Per-contact iteration method for solving contact dynamics
This letter introduces a new iterative method for contact dynamics problems. The proposed
method is based on an efficient bisection method which iterates over each contact. We …
method is based on an efficient bisection method which iterates over each contact. We …
Hybrid grains: Adaptive coupling of discrete and continuum simulations of granular media
We propose a technique to simulate granular materials that exploits the dual strengths of
discrete and continuum treatments. Discrete element simulations provide unmatched levels …
discrete and continuum treatments. Discrete element simulations provide unmatched levels …
A hybrid iterative solver for robustly capturing coulomb friction in hair dynamics
G Daviet, F Bertails-Descoubes… - Proceedings of the 2011 …, 2011 - dl.acm.org
Dry friction between hair fibers plays a major role in the collective hair dynamic behavior as
it accounts for typical nonsmooth features such as stick-slip instabilities. However, due the …
it accounts for typical nonsmooth features such as stick-slip instabilities. However, due the …
Using Nesterov's method to accelerate multibody dynamics with friction and contact
We present a solution method that, compared to the traditional Gauss-Seidel approach,
reduces the time required to simulate the dynamics of large systems of rigid bodies …
reduces the time required to simulate the dynamics of large systems of rigid bodies …
Simple and scalable frictional contacts for thin nodal objects
G Daviet - ACM Transactions on Graphics (TOG), 2020 - dl.acm.org
Frictional contacts are the primary way by which physical bodies interact, yet they pose
many numerical challenges. Previous works have devised robust methods for handling …
many numerical challenges. Previous works have devised robust methods for handling …
Adaptive nonlinearity for collisions in complex rod assemblies
We develop an algorithm for the efficient and stable simulation of large-scale elastic rod
assemblies. We observe that the time-integration step is severely restricted by a strong …
assemblies. We observe that the time-integration step is severely restricted by a strong …
On solving contact problems with Coulomb friction: formulations and numerical comparisons
In this chapter, we review several formulations of the discrete frictional contact problem that
arises in space and time discretized mechanical systems with unilateral contact and three …
arises in space and time discretized mechanical systems with unilateral contact and three …
[HTML][HTML] Ultrascale simulations of non-smooth granular dynamics
T Preclik, U Rüde - Computational Particle Mechanics, 2015 - Springer
This article presents new algorithms for massively parallel granular dynamics simulations on
distributed memory architectures using a domain partitioning approach. Collisions are …
distributed memory architectures using a domain partitioning approach. Collisions are …
A new representation of systems with frictional unilateral constraints and its Baumgarte-like relaxation
R Kikuuwe, B Brogliato - Multibody System Dynamics, 2017 - Springer
This paper proposes a new representation of multibody mechanical systems involving three-
dimensional frictional unilateral constraints. The new representation is of the form of a …
dimensional frictional unilateral constraints. The new representation is of the form of a …
The maximum dissipation principle in rigid-body dynamics with inelastic impacts
Formulating a consistent theory for rigid-body dynamics with impacts is an intricate problem.
Twenty years ago Stewart published the first consistent theory with purely inelastic impacts …
Twenty years ago Stewart published the first consistent theory with purely inelastic impacts …