Dr. habil. Nicolae Suciu
Dr. Nicolae Suciu
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Publikationen
2022
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Global random walk solvers for reactive transport and biodegradation processes in heterogeneous porous media
In: Advances in Water Resources 166 (2022)
ISSN: 0309-1708
DOI: 10.1016/j.advwatres.2022.104268
BibTeX: Download
2021
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Global Random Walk Solutions for Flow and Transport in Porous Media
European Conference on Numerical Mathematics and Advanced Applications, ENUMATH 2019 (Egmond aan Zee, NLD, 30-09-2019 - 04-10-2019)
In: Fred J. Vermolen, Cornelis Vuik (Hrsg.): Lecture Notes in Computational Science and Engineering 2021
DOI: 10.1007/978-3-030-55874-1_93
BibTeX: Download - , , , :
Global random walk solvers for fully coupled flow and transport in saturated/unsaturated porous media
In: Advances in Water Resources 152 (2021), Art.Nr.: 103935
ISSN: 0309-1708
DOI: 10.1016/j.advwatres.2021.103935
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2020
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Numerical benchmark study for flow in highly heterogeneous aquifers
In: Advances in Water Resources (2020), S. 103558
ISSN: 0309-1708
DOI: 10.1016/j.advwatres.2020.103558
BibTeX: Download
2019
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Diffusion in Random Fields - Applications to Transport in Groundwater
Basel: Birkhäuser, 2019
(Geosystems Mathematics, Bd.XVI)
ISBN: 978-3-030-15081-5
DOI: 10.1007/978-3-030-15081-5
BibTeX: Download
2016
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A time dependent mixing model to close PDF equations for transport in heterogeneous aquifers
In: Advances in Water Resources 96 (2016), S. 55-67
ISSN: 0309-1708
DOI: 10.1016/j.advwatres.2016.06.012
URL: https://www1.am.uni-erlangen.de/research/publications/Jahr_2016/2016_SchuelerSuciuKnAttinger_ATimeDependMixModelToClosePDFequatForTranspInHeterogAquifers
BibTeX: Download - , , , :
Towards a filtered density function approach for reactive transport in groundwater
In: Advances in Water Resources 90 (2016), S. 83-98
ISSN: 0309-1708
DOI: 10.1016/j.advwatres.2016.02.016
URL: https://www1.am.uni-erlangen.de/research/publications/Jahr_2016/2016_SuciuSchuelerAttingerKn_TowardsFilterDensityFunctApproaForReactTranspInGroundwater
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2015
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Solute transport in aquifers with evolving scale heterogeneity
In: Analele Stiintifice ale Universitatii Ovidius Constanta, Seria Matematica 23 (2015), S. 167-186
ISSN: 1844-0835
DOI: 10.1515/auom-2015-0054
URL: https://www1.am.uni-erlangen.de/research/publications/Jahr_2015/2015_SuciuAttingerRaduVamocsVanderborghtVereeckenKn_SoluteTransportinAquifersWithEvolvingScaleHetereo
BibTeX: Download - , , , , :
A Fokker-Planck approach for probability distributions of species concentrations transported in heterogeneous media
In: Journal of Computational and Applied Mathematics 289 (2015), S. 241-252
ISSN: 0377-0427
DOI: 10.1016/j.cam.2015.01.030
URL: https://www1.am.uni-erlangen.de/research/publications/Jahr_2015/2015_SuciuRaduAttingerSchuelerKn_AFokkerPlanckApproachForProbabDistrOfSpecConcTransInHetrogeneousMedia
BibTeX: Download - , , , , , :
Consistency issues in pdf methods
In: Analele Stiintifice ale Universitatii Ovidius Constanta, Seria Matematica 23 (2015), S. 187-208
ISSN: 1844-0835
DOI: 10.1515/auom-2015-0055
URL: https://www1.am.uni-erlangen.de/research/publications/Jahr_2015/2015_SuciuSchuelerRaduAttingerVamosKn_ConsistencyIssuesInPDFMethods
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2014
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Diffusion in random velocity fields with applications to contaminant transport in groundwater
In: Advances in Water Resources 69 (2014), S. 114-133
ISSN: 0309-1708
DOI: 10.1016/j.advwatres.2014.04.002
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2013
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A coupled finite element-global random walk approach to advection-dominated transport in porous media with random hydraulic conductivity
In: Journal of Computational and Applied Mathematics 246 (2013), S. 27-37
ISSN: 0377-0427
DOI: 10.1016/j.cam.2012.06.027
URL: https://www1.am.uni-erlangen.de/research/publications/Jahr_2013/2013_SuciuRaduPrechtelBrunnerKn_ACoupledFiniteElementGlobalRandomWalkApproach
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2011
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Solute transport in aquifers with evolving scale heterogeneity
In: The Preprint-Series of the Institute of Applied Mathematics 346 (2011), S. 1-18
ISSN: 1435-5833
URL: https://www1.am.uni-erlangen.de/research/publications/Jahr_2011/2011_SuciuAttingerRaduVamosVanderborghtVereeckenKn_SolTranspInAquifWthEvolvScaleHeterogen
BibTeX: Download - , , , :
Global Random Walk simulations for sensitivity and uncertainty analysis of passive transport models
In: Mathematics and its Applications : Annals of the Academy of Romanian Scientists 3 (2011), S. 218-234
ISSN: 2066-5997
URL: https://www1.am.uni-erlangen.de/research/publications/Jahr_2011/2011_SuciuVamosVereeckenKn_GlobalRandomWalkSimuForSensAndUncertAnalysisOfPassiveTransModels
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2009
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Comment on "Spatial moments analysis of kinetically sorbing solutes in aquifer with bimodal permeability distribution" by M. Massabó, A. Bellin, and A. J. Valocchi
In: Water Resources Research 45 (2009), Art.Nr.: W05601
ISSN: 0043-1397
DOI: 10.1029/2008WR007498
URL: https://www1.am.uni-erlangen.de/research/publications/Jahr_2009/2009_SuciuKn_CommentOnSpitalMomentsAnalysisByMassaboBerlinValocchi
BibTeX: Download - , , , , :
Persistent memory of diffusing particles
In: Physical Review E 80 (2009), Art.Nr.: 061134
ISSN: 1539-3755
DOI: 10.1103/PhysRevE.80.061134
URL: https://www1.am.uni-erlangen.de/research/publications/Jahr_2009/2009_SuciuVamosRaduVereeckenKn_PersistMemoryOfDiffParticles
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2008
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Ito equation model for dispersion of solutes in heterogeneous media
In: Revue d'Analyse Numérique et de Théorie de l'Approximation 37 (2008), S. 221-238
ISSN: 1222-9024
URL: https://www1.am.uni-erlangen.de/research/publications/Jahr_2008/2008_SuciuVamosVereeckenSabelfeldKn_ItoEquationModelForDisOfSolutesInHeteroMedia
BibTeX: Download - , , , , :
Memory effects induced by dependence on initial conditions and ergodicity of transport in heterogeneous media
In: Water Resources Research 44 (2008), Art.Nr.: W08501
ISSN: 0043-1397
DOI: 10.1029/2007WR006740
URL: https://www1.am.uni-erlangen.de/research/publications/Jahr_2008/2008_SuciuVamosVereeckenSabelfeldKn_MemoryEffectsInducedByDependOnIntialCondAndErgodicity
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2005
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Biased Global Random Walk, a Cellular Automaton for Diffusion
Simulationstechnique. 18th Symposium in Erlangen. September 2005 (Erlangen)
In: Simulationstechnique. 18th Symposium in Erlangen. September 2005, Erlangen: 2005
URL: https://www1.am.uni-erlangen.de/research/publications/Jahr_2005/2005_SuciuVamosKnRuede_BiasGlobRandWalkCellAutomForDiffus
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Projekte
Integriertes und an Raum-Zeit-Messungsskalen angepasstes Global Random Walk - Modell für reaktiven Transport im Grundwasser
(Drittmittelfinanzierte Einzelförderung)Laufzeit: 01-10-2018 - 30-09-2021
Mittelgeber: DFG-Einzelförderung / Sachbeihilfe (EIN-SBH)Entwicklung neuer photokatalytischer Filtersysteme zur Luftreinigung von Nanopartikeln, organischen Zusätzen und Bakterien mit Hilfe numerischer Simulationen
(Drittmittelfinanzierte Einzelförderung)Laufzeit: 01-10-2009 - 30-09-2011
Mittelgeber: Bundesministerium für Bildung und Forschung (BMBF)The project was a cooperation of a group of applied mathematicians with the Russian company Aeroservice for the development and optimization of new photocatalytic filter systems for air cleaning of nanoparticles and organic substances with the help of mathematical simulation tools. For the simulation of aerosol transport in the filter made of polypropylene fibers, which is used in hospitals or airports, e.g., mathematical models and efficient solution algorithms had to be developed. These allow on the one hand to take stochastic components into account, as the heterogeneous conductivity distribution in the filter. On the other hand these methods were coupled with highly accurate computation schemes as mixed finite element methods, which guarantee local mass conservation for the transport processes. The design parameters of real experiments can be optimized with the help of such simulation tools and their sensitivity with respect to filter efficiency analysed. Among the used methods are particle filtration in porous media, based on the Darcy equation, and coupled Eulerian and Lagrangeian simulation of transport processes, including Monte Carlo approaches with given filter geometries.