the 3D Sparse Grid (3DS) concept [N. A. Malik. Sparse 3D Multi-Scale Grid Turbulence Generator. US Patent No. US 9,599,269 B2 (2017)] which reduces the effective blockage ratio compared to the 2D flat fractal grids, s 3DS Lt s 2DF , and possess a much greater parameter space which could allow further optimization of the turbulence as compared to the 2D fractal (2DF) grids. Here, we report on some theoretical results regarding blockage ratio reduction in a 3-frame 3DS system, and some results from Direct Numerical Simulations comparing the turbulence characteristics generated by 3DS with Regular (RG) and 2DF grids cases.
dc.description.abstract	Peer Reviewed

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