parameters_sneddon_3d.prm

# Listing of Example Sneddon 3d constant pressure test
# ----------------------------------------------------

subsection Global parameters
  set Dimension				= 3
  set Global pre-refinement steps	= 1
  set Local pre-refinement steps  	= 0
  set Max No of timesteps  	  	= 5
  set Adaptive refinement cycles        = 0
  set Timestep size			= 1.0

  set outer solver                      = active set
  set test case                         = sneddon
  set ref strategy                      = fixed preref sneddon

 set value phase field for refinement  = 0.9

  # Add here to read-in the grid
end

subsection Problem dependent parameters
  set K reg				= 1e-8*h
  # 2.0*h
  # 0.25 * pow(h,0.5)
  set Eps reg 				= 2.0*h

  # must be 0.0 in active set:
  set Gamma penalization		= 0.0

  # Material and problem-rhs parameters
  set Pressure				= 1.0e-3
  set Fracture toughness G_c		= 1.0
  set Poisson ratio nu			= 0.2
  set E modulus	    			= 1.0
end

subsection Solver parameters
  set Use Direct Inner Solver              = false
  set Newton lower bound     		   = 1.0e-7
  set Newton maximum steps		   = 50
  set Decompose stress in rhs		   = 0.0
  set Decompose stress in matrix	   = 0.0
  set Line search maximum steps            = 10
end