parameters_hetero_multiple_cracks.prm

# Listing of Example: heterogeneous pressurized crack
# ----------------------------------------------------

subsection Global parameters
  set Global pre-refinement steps	= 4
  set Local pre-refinement steps  	= 0
  set Adaptive refinement cycles        = 3
  set Max No of timesteps  	  	= 1000
  set Timestep size			= 0.01
  set Timestep size to switch to = 1.0
  set Switch timestep after steps = 0

  set outer solver                      = active set
  set test case                         = multiple het
  set ref strategy                      = phase field
 
  set value phase field for refinement  = 0.8

  # Add here to read-in the grid
 set Output filename	    	       = solution_b_
end

subsection Problem dependent parameters
  set K reg				= 1e-10*h
  set Eps reg				= 2*2.0*h
  # must be 0.0 in active set
  set Gamma penalization		= 1.0e+2

  # Material and problem-rhs parameters
  set Pressure				= 0 + time *1e3
  set Fracture toughness G_c		= 1.0
  set Poisson ratio nu			= 0.2
  set E modulus	    			= 1e4

end 

subsection Solver parameters
  set Use Direct Inner Solver		   = false
  set Newton lower bound     		   = 1.0e-6
  set Newton maximum steps		   = 20
  set Upper Newton rho			   = 0.999
  set Line search maximum steps            = 8
  set Line search damping 		   = 0.5
  set Decompose stress in rhs		   = 0.0
  set Decompose stress in matrix	   = 0.0
end