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Shortening.xml
viscous_split.xml
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<?xml version="1.0"?>
<StGermainData xmlns="http://www.vpac.org/StGermain/XML_IO_Handler/Jun2003">
<struct name="components">
<struct name="conditionFunctions">
<param name="Type">StgFEM_StandardConditionFunctions</param>
</struct>
<struct name="mesh-linear">
<param name="Type">FeMesh</param>
<param name="elementType">linear</param>
</struct>
<struct name="linearMesh-generator">
<param name="Type">CartesianGenerator</param>
<param name="mesh">mesh-linear</param>
<param name="dim">dim</param>
<param name="shadowDepth">shadowDepth</param>
<list name="size">
<param>elementResI</param>
<param>elementResJ</param>
<param>elementResK</param>
</list>
<list name="minCoord">
<param>minX</param>
<param>minY</param>
<param>minZ</param>
</list>
<list name="maxCoord">
<param>maxX</param>
<param>maxY</param>
<param>maxZ</param>
</list>
</struct>
<struct name="velocity">
<param name="Type">MeshVariable</param>
<param name="mesh">mesh-linear</param>
<param name="Rank">Vector</param>
<param name="DataType">Double</param>
<param name="VectorComponentCount">dim</param>
<list name="names">
<param>vx</param>
<param>vy</param>
<param>vz</param>
</list>
</struct>
<struct name="velocityBCs">
<param name="Type">CompositeVC</param>
<param name="Data">mesh-linear</param>
</struct>
<struct name="velocityICs">
<param name="Type">CompositeVC</param>
<param name="Data">mesh-linear</param>
</struct>
<struct name="velocityDofLayout">
<param name="Type">DofLayout</param>
<param name="mesh">mesh-linear</param>
<param name="BaseVariableCount">dim</param>
<list name="BaseVariables">
<param>vx</param>
<param>vy</param>
<param>vz</param>
</list>
</struct>
<struct name="VelocityField">
<param name="Type">FeVariable</param>
<param name="FEMesh">mesh-linear</param>
<param name="DofLayout">velocityDofLayout</param>
<param name="BC">velocityBCs</param>
<param name="IC">velocityICs</param>
<param name="LinkedDofInfo">velocityLinkedDofs</param>
</struct>
<struct name="VelocityMagnitudeField">
<param name="Type">OperatorFeVariable</param>
<param name="Operator">Magnitude</param>
<param name="FeVariable">VelocityField</param>
</struct>
<struct name="VelocityGradientsField">
<param name="Type">OperatorFeVariable</param>
<param name="Operator">Gradient</param>
<param name="FeVariable">VelocityField</param>
</struct>
<struct name="VelocityGradientsInvariantField">
<param name="Type">OperatorFeVariable</param>
<param name="Operator">TensorInvariant</param>
<param name="FeVariable">VelocityGradientsField</param>
</struct>
<struct name="StrainRateField">
<param name="Type">OperatorFeVariable</param>
<param name="Operator">TensorSymmetricPart</param>
<param name="FeVariable">VelocityGradientsField</param>
</struct>
<struct name="VorticityField">
<param name="Type">OperatorFeVariable</param>
<param name="Operator">TensorAntisymmetricPart</param>
<param name="FeVariable">VelocityGradientsField</param>
</struct>
<struct name="StrainRateInvariantField">
<param name="Type">OperatorFeVariable</param>
<param name="Operator">SymmetricTensor_Invariant</param>
<param name="FeVariable">StrainRateField</param>
</struct>
<struct name="pressure">
<param name="Type">MeshVariable</param>
<param name="mesh">mesh-linear</param>
<param name="Rank">Scalar</param>
<param name="DataType">Double</param>
</struct>
<struct name="pressureDofLayout">
<param name="Type">DofLayout</param>
<param name="mesh">mesh-linear</param>
<list name="BaseVariables">
<param>pressure</param>
</list>
</struct>
<struct name="PressureField">
<param name="Type">FeVariable</param>
<param name="FEMesh">mesh-linear</param>
<param name="DofLayout">pressureDofLayout</param>
<param name="LinkedDofInfo">pressureLinkedDofs</param>
</struct>
<struct name="StressField">
<param name="Type">StressField</param>
<param name="StrainRateField">StrainRateField</param>
<param name="Context">context</param>
<param name="ConstitutiveMatrix">constitutiveMatrix</param>
<param name="Swarm">picIntegrationPoints</param>
<param name="Mesh">mesh-linear</param>
<param name="IC">stressICs</param>
</struct>
<struct name="ViscosityField">
<param name="Type">ViscosityField</param>
<param name="Context">context</param>
<param name="Swarm">picIntegrationPoints</param>
<param name="Mesh">mesh-linear</param>
<param name="ConstitutiveMatrix">constitutiveMatrix</param>
</struct>
<struct name="cellLayout">
<param name="Type">SingleCellLayout</param>
</struct>
<struct name="particleLayout">
<param name="Type">GaussParticleLayout</param>
</struct>
<struct name="gaussSwarm">
<param name="Type">IntegrationPointsSwarm</param>
<param name="CellLayout">cellLayout</param>
<param name="ParticleLayout">particleLayout</param>
<param name="FeMesh">mesh-linear</param>
<param name="TimeIntegrator">timeIntegrator</param>
<param name="IntegrationPointMapper">gaussMapper</param>
</struct>
<struct name="gaussMapper">
<param name="Type">GaussMapper</param>
<param name="IntegrationPointsSwarm">gaussSwarm</param>
<param name="MaterialPointsSwarm">gaussMaterialSwarm</param>
</struct>
<struct name="backgroundLayout">
<param name="Type">BackgroundParticleLayout</param>
</struct>
<struct name="gaussMaterialSwarm">
<param name="Type">MaterialPointsSwarm</param>
<param name="CellLayout">cellLayout</param>
<param name="ParticleLayout">backgroundLayout</param>
<param name="FeMesh">mesh-linear</param>
</struct>
<struct name="timeIntegrator">
<param name="Type">TimeIntegrator</param>
<param name="order">1</param>
<param name="simultaneous">t</param>
<param name="Context">context</param>
</struct>
<struct name="elementCellLayout">
<param name="Type">ElementCellLayout</param>
<param name="Mesh">mesh-linear</param>
</struct>
<struct name="weights">
<param name="Type">PCDVC</param>
<param name="resolutionX">10</param>
<param name="resolutionY">10</param>
<param name="resolutionZ">10</param>
<param name="lowerT">0.6</param>
<param name="upperT">25</param>
<param name="maxDeletions">3</param>
<param name="maxSplits">3</param>
<param name="MaterialPointsSwarm">materialSwarm</param>
</struct>
<struct name="localLayout">
<param name="Type">MappedParticleLayout</param>
</struct>
<struct name="picIntegrationPoints">
<param name="Type">IntegrationPointsSwarm</param>
<param name="CellLayout">elementCellLayout</param>
<param name="ParticleLayout">localLayout</param>
<param name="FeMesh">mesh-linear</param>
<param name="WeightsCalculator">weights</param>
<param name="TimeIntegrator">timeIntegrator</param>
<param name="IntegrationPointMapper">mapper</param>
</struct>
<struct name="mapper">
<param name="Type">CoincidentMapper</param>
<param name="IntegrationPointsSwarm">picIntegrationPoints</param>
<param name="MaterialPointsSwarm">materialSwarm</param>
</struct>
<struct name="materialSwarmParticleLayout">
<param name="Type">MeshParticleLayout</param>
<param name="mesh">mesh-linear</param>
<param name="cellParticleCount">particlesPerCell</param>
</struct>
<struct name="materialSwarm">
<param name="Type">MaterialPointsSwarm</param>
<param name="CellLayout">elementCellLayout</param>
<param name="ParticleLayout">materialSwarmParticleLayout</param>
<param name="FeMesh">mesh-linear</param>
<param name="SplittingRoutine">splittingRoutine</param>
<param name="RemovalRoutine">removalRoutine</param>
<param name="EscapedRoutine">escapedRoutine</param>
</struct>
<struct name="materialSwarmAdvector">
<param name="Type">SwarmAdvector</param>
<param name="Swarm">materialSwarm</param>
<param name="TimeIntegrator">timeIntegrator</param>
<param name="VelocityField">VelocityField</param>
<param name="PeriodicBCsManager">periodicBCsManager</param>
<param name="allowFallbackToFirstOrder">True</param>
</struct>
<struct name="splittingRoutine">
<param name="Type">ReseedSplitting</param>
<param name="idealParticleCount">particlesPerCell</param>
</struct>
<struct name="solutionVelocity">
<param name="Type">SolutionVector</param>
<param name="FeVariable">VelocityField</param>
</struct>
<struct name="solutionPressure">
<param name="Type">SolutionVector</param>
<param name="FeVariable">PressureField</param>
</struct>
<struct name="mom_force">
<param name="Type">ForceVector</param>
<param name="FeVariable">VelocityField</param>
<param name="ExtraInfo">context</param>
</struct>
<struct name="cont_force">
<param name="Type">ForceVector</param>
<param name="FeVariable">PressureField</param>
<param name="ExtraInfo">context</param>
</struct>
<struct name="k_matrix">
<param name="Type">StiffnessMatrix</param>
<param name="RowVariable">VelocityField</param>
<param name="ColumnVariable">VelocityField</param>
<param name="RHS">mom_force</param>
<param name="allowZeroElementContributions">False</param>
</struct>
<struct name="constitutiveMatrix">
<param name="Type">ConstitutiveMatrixCartesian</param>
<param name="Swarm">picIntegrationPoints</param>
<param name="StiffnessMatrix">k_matrix</param>
</struct>
<struct name="g_matrix">
<param name="Type">StiffnessMatrix</param>
<param name="RowVariable">VelocityField</param>
<param name="ColumnVariable">PressureField</param>
<param name="RHS">cont_force</param>
<param name="allowZeroElementContributions">False</param>
</struct>
<struct name="gradientStiffnessMatrixTerm">
<param name="Type">GradientStiffnessMatrixTerm</param>
<param name="Swarm">gaussSwarm</param>
<param name="StiffnessMatrix">g_matrix</param>
</struct>
<struct name="preconditioner">
<param name="Type">StiffnessMatrix</param>
<param name="RowVariable">PressureField</param>
<param name="ColumnVariable">PressureField</param>
<param name="RHS">cont_force</param>
<param name="allowZeroElementContributions">True</param>
</struct>
<struct name="preconditionerTerm">
<param name="Type">UzawaPreconditionerTerm</param>
<param name="Swarm">picIntegrationPoints</param>
<param name="StiffnessMatrix">preconditioner</param>
</struct>
<struct name="uzawa">
<param name="Type">Stokes_SLE_UzawaSolver</param>
<param name="Preconditioner">preconditioner</param>
<param name="tolerance">linearTolerance</param>
<param name="maxIterations">5000</param>
</struct>
<struct name="stokesEqn">
<param name="Type">Stokes_SLE</param>
<param name="SLE_Solver">uzawa</param>
<param name="Context">context</param>
<param name="StressTensorMatrix">k_matrix</param>
<param name="GradientMatrix">g_matrix</param>
<param name="DivergenceMatrix"></param>
<param name="CompressibilityMatrix">c_matrix</param>
<param name="VelocityVector">solutionVelocity</param>
<param name="PressureVector">solutionPressure</param>
<param name="ForceVector">mom_force</param>
<param name="ContinuityForceVector">cont_force</param>
<param name="killNonConvergent">false</param>
<param name="nonLinearMaxIterations">nonLinearMaxIterations</param>
<param name="nonLinearTolerance">nonLinearTolerance</param>
<param name="makeConvergenceFile">false</param>
</struct>
<struct name="c_matrix">
<param name="Type">StiffnessMatrix</param>
<param name="RowVariable">PressureField</param>
<param name="ColumnVariable">PressureField</param>
<param name="RHS">cont_force</param>
<param name="allowZeroElementContributions">True</param>
</struct>
<struct name="mixedStabiliser">
<param name="Type">MixedStabiliserTerm</param>
<param name="Swarm">gaussSwarm</param>
<param name="picSwarm">picIntegrationPoints</param>
<param name="storeVisc">storeViscosity</param>
<param name="StiffnessMatrix">c_matrix</param>
</struct>
<struct name="buoyancyForceTerm">
<param name="Type">BuoyancyForceTerm</param>
<param name="ForceVector">mom_force</param>
<param name="Swarm">picIntegrationPoints</param>
<param name="gravity">gravity</param>
</struct>
<struct name="stressBC">
<param name="Type">StressBC</param>
<param name="ForceVector">mom_force</param>
<param name="Swarm">picIntegrationPoints</param>
<param name="wall">top</param>
<param name="y_type">func</param>
<param name="y_value">Velocity_SimpleShear</param>
</struct>
<struct name="background">
<param name="Type">Everywhere</param>
</struct>
<struct name="escapedRoutine">
<param name="Type">EscapedRoutine</param>
<param name="idealParticleCount">0</param>
</struct>
<struct name="velocityRemesher">
<param name="Type">StripRemesher</param>
<param name="mesh">mesh-linear</param>
<param name="meshType">regular</param>
<list name="dim">
<param>true</param>
<param>true</param>
<param>true</param>
</list>
</struct>
<struct name="boxShape">
<param name="Type">Box</param>
<param name="startX">minX</param>
<param name="endX">maxX</param>
<param name="startY">10000.0</param>
<param name="endY">maxY</param>
<param name="startZ">minZ</param>
<param name="endZ">maxZ</param>
</struct>
<struct name="backgroundViscosity">
<param name="Type">MaterialViscosity</param>
<param name="eta0">1.0</param>
</struct>
<struct name="storeViscosity">
<param name="Type">StoreVisc</param>
<param name="MaterialPointsSwarm">materialSwarm</param>
</struct>
<struct name="storeStress">
<param name="Type">StoreStress</param>
<param name="MaterialPointsSwarm">materialSwarm</param>
</struct>
<struct name="strainWeakening">
<param name="Type">StrainWeakening</param>
<param name="TimeIntegrator">timeIntegrator</param>
<param name="MaterialPointsSwarm">materialSwarm</param>
<param name="finalSofteningStrain">0.1</param>
<param name="initialDamageFraction">0.0</param>
<param name="initialDamageWavenumber">0.5</param>
<param name="initialDamageFactor">0.5</param>
<param name="healingRate">0.0</param>
</struct>
<struct name="yielding">
<param name="Type">DruckerPrager</param>
<param name="PressureField">PressureField</param>
<param name="VelocityGradientsField">VelocityGradientsField</param>
<param name="MaterialPointsSwarm">materialSwarm</param>
<param name="Context">context</param>
<param name="StrainWeakening">strainWeakening</param>
<param name="cohesion">44e6</param>
<param name="cohesionAfterSoftening">4e6</param>
<param name="frictionCoefficient">0.57735026919</param>
<param name="frictionCoefficientAfterSoftening">0.57735026919</param>
</struct>
<struct name="viscous">
<param name="Type">RheologyMaterial</param>
<param name="Shape">boxShape</param>
<param name="density">2900.0</param>
<list name="Rheology">
<param>backgroundViscosity</param>
<param>yielding</param>
<param>storeViscosity</param>
<param>storeStress</param>
</list>
</struct>
<struct name="airShape">
<param name="Type">Box</param>
<param name="startX">minX</param>
<param name="endX">maxX</param>
<param name="startY">0.0</param>
<param name="endY">10000.0</param>
<param name="startZ">minZ</param>
<param name="endZ">maxZ</param>
</struct>
<struct name="airViscosity">
<param name="Type">MaterialViscosity</param>
<param name="eta0">1.0e-4</param>
</struct>
<struct name="air">
<param name="Type">RheologyMaterial</param>
<param name="Shape">airShape</param>
<param name="density">0.0</param>
<list name="Rheology">
<param>airViscosity</param>
<param>storeViscosity</param>
<param>storeStress</param>
</list>
</struct>
</struct>
<list name="plugins">
<param>Underworld_EulerDeform</param>
<param>Underworld_VTKOutput</param>
</list>
<param name="maxTimeSteps">1</param>
<param name="outputEvery">1</param>
<param name="dumpEvery">1</param>
<param name="outputPath">./output</param>
<param name="dim">2</param>
<param name="shadowDepth">1</param>
<param name="minX">0.0f</param>
<param name="minY">0.0f</param>
<param name="minZ">0.0f</param>
<param name="maxX">800000.0f</param>
<param name="maxY">100000.0f</param>
<param name="maxZ">100000.0f</param>
<param name="elementResI">64</param>
<param name="elementResJ">16</param>
<param name="elementResK">16</param>
<param name="allowUnbalancing">True</param>
<param name="buildNodeNeighbourTbl">True</param>
<param name="buildElementNeighbourTbl">True</param>
<param name="particlesPerCell">30</param>
<param name="seed">13</param>
<param name="gaussParticlesX">2</param>
<param name="gaussParticlesY">2</param>
<param name="gaussParticlesZ">2</param>
<param name="particlesPerCell">30</param>
<struct name="EulerDeform">
<list name="systems">
<struct>
<param name="mesh">mesh-linear</param>
<param name="remesher">velocityRemesher</param>
<param name="velocityField">VelocityField</param>
<param name="wrapTop">True</param>
<param name="staticBottom">True</param>
<list name="fields">
<struct>
<param name="field">VelocityField</param>
<param name="variable">velocity</param>
</struct>
<struct>
<param name="field">PressureField</param>
<param name="variable">pressure</param>
</struct>
</list>
</struct>
</list>
</struct>
<struct name="velocityBCs">
<param name="type">CompositeVC</param>
<list name="vcList">
<struct>
<param name="type">WallVC</param>
<param name="wall">front</param>
<list name="variables">
<struct>
<param name="name">vz</param>
<param name="type">double</param>
<param name="value">0</param>
</struct>
</list>
</struct>
<struct>
<param name="type">WallVC</param>
<param name="wall">back</param>
<list name="variables">
<struct>
<param name="name">vz</param>
<param name="type">double</param>
<param name="value">0</param>
</struct>
</list>
</struct>
<struct>
<param name="type">WallVC</param>
<param name="wall">left</param>
<list name="variables">
<struct>
<param name="name">vx</param>
<param name="type">double</param>
<param name="value">0.0</param>
</struct>
<struct>
<param name="name">vy</param>
<param name="type">double</param>
<param name="value">0.0</param>
</struct>
</list>
</struct>
<struct>
<param name="type">WallVC</param>
<param name="wall">right</param>
<list name="variables">
<struct>
<param name="name">vx</param>
<param name="type">double</param>
<param name="value">-3.17e16</param>
</struct>
<struct>
<param name="name">vy</param>
<param name="type">double</param>
<param name="value">0.0</param>
</struct>
</list>
</struct>
<struct>
<param name="type">WallVC</param>
<param name="wall">top</param>
<list name="variables">
<struct>
<param name="name">vx</param>
<param name="type">func</param>
<param name="value">StepFunction</param>
</struct>
</list>
</struct>
</list>
</struct>
<param name="checkpointEvery">1</param>
<param name="gravity">-10</param>
<param name="StepFunctionLowerOffset">400000.0</param>
<param name="StepFunctionUpperOffset">400000.0</param>
<param name="StepFunctionValue">-3.17e16</param>
<param name="StepFunctionDim">0</param>
<param name="StepFunctionLessThan">False</param>
<param name="SimpleShearFactor">30000.0</param>
<param name="SimpleShearCentreY">13000.0</param>
<param name="journal.info">True</param>
<param name="journal-level.info">2</param>
<param name="journal.debug">True</param>
<param name="journal-level.debug">2</param>
</StGermainData>
