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feat: Joint Roughness Coefficient #4161

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d10121d
Internal computation of the hydraulic aperture from the mechanical ap…
LilianeRA Oct 9, 2026
29b9a2d
Adding sample files.
LilianeRA Oct 9, 2026
f689c3d
Merge branch 'develop' into feature/JointRoughnessCoefficient
jhuang2601 Nov 4, 2026
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260 changes: 260 additions & 0 deletions inputFiles/jointRoughnessCoefficient/buckleyLeverett_JRC10.xml
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<?xml version="1.0" ?>

<Problem>

<Included>
<File name="./../fractures_data.xml"/>
</Included>

<Solvers>
<ImmiscibleMultiphaseFlow
name="FlowSolver"
logLevel="4"
discretization="TPFA"
temperature="300"
initialDt="0.001"
targetRegions="{ region, fracture }">
<NonlinearSolverParameters
newtonTol="1.0e-6"
newtonMaxIter="50"
maxTimeStepCuts="2"/>
<LinearSolverParameters
solverType="direct"
directParallel="0"
logLevel="0"/>
</ImmiscibleMultiphaseFlow>
</Solvers>

<NumericalMethods>
<FiniteVolume>
<TwoPointFluxApproximation
name="TPFA"/>
</FiniteVolume>

<FiniteElements>
<FiniteElementSpace
name="FE1"
order="1"/>
</FiniteElements>
</NumericalMethods>

<ElementRegions>
<CellElementRegion
name="region"
cellBlocks="{ cellBlock }"
materialList="{ fluid, rock, relperm }"/>

<SurfaceElementRegion
name="fracture"
defaultAperture="1e-4"
materialList="{ fluid, fractureFilling, relperm }"
subRegionType="embeddedElement"/>
</ElementRegions>

<Functions>
<TableFunction
name="densityTablePhase1"
coordinates="{ 0.0}"
values="{ 1000 }" />
<TableFunction
name="densityTablePhase2"
coordinates="{ 0.0 }"
values="{ 700 }" />
<TableFunction
name="viscosityTablePhase1"
coordinates="{ 0.0}"
values="{ 1e-3 }" />
<TableFunction
name="viscosityTablePhase2"
coordinates="{ 0.0 }"
values="{ 1e-3 }" />
</Functions>

<Constitutive>
<CompressibleSolidConstantPermeability
name="rock"
solidModelName="nullSolid"
porosityModelName="rockPorosity"
permeabilityModelName="rockPerm"/>

<CompressibleSolidParallelPlatesPermeability
name="fractureFilling"
solidModelName="nullSolid"
porosityModelName="fracturePorosity"
permeabilityModelName="fracturePerm"/>

<NullModel
name="nullSolid"/>

<PressurePorosity
name="rockPorosity"
defaultReferencePorosity="0.3"
referencePressure="0"
compressibility="0"/>

<PressurePorosity
name="fracturePorosity"
defaultReferencePorosity="1.0"
referencePressure="0.0"
compressibility="0.0"/>

<ConstantPermeability
name="rockPerm"
permeabilityComponents="{ 1.0e-15, 1.0e-15, 1.0e-15}"/>

<ParallelPlatesPermeability
name="fracturePerm"
jointRoughnessCoefficient="10.0"/>

<BrooksCoreyRelativePermeability
name="relperm"
phaseNames="{ water, oil }"
phaseMinVolumeFraction="{ 0.0, 0.0 }"
phaseRelPermExponent="{ 2, 2 }"
phaseRelPermMaxValue="{ 1.0, 1.0 }"/>

<TwoPhaseImmiscibleFluid
name="fluid"
phaseNames="{water, oil}"
densityTableNames="{densityTablePhase1, densityTablePhase2}"
viscosityTableNames="{viscosityTablePhase1, viscosityTablePhase2}" />
</Constitutive>

<FieldSpecifications>
<FieldSpecification
name="initialPressure"
initialCondition="1"
setNames="{ all }"
objectPath="ElementRegions"
fieldName="pressure"
scale="5000000"/>

<FieldSpecification
name="initialSaturation_Water"
initialCondition="1"
setNames="{ all }"
objectPath="ElementRegions"
fieldName="phaseVolumeFraction"
component="0"
scale="0.0"/>

<FieldSpecification
name="initialSaturation_Oil"
initialCondition="1"
setNames="{ all }"
objectPath="ElementRegions"
fieldName="phaseVolumeFraction"
component="1"
scale="1.0"/>

<SourceFlux
name="sourceTerm"
objectPath="ElementRegions"
scale="-10"
component="0"
setNames="{ source }"/>

<FieldSpecification
name="sinkTermPressure"
objectPath="ElementRegions"
fieldName="pressure"
scale="5000000"
setNames="{ sink }"/>

<FieldSpecification
name="sinkTermSaturation_gas"
setNames="{ sink }"
objectPath="ElementRegions"
fieldName="phaseVolumeFraction"
component="0"
scale="0.0"/>

<FieldSpecification
name="sinkTermComposition_water"
setNames="{ sink }"
objectPath="ElementRegions"
fieldName="phaseVolumeFraction"
component="1"
scale="1.0"/>
</FieldSpecifications>

<Outputs>
<VTK
name="vtkOutput_JRC10"/>

<TimeHistory
name="timeHistoryOutput"
sources="{/Tasks/phaseVolumeFractionCollection}"
filename="saturationHistory" />

<Restart
name="restartOutput"/>
</Outputs>

<Tasks>
<PackCollection
name="phaseVolumeFractionCollection"
objectPath="ElementRegions/region/cellBlock"
fieldName="phaseVolumeFraction"/>
</Tasks>


<Mesh>
<InternalMesh
name="mesh"
elementTypes="{ C3D8 }"
xCoords="{ 0, 100 }"
yCoords="{ 0, 100 }"
zCoords="{ 0, 1 }"
nx="{ 50 }"
ny="{ 50 }"
nz="{ 1 }"
cellBlockNames="{ cellBlock }"/>
</Mesh>

<Geometry>
<Box
name="source"
xMin="{-0.00001, -0.00001, -0.00001}"
xMax="{ 3, 3, 1.00001}"/>

<Box
name="sink"
xMin="{ 97, 97, -0.00001}"
xMax="{ 101, 101, 1.00001}"/>

</Geometry>

<Events
maxTime="3e5">

<SoloEvent
name="preFracture"
target="/Solvers/SurfaceGenerator"/>

<PeriodicEvent
name="outputs"
timeFrequency="1500"
targetExactTimestep="1500"
target="/Outputs/vtkOutput_JRC10"/>

<PeriodicEvent
name="timeHistoryOutput"
timeFrequency="1500"
targetExactTimestep="1500"
target="/Outputs/timeHistoryOutput" />

<PeriodicEvent
name="timeHistoryCollection"
timeFrequency="1500"
targetExactTimestep="1500"
target="/Tasks/phaseVolumeFractionCollection" />

<PeriodicEvent
name="solverApplications"
maxEventDt="100"
target="/Solvers/FlowSolver"/>
</Events>


</Problem>
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