[PL/LiquidFlow] Mv MPL porosity to MPL solid phase.

ProcessLib/LiquidFlow/LiquidFlowLocalAssembler-impl.h

@@ -176,7 +176,7 @@ void LiquidFlowLocalAssembler<ShapeFunction, IntegrationMethod, GlobalDim>::
                     t, dt);
 
         auto const porosity =
-            medium->property(MaterialPropertyLib::PropertyType::porosity)
+            solid_phase.property(MaterialPropertyLib::PropertyType::porosity)
                 .template value<double>(vars, pos, t, dt);
         auto const storage =
             solid_phase.property(MaterialPropertyLib::PropertyType::storage)

ProcessLib/LiquidFlow/LiquidFlowProcess.cpp

@@ -32,7 +32,6 @@ void checkMPLProperties(
 
     std::array const requiredPropertyMedium = {
         MaterialPropertyLib::reference_temperature,
-        MaterialPropertyLib::PropertyType::porosity,
         MaterialPropertyLib::PropertyType::permeability};
 
     std::array const requiredPropertyLiquidPhase = {
@@ -40,6 +39,7 @@ void checkMPLProperties(
         MaterialPropertyLib::PropertyType::density};
 
     std::array const requiredPropertySolidPhase = {
+        MaterialPropertyLib::PropertyType::porosity,
         MaterialPropertyLib::PropertyType::storage};
 
     for (auto const& element : mesh.getElements())