Concept

Simulation dynamique

Publications associées (41)

A Computer-Based Real-Time Simulation of Interventional Radiology

Hannes Bleuler, Lindo Robert Duratti, Fei Wang, Evren Samur

Interventional radiology is a minimally invasive procedure where thin instruments, guidewires and catheters or stents are steered through the patient’s vascular system under X- ray imaging for treatment of vascular diseases. The complexity of these procedu ...

2007

Numerical simulations of a prechamber autoignition cogeneration engine operating on natural gas

Daniel Favrat, Stefan Heyne, Grégory Millot

A numerical simulation of a prechamber autoignition gas engine has been performed based on an experimental test case. With a simplified finite-rate/eddy-dissipation model for the combustion of natural gas, it was possible to properly reproduce the experime ...

2007

Evolving Self-Organizing Behaviors for a Swarm-bot

Dario Floreano, Francesco Mondada, Roderich Gross, Jean-Louis Deneubourg, Luca Maria Gambardella

In this paper, we introduce a self-assembling and self-organizing artifact, called a swarm-bot, composed of a swarm of s-bots, mobile robots with the ability to connect to and to disconnect from each other. We discuss the challenges involved in controlling ...

2004

Group transport of an object to a target that only some group members may sense

Roderich Gross

This paper addresses the cooperative transport of a heavy object, called prey, towards a sporadically changing target location by a group of robots. The study is focused on the situation in which some robots are given the opportunity to localize the target ...

Springer Verlag2004

Non-rigid registration of serial intra-operative images for automatic brain shift estimation

Valérie Duay

Measurement of intra-operative brain motion is important to provide boundary conditions to physics-based deformation models that can be used to register pre- and intra-operative information. In this paper we present and test a technique that can be used to ...

SPIE2003

A seamless shape for HANIM compliant bodies

Daniel Thalmann

A standard for representing avatars in VRML worlds has been specified by the HANIM (Humanoid ANIMation) Working Group. Avatars based on these specifications are generally composed of a set of body surfaces which do not ensure that continuity between connec ...

1999

An adaptive spatial subdivision of the object space for fast collision detection of animated rigid bodies

Daniel Thalmann

Collision detection tests between objects dominate run time simulation of rigid body animation. Traditionally hierarchical bounding box tests are used to minimize collision detection time. But the bounding boxes do not take shapes of the objects into accou ...

1995

Hair animation with collision detection

Daniel Thalmann

An efficient method is proposed for hair animation. The movement of hairs is modeled by simplified physical simulations. In particular the method can treat successfully collisions between hair and a human body or other objects, which provides realistic hai ...

1993

Dressing animated synthetic actors with complex deformable clothes

Daniel Thalmann, Matthias Thalmann

Discusses the use of physics-based models for animating clothes on synthetic actors in motion. In this approach, cloth pieces are first designed with polygonal panels in two dimensions, and are then seamed and attached to the actor's body in three dimensio ...

1992

Intra- and interlayer contributions to the lattice vibrations in MoO3

Marcel Py

We report new experimental results for the Raman- and infrared-active modes in the layered compound MoO3. The observed frequencies are explained in terms of a valence-force-field model, including interlayer interactions. Most of the 45 optical modes are do ...

1981

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