model solid_mechanics_model_cohesive [

   cohesive_inserter [
    bounding_box = [[0,10],[-10, 10]]
  ]


  material elastic [
    name = virtual
    rho = 1    # density
    E   = 1    # young's modulus
    nu  = 0.3  # poisson's ratio
    finite_deformation = true
  ]

  material cohesive_linear [
    name = cohesive
    sigma_c = 0.1
    G_c = 1e-2
    beta = 1.
    penalty = 10.
  ]
]