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parameters_miehe_shear_adaptive.prm
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parameters_miehe_shear_adaptive.prm
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# Listing of Example single edge notched test (Miehe 2010)
# pure shear test (curved fracture)
# --------------------------------------------------------
subsection Global parameters
set Global pre-refinement steps = 4
set Local pre-refinement steps = 0
set Adaptive refinement cycles = 1
set Max No of timesteps = 200
# Miehe arbeitet mit 1.0e-5
set Timestep size = 1.0e-4
set Timestep size to switch to = 1.0e-4
set Switch timestep after steps = 100
# active set or simple monolithic
set outer solver = active set
set test case = miehe shear
set ref strategy = phase field
set value phase field for refinement = 0.8
set Output filename = solution_miehe_shear_ref_adapt_4_1_dt_1e-4_
end
subsection Problem dependent parameters
set K reg = 1.0e-10*h
# 2.0*h
# 0.25 * pow(h,0.5)
set Eps reg = 2*h #0.125*pow(h,0.25)
set Gamma penalization = 0.0
# Material and problem-rhs parameters
set Pressure = 0.0
set Fracture toughness G_c = 2.7
set Poisson ratio nu = 0.2
set E modulus = 1e+3
set Lame mu = 80.77e+3
set Lame lambda = 121.15e+3
end
subsection Solver parameters
set Use Direct Inner Solver = true
set Newton lower bound = 1.0e-6
set Newton maximum steps = 100
set Upper Newton rho = 0.99
set Line search maximum steps = 10
set Line search damping = 0.6
set Decompose stress in rhs = 1.0
set Decompose stress in matrix = 1.0
end