Publications related to Méthodes numériques liées à la distribution d'alumine dans une cuve d'électrolyse d'aluminium

Inverse problems in tumor modelling

In this project, we deepen the analysis of a tumour growth model, recently proposed by Garcke et al. in [1]. This model describes tumour and healthy cells evolution as well as tumour cells’ nutrients, mixture velocity and pressure in the domain. Furthermor ...

2016

Modeling and Optimal Control of a Redox Flow Battery

Hubert Girault, Dominique Bonvin, Timm Faulwasser, Julien Léo Billeter, Heron Vrubel, Véronique Amstutz, Alberto Battistel, Daniel Wrang

Vanadium Redox Flow Batteries (VRFB) can be used as energy storage device, for example to account for wind or solar power fluctuations. In VRFBs charge is stored in two tanks containing two different vanadium solutions. This approach decouples the storage ...

2016

Integrated Photo-Electrochemical Solar Fuel Generators under Concentrated Irradiation- Part I: 2-D Non-Isothermal Multiphysics Modelling

Sophia Haussener, Saurabh Yuvraj Tembhurne

We investigate the direct conversion of solar energy and water into a storable fuel via integrated photo-electrochemical (IPEC) devices. Here we focus particularly on a device design which uses concentrated solar irradiation to reduce the use of rare and e ...

Electrochemical Society2016

A vector field method on the distorted Fourier side and decay for wave equations with potentials

Joachim Krieger, Roland Donninger

We study the Cauchy problem for the one-dimensional wave equation

\partial_t^2 u(t,x)-\partial_x^2 u(t,x)+V(x)u(t,x)=0.

The potential

V

is assumed to be smooth with asymptotic behavior

V(x)\sim -\tfrac14 |x|^{-2}\mbox{ as } |x|\to \infty.

...

2016

Numerical Modeling of Tube Forming by HPTR Cold Pilgering Process

Roland Logé

For new fast-neutron sodium-cooled Generation IV nuclear reactors, the candidate cladding materials for the very strong burn-up are ferritic and martensitic oxide dispersion strengthened grades. Classically, the cladding tube is cold formed by a sequence o ...

Springer Verlag2016

Numerical approximation of the Navier-Stokes-Forchheimer equations and application to a passive flow control problem

Loïc Hausammann

The modeling of an incompressible fluid through a porous medium requires to deal with two systems of partial differential equations (PDEs) for the two types of media (fluid and porous). A possible way to couple theses two equations is by using the penaliza ...

2015

Numerical homogenization methods for advection-diffusion and nonlinear monotone problems with multiple scales

Martin Ernst Huber

Many applied problems, like transport processes in porous media or ferromagnetism in composite materials, can be modeled by partial differential equations (PDEs) with heterogeneous coefficients that rapidly vary at small scales. To capture the effective be ...

EPFL2015

Analysis and Computation of Hyperbolic PDEs with Random Data

Fabio Nobile

Hyperbolic partial differential equations (PDEs) are mathematical models of wave phenomena, with applications in a wide range of scientific and engineering fields such as electromagnetic radiation, geosciences, fluid and solid mechanics, aeroacoustics, and ...

2015

Reduced Basis method for Isogeometric Analysis: application to structural problems

Marina Rinaldi

Isogeometric Analysis (IGA) is a computational methodology for the numerical approximation of Partial Differential Equations (PDEs). IGA is based on the isogeometric concept, for which the same basis functions, usually Non-Uniform Rational B-Splines (NURBS ...

2015

Mixed finite element -- primal finite volume element discretization of multicontinuum models

Ivan Lunati, Ricardo Esteban Ruiz Baier

This paper is devoted to the mathematical modelling and numerical simulation of basic mechanisms that drive multicontinuum systems in two- and three-dimensional porous media. We state a general mathematical model within the framework of mixture theory, cap ...

2015

Méthodes numériques liées à la distribution d'alumine dans une cuve d'électrolyse d'aluminium

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Inverse problems in tumor modelling

Modeling and Optimal Control of a Redox Flow Battery

Integrated Photo-Electrochemical Solar Fuel Generators under Concentrated Irradiation- Part I: 2-D Non-Isothermal Multiphysics Modelling

A vector field method on the distorted Fourier side and decay for wave equations with potentials

Numerical Modeling of Tube Forming by HPTR Cold Pilgering Process

Numerical approximation of the Navier-Stokes-Forchheimer equations and application to a passive flow control problem

Numerical homogenization methods for advection-diffusion and nonlinear monotone problems with multiple scales

Analysis and Computation of Hyperbolic PDEs with Random Data

Reduced Basis method for Isogeometric Analysis: application to structural problems

Mixed finite element -- primal finite volume element discretization of multicontinuum models

Mixed finite element -- primal finite volume element discretization of multicontinuum models

A vector field method on the distorted Fourier side and decay for wave equations with potentials

Numerical approximation of the Navier-Stokes-Forchheimer equations and application to a passive flow control problem

Analysis and Computation of Hyperbolic PDEs with Random Data

Integrated Photo-Electrochemical Solar Fuel Generators under Concentrated Irradiation- Part I: 2-D Non-Isothermal Multiphysics Modelling

Inverse problems in tumor modelling

Numerical Modeling of Tube Forming by HPTR Cold Pilgering Process

Numerical homogenization methods for advection-diffusion and nonlinear monotone problems with multiple scales

Reduced Basis method for Isogeometric Analysis: application to structural problems

Modeling and Optimal Control of a Redox Flow Battery