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Mathematical modelling of the cardiovascular system

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Geometric, variational discretization of continuum theories

Mathieu Desbrun

This study derives geometric, variational discretization of continuum theories arising in fluid dynamics, magnetohydrodynamics (MHD), and the dynamics of complex fluids. A central role in these discretizations is played by the geometric formulation of flui ...

2011

Modelling transport of biogrout in soils

Lyesse Laloui

Bacterial strains producing urease can have a major impact on the natural calcite precipitation process if they are supplied with nutrients and urea. In Microbial Induced Calcite Precipitation (MICP) process, the precipitated calcite acts as a cementing ag ...

2011

Modelling of biogrout propagation in soils

Lyesse Laloui

International Center for Computational Engineering (IC2E)2011

Biogrout propagation in soils

Lyesse Laloui

Microbial Induced Calcite Precipitation (MICP) is an innovative technique for soil grouting in which injected bacteria supplemented with chemicals lead to calcite precipitation in soils. A comprehensive research work is carried out to better understand and ...

Springer-Verlag2011

A multiscale Darcy-Brinkman model for fluid flow in fractured porous media

Alfio Quarteroni, Carlo D'Angelo, Matteo Lesinigo

The aim of this work is to present a reduced mathematical model for describing fluid flow in porous media featuring open channels or fractures. The Darcy's law is assumed in the porous domain while the Stokes-Brinkman equations are considered in the fractu ...

Springer-Verlag2011

Numerical Fluid-Structure Interaction Model for the Connection of Outflow Cannula of LVAD to the Aorta

Alfio Quarteroni, Simone Deparis, Jean Bonnemain, Ludwig Von Segesser

Purpose: Connecting outflow cannula of LVAD to the aorta is an underexplored issue but may have considerable impact. In fact the hemodynamic modifications due to implantation in this region can cause thromboembolic events. It is therefore important to unde ...

2011

Grid Filter Models for the Large Eddy Simulation of Fluid Flows

Marc Anthony David Habisreutinger

In fluid mechanics, turbulence can occur in very simple flow geometries, for Newtonian fluids and without the need for additional flow conditions such as temperature gradients or chemical reactions. In standard cases, intuitive assumptions on the physics o ...

EPFL2010

Efficient Solution of Fluid-Structure Interaction Problems in Computational Hemodynamics

Alfio Quarteroni, Simone Deparis, Paolo Crosetto

Cardiovascular diseases are the first cause of death in industrialized countries. It is now widely established that blood fluid dynamics and its interaction with the vascular wall play an essential role in the development and evolution of vascular patholog ...

American Institute of Physics2010

On a class of mean field solutions of the Monge problem for perfect and self-interacting systems

Philippe Choquard

The Monge problem [23], [27], as reformulated by Kantorovich [19], [20] is that of the transportation, at a minimum "cost", of a given mass distribu- tion from an initial to a final position during a given time interval. It is an optimal transport problem ...

EPFL2010

Simulation numérique de phénomènes MHD

Gilles Steiner

The purpose of this thesis is the study, from the numerical simulation point of view, of the aluminum electrolysis process. Navier-Stokes equations for the computation of a two fluids flow with free interface are coupled with Maxwell equations describing t ...

EPFL2009