---
solver:
  mechanical: spectral_basic

loadstep:
  - boundary_conditions:
      mechanical:
        dot_F: [[x, 0,       0],
                [0, -1.0e-3, 0],
                [0, 0,       x]]
        P: [[0, x, x],
            [x, x, x],
            [x, x, 0]]
    discretization:
      t: 5
      N: 10
    f_out: 2