---
loadstep:
  - boundary_conditions:
      mechanical:
        - dot_u: ['x', 'x', 0.01]
          tag: 1
        - dot_u: [0.0, 0.0, 0.0]
          tag: 2
    discretization:
      t: 0.0005
      N: 1
    f_out: 1
  - boundary_conditions:
      mechanical:
        - dot_u: ['x', 'x', 0.01]
          tag: 1
        - dot_u: [0.0, 0.0, 0.0]
          tag: 2
    discretization:
      t: 1.0
      N: 10
    f_out: 2