material phasefield [
name = plate
	 rho = 1.
	 E = 210.0
	 nu = 0.3
   eta = 1e-8
	 Plane_Stress = false
]

phasefield exponential [
      name = plate
      l0 = 0.0075
      gc = 2.7e-3
      E  = 210.0
      nu = 0.3
]