# injection parameters
Q0 = 0.05 # injection rate
Injection = InjectionProperties(Q0, Mesh, source_coordinates=[0.1, 0.])
# fluid properties
Fluid = FluidProperties(viscosity=1.1e-3)
# simulation properties
simulProp = SimulationProperties()
simulProp.finalTime = 0.0003 # the time at which the simulation stops
myfolder = "./Data/toughness_jump_3p6"
simulProp.set_outputFolder(
myfolder) # the disk address where the files are saved
simulProp.projMethod = 'LS_continousfront'
simulProp.frontAdvancing = 'implicit'
simulProp.useBlockToeplizCompression = True
simulProp.saveToDisk = False
simulProp.bckColor = 'K1c'
simulProp.saveFluidVelAsVector = True
# To decide what you will see when you print:
#simulProp.plotVar = ['ffvf','regime']
#simulProp.plotVar = ['footprint','regime']
#simulProp.plotVar = ['footprint']
# setting up mesh extension options
simulProp.meshExtensionAllDir = True
simulProp.maxElementIn = 10000
simulProp.set_mesh_extension_factor(1.1)
simulProp.set_mesh_extension_direction(['all'])
simulProp.meshReductionPossible = True
simulProp.gravity = True # set up the gravity flag
simulProp.tolFractFront = 3e-3 # increase the tolerance for fracture
# front iteration
simulProp.plotTSJump = 4 # plot every fourth time step
simulProp.saveTSJump = 2 # save every second time step
simulProp.maxSolverItrs = 200 # increase the Anderson iteration limit for the
# elastohydrodynamic solver
simulProp.tmStpPrefactor = np.asarray([[0, 80000], [0.5, 0.1]
]) # set up the time step prefactor
simulProp.timeStepLimit = 5000 # time step limit
simulProp.plotVar = ['w',
'v'] # plot fracture width and fracture front velocity
simulProp.set_mesh_extension_direction(
['top', 'horizontal']) # allow the fracture to extend in positive y and x
simulProp.set_mesh_extension_factor(1.2) # set the extension factor to 1.4
simulProp.useBlockToeplizCompression = True # use the Toepliz elasticity matrix to save memory
# initializing a static fracture
C = load_isotropic_elasticity_matrix_toepliz(Mesh, Solid.Eprime)
Fr_geometry = Geometry('radial', radius=300)
init_param = InitializationParameters(Fr_geometry,
regime='static',
net_pressure=0.5e6,
elasticity_matrix=C)
Fr = Fracture(Mesh, init_param, Solid, Fluid, Injection, simulProp)
# create a controller
controller = Controller(Fr, Solid, Fluid, Injection, simulProp)
# run the simulation