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Dynamic triangulations for efficient detection of collisions between spheres with applications in granular media simulations

Publications associées (46)

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Biased liquid crystal photonic bandgap fiber

Jan Sickmann Hesthaven

We simulate the director structure of all capillaries in a biased photonic crystal fiber infiltrated with liquid crystals. Various mode simulations for different capillaries show the necessity to consider the entire structure. Â© 2008 Optical Society of Am ...

2008

Revocation Games in Ephemeral Networks

Jean-Pierre Hubaux, Mark Felegyhazi, Maxime Raya

A frequently proposed solution to node misbehavior in mobile ad hoc networks is to use reputation systems. But in ephemeral networks - a new breed of mobile networks where contact times between nodes are short and neighbors change frequently - reputations ...

2008

A Quantitative Method for Comparing Trajectories of Mobile Robots Using Point Distribution Models

Alcherio Martinoli, Jacques Jacot, Pierre Roduit

The need for efficient security systems led to the development of automatic behavioral identification tools using video tracking. However, in the field of mobile robotics, trajectories are seldom taken into account to qualify robot behavior. Most metrics r ...

2007

UMMRIS - Particle-based MR Simulation Framework

Tobias Kober

Computer simulations allow for predicting and interpreting the outcome of NMR and MRI measurements. A survey of existing solutions prompted us to develop an easy-to-use software for more realistic simulations of diffusion tensor imaging (DTI), that could b ...

2007

Generating Surface Textures based on Cellular Networks

Stéphane Gobron

This paper describes a method allowing the automatic multi-texturing and simulation of surface imperfections based on a cellular network. In this representation, networks of connected cells are constructed in a natural and dynamic way allowing simultaneous ...

2006

Simulation sampling with live-points

Babak Falsafi

Current simulation-sampling techniques construct accurate model state for each measurement by continuously warming large microarchitectural structures (e.g., caches and the branch predictor) while functionally simulating the billions of instructions betwee ...

2006

Mixing virtual and real scenes in the site of ancient Pompeii

Daniel Thalmann, Sébastien Schertenleib

This paper presents an innovative 3D reconstruction of ancient fresco paintings through the real-time revival of their fauna and flora, featuring groups of virtual animated characters with artificial-life dramaturgical behaviours in an immersive, fully mob ...

Wiley2005

Dynamic thread for real-time knot-tying

Etienne Burdet, Fei Wang, Ankur Dhanik

Real-time simulation of knot-tying with visual and force feedback is essential to VR surgery training. We present a physics-based simulator that enables realistic knot tying at haptic speed. The virtual thread obeys Newton's laws and behaves naturally. The ...

2005

Cooperative transport of objects of different shapes and sizes

Roderich Gross

This paper addresses the design of control policies for groups of up to 16 simple autonomous mobile robots (called s-bots) for the cooperative transport of heavy objects of different shapes and sizes. The s-bots are capable of establishing physical connect ...

Springer Verlag2004

Synthesis and 13C NMR study of the triangulo-clusters [Pt3(m-CO)3-n(m-SO2)n(PR3)3] (n = 0-3)

Gabor Laurenczy, Raymond Roulet

[Pt-3(mu-CO)(3)(PPh3)(3)] was prepared in high yield by the reaction of [Pt-3(mu-CO)(3)(PPh3)(4)] with H2O2. The carbonyl ligands in [Pt-3(mu-CO)(3)(PR3)(3)] (PR3 = PPh3, PPh(2)Bz, PCy3, P'Pr-3) may be completely replaced by sulfur dioxide to give [Pt-3(mu ...

2000