%0 Journal Article
%T Parallel implicit contact algorithm for soft particle systems
%+ Physique et Mécanique des Milieux Divisés (PMMD)
%+ Ingénierie des Agro-polymères et Technologies Émergentes (UMR IATE)
%+ Structures Innovantes, Géomatériaux, ECOconstruction (SIGECO)
%+ Multiscale Material Science for Energy and Environment (MSE 2)
%A Nezamabadi, Saeid
%A Frank, Xavier
%A Delenne, Jean-Yves
%A Averseng, Julien
%A Radjai, Farhang
%Z ANR (the French National Research Agency) under the “Investissements d’avenir” programme with the reference ANR-10-LABX-001-01 Labex Agro and coordinated by Agropolis Fondation, France under the frame of I-SITE MUSE (ANR-16-IDEX-0006)
%< avec comité de lecture
%@ 0010-4655
%J Computer Physics Communications
%I Elsevier
%V 237
%P 17-25
%8 2019-04
%D 2019
%R 10.1016/j.cpc.2018.10.030
%K Material point method
%K Contact dynamics
%K Granular materials
%K MPI
%K Hyperelasticity
%K Finite strain
%Z Engineering Sciences [physics]/Mechanics [physics.med-ph]/Mechanics of materials [physics.class-ph]
%Z Engineering Sciences [physics]/Mechanics [physics.med-ph]/Structural mechanics [physics.class-ph]
%Z Engineering Sciences [physics]/Mechanics [physics.med-ph]/Solid mechanics [physics.class-ph]
%Z Physics [physics]/Mechanics [physics]/Materials and structures in mechanics [physics.class-ph]Journal articles
%X This paper presents a numerical technique to model soft particle materials in which the particles can undergo large deformations. It combines an implicit finite strain formalism of the Material Point Method and the Contact Dynamics method. In this framework, the large deformations of individual particles as well as their collective interactions are treated consistently. In order to reduce the computational cost, this method is parallelised using the Message Passing Interface (MPI) strategy. Using this approach, we investigate the uniaxial compaction of 2D packings composed of particles governed by a Neo-Hookean material behaviour. We consider compressibility rates ranging from fully compressible to incompressible particles. The packing deformation mechanism is a combination of both particle rearrangements and large deformations, and leads to high packing fractions beyond the jamming state. We show that the packing strength declines when the particle compressibility decreases, and the packing can deform considerably. We also discuss the evolution of the connectivity of the particles and particle deformation distributions in the packing.
%G English
%2 https://hal.science/hal-01985869/document
%2 https://hal.science/hal-01985869/file/Art_Nezamabadi_al_Computer-Phy-Comm_2019.pdf
%L hal-01985869
%U https://hal.science/hal-01985869
%~ CIRAD
%~ CNRS
%~ UNIV-MONTP2
%~ INRA
%~ IATE
%~ LMGC
%~ AGREENIUM
%~ MIPS
%~ BA
%~ UNIV-MONTPELLIER
%~ INSTITUT-AGRO-MONTPELLIER
%~ INRAE
%~ INRAEOCCITANIEMONTPELLIER
%~ ANR
%~ UM-2015-2021
%~ INSTITUT-AGRO