Concept

Treillis (vêtement)

Publications associées (53)

Bioclogging in porous media: Model development and sensitivity to initial conditions

David Andrew Barry, Alessandro Brovelli, Flavio Malaguerra

This work presents a numerical model able to simulate the effect of biomass growth on the hydraulic properties of saturated porous media, i.e., bioclogging. A new module for an existing coupled flow and reactive-transport code -- PHWAT -- was implemented. ...

2009

Time domain simulation of soil-foundation-structure interaction in non-uniform soils

Matthias Preisig

Presented here is a numerical investigation of the influence of non-uniform soil conditions on a prototype concrete bridge with three bents (four span) where soil beneath bridge bents are varied between stiff sands and soft clay. A series of high-fidelity ...

2009

Three-dimensional (3D) polypyrrole microstructures with high aspect ratios fabricated by localized electropolymerization

Giorgio Margaritondo

We present the three-dimensional (3D) growth of polypyrrole (PPy) microstructures with high aspect ratios (HAR) by a localized electropolymerization. The radicals formed by an oxidation of Py monomer is localized on the targeting area due to a confinement ...

American Chemical Society2008

Uniform and staggered magnetizations induced by Dzyaloshinskii-Moriya interactions in isolated and coupled spin-1∕2dimers in a magnetic field

Frédéric Mila, Salvatore Manmana

We investigate the interplay of Dzyaloshinskii-Moriya interactions and an external field in spin-1∕2 dimers. For isolated dimers and at low field, we derive simple expressions for the staggered and uniform magnetizations which show that the orientation of ...

2007

Multi-Layer Background Subtraction Based on Color and Texture

Jean-Marc Odobez

In this paper, we propose a robust multi-layer background subtraction technique which takes advantages of local texture features represented by local binary patterns (LBP) and photometric invariant color measurements in RGB color space. LBP can work robust ...

2007

Multi-Layer Background Subtraction Based on Color and Texture

Jean-Marc Odobez

Idiap2007

Modulational instability in a layered Kerr medium: Theory and experiment

Demetri Psaltis, Ye Pu

We present the first experimental investigation of modulational instability in a layered Kerr medium. The particularly interesting and appealing feature of our configuration, consisting of alternating glass-air layers, is the piecewise-constant nature of t ...

2006

A new look at atomic broadcast in the asynchronous crash-recovery model

André Schiper, Sergio Mena

Atomic broadcast in particular, and group communication in general, have mainly been specified and implemented in a system model where processes do not recover after a crash. The model is called crash-stop. The drawback of this model is its inability to ex ...

2005

Probe measurements of plasma potential nonuniformity due to edge asymmetry in large-area radio-frequency reactors: The telegraph effect

Christoph Hollenstein, Alan Howling, Laurent Fabien Hubert Sansonnens, Hannes Schmidt, Lukas Derendinger

In large-area radio-frequency (rf) capacitive reactors, the redistribution of rf current to maintain current continuity near asymmetric sidewalls causes a perturbation in rf plasma potential to propagate along the resistive plasma between capacitive sheath ...

2005

Probe measurements of plasma potential nonuniformity due to edge asymmetry in large-area radio-frequency reactors: the telegraph effect

Christoph Hollenstein, Alan Howling, Laurent Fabien Hubert Sansonnens, Hannes Schmidt, Lukas Derendinger

2005

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