An example parameter file for the nonlinear elasticity solver

nonlinelast.parset

+# level of uniform refinements
+minLevel = 3
+# (maxLevel-minLevel) = level of adaptive refinements
+maxLevel = 3
+# Use the H1 Semi norm to measure the error, otherwise the hessian of the energy is used (might be not pos. definite)
+useH1SemiNorm = 1
+
+# folder where the input data is located
+path=/home/mi/akbib/data/cubes/
+# path where to write the results
+resultPath=/home/mi/akbib/results/nonlinCube/
+
+# a grid in Amira format
+gridFile = cube1.grid
+# a constant Dirichlet field
+# alternatively set the variable amiraValuesFile
+constantValues = 0 0 -0.2
+# a surface field determining the Dirichlet nodes (again Amira)
+amiraPatchFile = cube1.dn
+
+# scaling for the Dirichlet values
+scaling=1
+
+# max iterations of the multigrid
+mgIterations = 100
+# tolerance of the multigrid
+mgTolerance = 1e-7
+# tolerance of the coarse grid solver (ipopt)
+baseTolerance = 1e-4
+# verbosity of the method, (full, reduced or quiet)
+verbosity = reduced
+# elastic modulus of the body
+E=1e3
+# Poisson ratio
+nu = 0.3
+# fraction of elements to refine in each step
+refinementFraction = 0.3
+# loading steps to be performed to enforce the Dirichlet condition
+# an increment of 0.1 would result in 10 steps, 1 would result in 1 step
+loadIncrement = 1
+
+#trust-region parameters
+[trConfig]
+# tolerance
+tolerance = 1e-10
+# max iterations
+maxIterations = 100
+# initial trust-region radius
+initialRadius = 5
+# maximal radius
+maxRadius = 10
+