Publications related to On the effect of a penetrating recirculation region on the bifurcations of the flow past a permeable sphere

Comment on 'An analytic solution of capillary rise restrained by gravity' by N. Fries and M. Dreyer

The porous medium model of Green and Ampt, describing flow in porous media, appeared earlier than the capillary model of Washburn, although both lead to the mathematically identical models. The model of Green and Ampt is related to the Washburn model by an ...

2009

Geological heterogeneity in landslides

Boris Matti

Significant progress has been made these last decades in the development of hydrogeological numerical flow modelling for describing the hydrodynamic behaviour of landslides. However, these new sophisticated methods are still very seldom used in the problem ...

EPFL2008

Liquid–liquid two-phaseflow patterns andmasstransfer characteristics inrectangular glassmicroreactors

Albert Renken, Lioubov Kiwi, Anne-Laure Dessimoz

The flow of two immiscible fluids was investigated in rectangular glass microchannels with equivalent diameters of 269 and 400

\mu m

. Deionised water, dyed toluene and hexane were selected as probe fluids. Flow patterns were obtained for Y- and T-junction ...

2008

Reduced basis method for the shape optimization of racing car components

Claudia Günther

In this work we apply reduced basis methods to parametrized airfoils configurations to study inviscid potential, thermal and viscous flows. Parametrization includes geometry, ground effect and airfoils interaction. ...

2008

Simulation of shear-driven flows

Roland Bouffanais

The research work reported in the present dissertation is aimed at the analysis of complex physical phenomena involving instabilities and nonlinearities occurring in fluids through state-of-the-art numerical modeling. Solutions of intricate fluid physics p ...

EPFL2007

Hydraulic contacts controlling water flow across porous grains

Dani Or, Marco Stampanoni

Water flow between porous grains varies widely depending on the water distribution in contacts between grains. The hydraulic behavior of contacts varies from highly conductive when water fills the contacts to a bottleneck to flow as water pressure drops an ...

2007

Effects of extracellular fiber architecture on cell membrane shear stress in a 3D fibrous matrix

Melody Swartz, Federica Boschetti

Interstitial fluid flow has been shown to affect the organization and behavior of cells in 3D environments in vivo and in vitro, yet the forces driving such responses are not clear. Due to the complex architecture of the extracellular matrix (ECM) and the ...

2007

Existence and features of similarity solutions for non-Boussinesq gravity currents

Christophe Ancey, Steve Cochard, Martin Rentschler, Sébastien Wiederseiner

In this paper, the flow dynamics of gravity currents on a horizontal plane is investigated from a theoretical point of view by seeking similarity solutions. The current is generated by unleashing a varying volume of heavy fluid within an ambient fluid of m ...

2007

Robin-Robin Domain Decomposition Methods for the Stokes-Darcy Coupling

Alfio Quarteroni, Marco Discacciati

In this paper we consider a coupled system made of the Stokes and Darcy equations, and we propose some iteration-by-subdomain methods based on Robin conditions on the interface. We prove the convergence of these algorithms, and for suitable finite element ...

2007

Towards a Micro-Macro Model of Hot Tearing

Michel Rappaz, Jean-Marie Drezet, Vincent Mathier, Stéphane Vernède

Modelling of hot tearing must encompass several aspects: solidification, percolation of grains, stress/strain development, liquid feeding. The present contribution reviews recent progress made in this domain, both at the macro- and microscopic levels. At t ...

Trans Tech Publications2006

On the effect of a penetrating recirculation region on the bifurcations of the flow past a permeable sphere

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Comment on 'An analytic solution of capillary rise restrained by gravity' by N. Fries and M. Dreyer

Geological heterogeneity in landslides

Liquid–liquid two-phaseflow patterns andmasstransfer characteristics inrectangular glassmicroreactors

Reduced basis method for the shape optimization of racing car components

Simulation of shear-driven flows

Hydraulic contacts controlling water flow across porous grains

Effects of extracellular fiber architecture on cell membrane shear stress in a 3D fibrous matrix

Existence and features of similarity solutions for non-Boussinesq gravity currents

Robin-Robin Domain Decomposition Methods for the Stokes-Darcy Coupling

Towards a Micro-Macro Model of Hot Tearing

Simulation of shear-driven flows

Effects of extracellular fiber architecture on cell membrane shear stress in a 3D fibrous matrix

Comment on 'An analytic solution of capillary rise restrained by gravity' by N. Fries and M. Dreyer

Geological heterogeneity in landslides

Towards a Micro-Macro Model of Hot Tearing

Liquid–liquid two-phaseflow patterns andmasstransfer characteristics inrectangular glassmicroreactors

Reduced basis method for the shape optimization of racing car components

Hydraulic contacts controlling water flow across porous grains

Robin-Robin Domain Decomposition Methods for the Stokes-Darcy Coupling

Existence and features of similarity solutions for non-Boussinesq gravity currents