---

solver:
  mechanical: spectral_basic

loadstep:
  - boundary_conditions:
      mechanical:
        dot_F: [1.0e-3, 0, 0,
                0,      x, 0,
                0,      0, x]
        P: [x, x, x,
            x, 0, x,
            x, x, 0]
    discretization:
      t: 10
      N: 40
    f_out: 4
  - boundary_conditions:
      mechanical:
        dot_F: [1.0e-3, 0, 0,
                0,      x, 0,
                0,      0, x]
        P: [x, x, x,
            x, 0, x,
            x, x, 0]
    discretization:
      t: 60
      N: 60
    f_out: 4