Homogenization based two-scale modelling of fluid-saturated porous media with self-contact and flow in micropores

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F49777513%3A23520%2F22%3A43964114" target="_blank" >RIV/49777513:23520/22:43964114 - isvavai.cz</a>

Výsledek na webu

<a href="https://www.scipedia.com/public/Rohan_Heczko_2022a" target="_blank" >https://www.scipedia.com/public/Rohan_Heczko_2022a</a>

DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Homogenization based two-scale modelling of fluid-saturated porous media with self-contact and flow in micropores

Popis výsledku v původním jazyce

The contribution is devoted to the homogenization and the two-scale numerical modelling of fluid-saturated porous media subject to static loads which, at the pore level, induce unilateral self-contact. The initial microstructure is periodic, being generated by a representative cell consisting of elastic skeleton and a rigid inclusion which is anchored in the skeleton on a part of its pore surface. The unilateral frictionless contact interaction is considered between the inclusion and the elastic skeleton on matching surfaces. Depending on the deformation due to applied macroscopic loads, the self-contact interaction alters the one between the solid and fluid phases. Both the disconnected and connected porosities are treated. The two-scale limit model is presented in detail for structures of the first type which do not allow for the fluid mass redistribution. Numerical examples of 2D deforming structures are presented.

Název v anglickém jazyce

Homogenization based two-scale modelling of fluid-saturated porous media with self-contact and flow in micropores

Popis výsledku anglicky

The contribution is devoted to the homogenization and the two-scale numerical modelling of fluid-saturated porous media subject to static loads which, at the pore level, induce unilateral self-contact. The initial microstructure is periodic, being generated by a representative cell consisting of elastic skeleton and a rigid inclusion which is anchored in the skeleton on a part of its pore surface. The unilateral frictionless contact interaction is considered between the inclusion and the elastic skeleton on matching surfaces. Depending on the deformation due to applied macroscopic loads, the self-contact interaction alters the one between the solid and fluid phases. Both the disconnected and connected porosities are treated. The two-scale limit model is presented in detail for structures of the first type which do not allow for the fluid mass redistribution. Numerical examples of 2D deforming structures are presented.

Druh

O - Ostatní výsledky

CEP obor

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OECD FORD obor

20302 - Applied mechanics

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2022

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů