# Listing of Parameters
# ---------------------
subsection Assembly method
# The automatic differentiation order to be used in the assembly of the linear system.
# Order = 0: Both the residual and linearisation are computed manually.
# Order = 1: The residual is computed manually but the linearisation is performed using AD.
# Order = 2: Both the residual and linearisation are computed using AD.
set Automatic differentiation order = 0
end
subsection Finite element system
# Displacement system polynomial order
set Polynomial degree = 1
# Gauss quadrature order
set Quadrature order = 2
end
subsection Geometry
# Number of elements per long edge of the beam
set Elements per edge = 32
# Global grid scaling factor
set Grid scale = 1e-3
end
subsection Linear solver
# Linear solver iterations (multiples of the system matrix size)
set Max iteration multiplier = 1
# Linear solver residual (scaled by residual norm)
set Residual = 1e-6
# Preconditioner type
set Preconditioner type = ssor
# Preconditioner relaxation value
set Preconditioner relaxation = 0.65
# Type of solver used to solve the linear system
set Solver type = Direct
end
subsection Material properties
# Poisson's ratio
set Poisson's ratio = 0.3
# Shear modulus
set Shear modulus = 0.4225e6
end
subsection Nonlinear solver
# Number of Newton-Raphson iterations allowed
set Max iterations Newton-Raphson = 10
# Displacement error tolerance
set Tolerance displacement = 1.0e-6
# Force residual tolerance
set Tolerance force = 1.0e-9
end
subsection Time
# End time
set End time = 1
# Time step size
set Time step size = 0.1
end