# Number of grid levels numLevels = 1 # Number of homotopy steps for the Dirichlet boundary conditions numHomotopySteps = 1 # Tolerance of the trust region solver tolerance = 1e-8 # Max number of steps of the trust region solver maxTrustRegionSteps = 20 # Initial trust-region radius initialTrustRegionRadius = 1 # Number of multigrid iterations per trust-region step numIt = 200 # Number of presmoothing steps nu1 = 3 # Number of postsmoothing steps nu2 = 3 # Number of coarse grid corrections mu = 1 # Number of base solver iterations baseIt = 100 # Tolerance of the multigrid solver mgTolerance = 1e-7 # Tolerance of the base grid solver baseTolerance = 1e-8 # Measure convergence instrumented = 0 ############################ # Problem specifications ############################ # Parameters for the twisted 10x1 strip #[materialParameters] # ## shell thickness #thickness = 0.05 # ## Lame parameters ## corresponds to E = 1e6, nu=0.3 #mu = 3.8462e+05 #lambda = 2.7149e+05 # ## Cosserat couple modulus #mu_c = 0 ##mu_c = 3.8462e+05 # ## Length scale parameter #L_c = 0.1 # ## Curvature exponent #q = 2 # ## Shear correction factor #kappa = 1 # #[] # For the Wriggers L-shape example [materialParameters] # shell thickness thickness = 0.6 # Lame parameters # corresponds to E = 71240 N/mm^2, nu=0.31 mu = 2.7191e+04 lambda = 4.4364e+04 # Cosserat couple modulus mu_c = 0 #mu_c = 2.7191e+04 # Length scale parameter L_c = 10 # Curvature exponent q = 2 # Shear correction factor kappa = 1 [] ### Neumann values, if needed neumannValues = -1e3 0 0 structuredGrid = false lower = 0 0 upper = 10 1 elements = 10 1 # Wriggers L-shape path = /home/sander/data/shells/wriggers_L_shape/ gridFile = wriggers-L-shape.msh