Nous traitons dans cette thèse des différents aspects de la manipulation de maillages, et de la façon dont ces opérations peuvent être effectuées en parallèle, ou en mémoire distribuée, à l’heure où les GPUs comme les super-calculateurs deviennent de plus en plus utilisés. Ainsi, nous présentons des algorithmes de lissage surfacique et volumique, inspirés d’algorithmes de traitement d’images (filtre bilatéral, histogrammes locaux). Après ces manipulations de géométrie, nous abordons des problématiques topologiques comme le remaillage local, dans le but de générer, à partir d’un maillage tétraédrique, une couche limite de cellules prismatiques et hexaédriques de bonne qualité, permettant des simulations de mécanique des fluides dans ces ones...
Summary. Mesh generation is a critical component for many (bio-)engineering ap-plications. However, ...
(eng) In the medical field, volume rendering provides good quality 3D visualizations but is still no...
Le besoin croissant en simulation a conduit à l’élaboration de supercalculateurs complexes et d’un n...
This thesis deals with different aspects of mesh processing, and the way those operations can be don...
The purpose of this thesis was to propose and to validate experimentally a set of algorithmic method...
[EN]We propose a new algorithm on distributed-memory parallel computers for our simultaneous untangl...
Large-scale 3D numerical simulations of complex flows, such as turbulent ones, often imply a huge co...
There are numerous scientific applications which require large and complex meshes. Given the explos...
. Maintaining good mesh quality during the generation and refinement of unstructured meshes in finit...
We present here the enhancement of a parallel incompressible Navier-Stokes solver to be able to mana...
Mesh quality is a critical issue in numerical computing because it directly impacts both computation...
ISBN 978-84-942844-7-2International audienceThis paper presents a parallel remeshing algorithm for d...
L'évolution constante ainsi que la complexification qui s'en suit des architectures matérielles obli...
Abstract. Maintaining good mesh quality during the generation and renement of unstructured meshes in...
The primary focus of this project is to design and implement a parallel framework for an unstructure...
Summary. Mesh generation is a critical component for many (bio-)engineering ap-plications. However, ...
(eng) In the medical field, volume rendering provides good quality 3D visualizations but is still no...
Le besoin croissant en simulation a conduit à l’élaboration de supercalculateurs complexes et d’un n...
This thesis deals with different aspects of mesh processing, and the way those operations can be don...
The purpose of this thesis was to propose and to validate experimentally a set of algorithmic method...
[EN]We propose a new algorithm on distributed-memory parallel computers for our simultaneous untangl...
Large-scale 3D numerical simulations of complex flows, such as turbulent ones, often imply a huge co...
There are numerous scientific applications which require large and complex meshes. Given the explos...
. Maintaining good mesh quality during the generation and refinement of unstructured meshes in finit...
We present here the enhancement of a parallel incompressible Navier-Stokes solver to be able to mana...
Mesh quality is a critical issue in numerical computing because it directly impacts both computation...
ISBN 978-84-942844-7-2International audienceThis paper presents a parallel remeshing algorithm for d...
L'évolution constante ainsi que la complexification qui s'en suit des architectures matérielles obli...
Abstract. Maintaining good mesh quality during the generation and renement of unstructured meshes in...
The primary focus of this project is to design and implement a parallel framework for an unstructure...
Summary. Mesh generation is a critical component for many (bio-)engineering ap-plications. However, ...
(eng) In the medical field, volume rendering provides good quality 3D visualizations but is still no...
Le besoin croissant en simulation a conduit à l’élaboration de supercalculateurs complexes et d’un n...