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Existence of solutions to a phase-field model for the isothermal solidification process of a binary alloy

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Criteria for the bifurcation of small solutions of an equation F(lambda,u) = 0 from a line {(lambda,0): lambda is an element of R} of trivial solutions are usually based on properties of the DuF(lambda,0) at the trivial solutions, where the partial derivat ...

Wiley-Blackwell2015

The articles in this issue are a selection of the 15 main presentations made at the EUROMECH Colloquium 523 'Ecohydraulics: linkages between hydraulics, morphodynamics and ecological processes in rivers' that was organized in Clermont-Ferrand, France, from ...

Wiley-Blackwell2013

The influence of the carbon content on the microstructure, phase transformation and hardness of an iron-based cermet is studied. The cermet is constituted by a high-alloyed steel as matrix, and TiCN particles (50 vol.%) as reinforcement. The material is pr ...

Elsevier Sci Ltd2013

Combination of fluorescence microscopy and nanomotion detection to characterize bacteria

Giovanni Dietler, Sandor Kasas, Giovanni Longo, Justin Terence Notz Pekkanen

Antibiotic-resistant pathogens are a major health concern in everyday clinical practice. Because their detection by conventional microbial techniques requires minimally 24h, some of us have recently introduced a nanomechanical sensor, which can reveal moti ...

Wiley-Blackwell2013

Hydrological model calibration using a short period of observations

To make successful predictions in ungauged basins (PUB) exploring how to facilitate the identification of catchment characteristics from readily available information is as important as improving the theoretical representation of different hydrological pro ...

2012

Effect of the environment on wear ranking and corrosion of biomedical CoCrMo alloys

Stefano Mischler

The corrosion behaviour and the wear ranking of biomedical high carbon (HC) and low carbon (LC) CoCrMo alloys sliding against an alumina ball in four different simulated body fluids [NaCl and phosphate buffered solutions (PBS) with and without albumin] has ...

2011

Universal amplitudes of the Casimir-like interactions between four types of rods in fluid membranes

Anne-Florence Raphaëlle Bitbol

The fluctuation-induced, Casimir-like interaction between two parallel rods of length L adsorbed on a fluid membrane is calculated analytically at short separations d < L. The rods are modeled as constraints imposed on the membrane curvature along a strai ...

IOP Publishing2011

Two Positive Solutions of a Quasilinear Elliptic Dirichlet Problem

Charles Stuart

For a class of second order quasilinear elliptic equations we establish the existence of two non-negative weak solutions of the Dirichlet problem on a bounded domain, Omega. Solutions of the boundary value problem are critical points of C-1-functional on H ...

Birkhäuser-Verlag, Springer2011

We discuss the problem of full counting statistics for periodic pumping. The probability generating function is usually defined on a circle of the "physical" values of the counting parameter, with its periodicity corresponding to charge quantization. The e ...

2010

Deformation and Fracture Toughness of Two-Phase Titanium Aluminides

Nicolas Vincent Barbi

This thesis is an exploration of deformation and fracture properties of a novel two-phase α2 + γ Ti46Al8Ta (at.%) alloy featuring a "convoluted" microstructure, produced by partners within a European Union project named IMPRESS. Properties of this alloy ar ...

EPFL2010