{
  "annotation_id": "f6962a95-fba8-407e-8817-3fe2c2bcedab",
  "date_created": "2026-03-02T18:01:04.039000Z",
  "date_modified": "2026-03-02T18:01:04.039000Z",
  "file_hash": "b872c17984d085261e28b60d07e075506dfd9223e60c28afd5b6dc6499ac61b0",
  "private": false,
  "record": {
    "abstract": "Two dimensional simulations of non-cohesive granular matter in a biaxial\nshear tester are discussed. The effect of particle elasticity on the mechanical\nbehavior is investigated using two complementary distinct element methods\n(DEM): Soft particle molecular dynamics simulations (Particle Flow Code, PFC)\nfor elastic particles and contact dynamics simulations (CD) for the limit of\nperfectly rigid particles. As soon as the system dilates to form shear bands,\nit relaxes the elastic strains so that one finds the same stresses for rigid\nrespectively elastic particles in steady state ow. The principal stresses in\nsteady state ow are determined. They are proportional to each other, giving\nrise to an effective macroscopic friction coefficient which is about 10 %\nsmaller than the microscopic friction coefficient between the grains.",
    "arxiv_id": "physics/0511080",
    "authors": [
      "Dirk Kadau",
      "Dominik Schwesig",
      "Joerg Theuerkauf",
      "Dietrich E. Wolf"
    ],
    "categories": [
      "physics.comp-ph"
    ],
    "doi": "10.1007/s10035-005-0217-y",
    "journal_ref": "Granular Matter 8(1), 35-40 (2006)",
    "title": "Influence of particle elasticity in shear testers",
    "url": "https://arxiv.org/abs/physics/0511080"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "f93c5dea-ee48-4595-ada6-3176daead2c0",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}