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Description
| - The performance of a recently proposed reconstruction method, based on simulated annealing, was evaluated by calculating the effective ordinary and Knudsen diffusivities. The validation procedure involved a set of three porous solids with total porosity varying from 0.178 to 0.322. Each digitised pore structure was thoroughly characterised by counting clusters of the void and solid voxels and by using the local porosity theory. The characterisation showed that the new method was capable of reproducing each phase in the form of a large percolating cluster and a few small non-percolating clusters, even for low-porosity media. This feature of the new method strongly contrasted with the common method of stochastic reconstruction based on simulated annealing, which resulted in replicas with poor pore space connectivity. For estimating effective ordinary and Knudsen diffusivity tensors, methods based upon simulating the Brownian motion of a diffusing particle were chosen. A direct comparison of the predicted and experimental effective diffusivities also showed the advantages of the new method of stochastic reconstruction.
- The performance of a recently proposed reconstruction method, based on simulated annealing, was evaluated by calculating the effective ordinary and Knudsen diffusivities. The validation procedure involved a set of three porous solids with total porosity varying from 0.178 to 0.322. Each digitised pore structure was thoroughly characterised by counting clusters of the void and solid voxels and by using the local porosity theory. The characterisation showed that the new method was capable of reproducing each phase in the form of a large percolating cluster and a few small non-percolating clusters, even for low-porosity media. This feature of the new method strongly contrasted with the common method of stochastic reconstruction based on simulated annealing, which resulted in replicas with poor pore space connectivity. For estimating effective ordinary and Knudsen diffusivity tensors, methods based upon simulating the Brownian motion of a diffusing particle were chosen. A direct comparison of the predicted and experimental effective diffusivities also showed the advantages of the new method of stochastic reconstruction. (en)
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Title
| - STOCHASTIC RECONSTRUCTION OF POROUS MEDIA AND EVALUATION OF THEIR EFFECTIVE TRANSPORT PROPERTIES
- STOCHASTIC RECONSTRUCTION OF POROUS MEDIA AND EVALUATION OF THEIR EFFECTIVE TRANSPORT PROPERTIES (en)
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skos:prefLabel
| - STOCHASTIC RECONSTRUCTION OF POROUS MEDIA AND EVALUATION OF THEIR EFFECTIVE TRANSPORT PROPERTIES
- STOCHASTIC RECONSTRUCTION OF POROUS MEDIA AND EVALUATION OF THEIR EFFECTIVE TRANSPORT PROPERTIES (en)
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skos:notation
| - RIV/60461373:22310/12:43894847!RIV13-MSM-22310___
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http://linked.open...avai/predkladatel
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/60461373:22310/12:43894847
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - phase function, microstrcutural descriptor, local porosity theory, cluster statistics, ordinary diffusion, Knudsen diffusion (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...ontrolniKodProRIV
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http://linked.open...v/mistoKonaniAkce
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http://linked.open...i/riv/mistoVydani
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http://linked.open...i/riv/nazevZdroje
| - ECCOMAS 2012 - European Congress on Computational Methods in Applied Sciences and Engineering, e-Book Full Papers
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...UplatneniVysledku
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http://linked.open...iv/tvurceVysledku
| - Veselý, Martin
- Brabec, Libor
- Čapek, Pavel
- Hetmánek, Vladimír
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http://linked.open...vavai/riv/typAkce
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http://linked.open.../riv/zahajeniAkce
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number of pages
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http://purl.org/ne...btex#hasPublisher
| - Vienna University of Technolgy
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https://schema.org/isbn
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http://localhost/t...ganizacniJednotka
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is http://linked.open...avai/riv/vysledek
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