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Merge pull request #23 from DavidSCN/examples
Add an example case configuration
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<?xml version="1.0"?> | ||
<precice-configuration> | ||
<log> | ||
<sink | ||
filter="%Severity% > debug and %Rank% = 0" | ||
format="---[precice] %ColorizedSeverity% %Message%" | ||
enabled="true" /> | ||
</log> | ||
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<solver-interface dimensions="3"> | ||
<data:vector name="Stress" /> | ||
<data:vector name="Displacement" /> | ||
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<mesh name="Fluid-Mesh-Nodes"> | ||
<use-data name="Displacement" /> | ||
</mesh> | ||
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<mesh name="Fluid-Mesh-Faces"> | ||
<use-data name="Stress" /> | ||
</mesh> | ||
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<mesh name="Solid-write"> | ||
<use-data name="Displacement" /> | ||
</mesh> | ||
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<mesh name="Solid-read"> | ||
<use-data name="Stress" /> | ||
</mesh> | ||
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<participant name="Fluid"> | ||
<use-mesh name="Solid-write" from="Solid" /> | ||
<use-mesh name="Fluid-Mesh-Nodes" provide="yes" /> | ||
<use-mesh name="Fluid-Mesh-Faces" provide="yes" /> | ||
<write-data name="Stress" mesh="Fluid-Mesh-Faces" /> | ||
<read-data name="Displacement" mesh="Fluid-Mesh-Nodes" /> | ||
<mapping:nearest-neighbor | ||
direction="read" | ||
from="Solid-write" | ||
to="Fluid-Mesh-Nodes" | ||
constraint="consistent" /> | ||
</participant> | ||
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<participant name="Solid"> | ||
<use-mesh name="Solid-write" provide="yes" /> | ||
<use-mesh name="Solid-read" provide="yes" /> | ||
<use-mesh name="Fluid-Mesh-Faces" from="Fluid" /> | ||
<write-data name="Displacement" mesh="Solid-write" /> | ||
<read-data name="Stress" mesh="Solid-read" /> | ||
<mapping:nearest-neighbor | ||
direction="read" | ||
from="Fluid-Mesh-Faces" | ||
to="Solid-read" | ||
constraint="consistent" /> | ||
</participant> | ||
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<m2n:sockets from="Fluid" to="Solid" exchange-directory=".." /> | ||
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<coupling-scheme:serial-implicit> | ||
<participants first="Fluid" second="Solid" /> | ||
<max-time-windows value="10" /> | ||
<time-window-size value="1e-4" /> | ||
<exchange data="Stress" mesh="Fluid-Mesh-Faces" from="Fluid" to="Solid" /> | ||
<exchange data="Displacement" mesh="Solid-write" from="Solid" to="Fluid" /> | ||
<max-iterations value="50" /> | ||
<relative-convergence-measure limit="1e-3" data="Stress" mesh="Fluid-Mesh-Faces" /> | ||
<relative-convergence-measure limit="1e-3" data="Displacement" mesh="Solid-write" /> | ||
<acceleration:IQN-ILS> | ||
<data name="Displacement" mesh="Solid-write" /> | ||
<preconditioner type="residual-sum" /> | ||
<filter type="QR2" limit="1e-3" /> | ||
<initial-relaxation value="0.1" /> | ||
<max-used-iterations value="10" /> | ||
<time-windows-reused value="15" /> | ||
</acceleration:IQN-ILS> | ||
</coupling-scheme:serial-implicit> | ||
</solver-interface> | ||
</precice-configuration> |
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# Listing of Parameters | ||
# --------------------- | ||
subsection Finite element system | ||
# Displacement system polynomial order | ||
set Polynomial degree = 1 | ||
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# Gauss quadrature order | ||
set Quadrature order = 2 | ||
end | ||
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subsection Output | ||
# At which time to write a vtu output file | ||
set Output tick = 2e-4 | ||
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# Output solution watchpoint | ||
set Output solution = false | ||
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# Watchpoint in undeformed configuration to output unknown fields | ||
set Output points = 0.6, 0.2, 0 | ||
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# Output folder | ||
set Output folder = dealii-output | ||
end | ||
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subsection Geometry | ||
# Dimension of the problem | ||
set Dimension = 3 | ||
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# Number of global refinements | ||
set Global refinement = 3 | ||
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# Testcase to compute | ||
set Testcase = tube3d | ||
end | ||
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subsection Linear solver | ||
# Linear solver residual (scaled by residual norm) | ||
set Residual = 1e-6 | ||
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# Linear solver iterations (multiples of the system matrix size) | ||
set Max iteration multiplier = 1 | ||
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# Preconditioner type | ||
set Preconditioner type = gmg | ||
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# Preconditioner relaxation value | ||
set Preconditioner relaxation = 0.65 | ||
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# Disable condition estimate | ||
set Estimate condition number = false | ||
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# Number of CG iterations to estimate condition number | ||
set Condition number CG iterations = 20 | ||
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# Type of caching for matrix-free operator | ||
set MF caching = scalar_referential | ||
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# Use Chebyshev smoother as coarse level solver | ||
set MF Chebyshev coarse = true | ||
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# Accurately estimate eigenvalues for coarse level Chebyshev solver | ||
set MF Chebyshev coarse accurate eigenvalues = true | ||
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# Number of CG iterations to estiamte condition number for Chebyshev smoother | ||
set MF Chebyshev number CG iterations = 30 | ||
end | ||
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subsection Material properties | ||
# Poisson's ratio | ||
set Poisson's ratio = 0.3 | ||
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# Shear modulus | ||
set Shear modulus = 3e5 | ||
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# Formulation of the energy function | ||
set Formulation = 1 | ||
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# Density | ||
set Density = 1200 | ||
end | ||
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subsection Nonlinear solver | ||
# Number of Newton-Raphson iterations allowed | ||
set Max iterations Newton-Raphson = 10 | ||
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# Displacement error tolerance | ||
set Tolerance displacement = 1.0e-6 | ||
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# Displacement update absolute tolerance | ||
set Absolute tolerance displacement = 5e-15 | ||
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# Force residual tolerance | ||
set Tolerance force = 1.0e-9 | ||
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# Force residual absolute tolerance | ||
set Absolute tolerance force = 2e-9 | ||
end | ||
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subsection Time | ||
# End time | ||
set End time = 0.5 | ||
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# Time step size | ||
set Time step size = 1e-4 | ||
end | ||
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subsection precice configuration | ||
# Name of the precice configuration file | ||
set precice config-file = ../precice-config.xml | ||
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# Name of the participant in the precice-config.xml file | ||
set Participant name = Solid | ||
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# Name of the coupling mesh in the precice-config.xml file | ||
set Write mesh name = Solid-write | ||
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# Name of the coupling mesh in the precice-config.xml file | ||
set Read mesh name = Solid-read | ||
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# Name of the read data in the precice-config.xml file | ||
set Read data name = Stress | ||
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# Name of the write data in the precice-config.xml file | ||
set Write data name = Displacement | ||
end |