Skip to content
Snippets Groups Projects
Forked from agnumpde / dune-tectonic
139 commits ahead of the upstream repository.
Code owners
Assign users and groups as approvers for specific file changes. Learn more.
multi-body-problem.cfg 1.85 KiB
# -*- mode:conf -*-
gravity         = 9.81  # [m/s^2]


[body]
bulkModulus     = 1.5e5 # [Pa]
poissonRatio    = 0.11   # [1]
[body.elastic]
density         = 1300   # [kg/m^3]
shearViscosity  = 0   # [Pas]
bulkViscosity   = 0   # [Pas]
[body.viscoelastic]
density         = 1300  # [kg/m^3]
shearViscosity  = 1e4   # [Pas]
bulkViscosity   = 1e4   # [Pas]


[boundary.friction]
C               = 6       # [Pa]
mu0             = 0.48      # [ ]
V0              = 1e-3     # [m/s]
L               = 1e-6  # [m]
initialAlpha    = 0        # [ ]
stateModel      = AgeingLaw
frictionModel   = Truncated #Regularised
[boundary.friction.weakening]
a               = 0.054    # [ ]
b               = 0.074    # [ ]
[boundary.friction.strengthening]
a               = 0.054    # [ ]
b               = 0.074    # [ ]


[boundary.neumann]
sigmaN          =  0.0     # 200.0 [Pa]


[boundary.dirichlet]
finalVelocity   = 1e-4      # [m/s]


[initialTime]
timeStep = 0
relativeTime = 0.0
relativeTau = 2e-4 # 1e-6


[timeSteps]
scheme = newmark
timeSteps = 5


[problem]
finalTime       = 100  # [s] #1000
bodyCount       = 4


[io]
data.write      = false
printProgress   = true
restarts.first  = 0
restarts.spacing= 1 #20
restarts.write  = true #true
vtk.write       = true


[u0.solver]
maximumIterations = 100
verbosity         = full
[a0.solver]
maximumIterations = 100
verbosity         = full

[v.solver]
maximumIterations = 100
verbosity         = quiet

[v.fpi]
maximumIterations = 10000
lambda            = 0.5

[solver.tnnmg.preconditioner]
mode         = additive
patchDepth   = 1
maximumIterations = 2
verbosity         = quiet
[solver.tnnmg.preconditioner.patchsolver]
maximumIterations = 100
verbosity         = quiet
[solver.tnnmg.preconditioner.basesolver]
maximumIterations = 10000
verbosity         = quiet

[solver.tnnmg.main]
pre   = 1
multi = 5 # number of multigrid steps
post  = 0