plasmaReactingFoam read permittivity electron mobility and electric potential field

applications/solvers/combustion/plasmaReactingFoam/createFields.H

@@ -1,3 +1,42 @@
+Info<< "Reading physicalProperties\n" << endl;
+
+IOdictionary physicalProperties
+(
+    IOobject
+    (
+        "physicalProperties",
+        runTime.constant(),
+        mesh,
+        IOobject::MUST_READ_IF_MODIFIED,
+        IOobject::NO_WRITE
+    )
+);
+
+dimensionedScalar epsilon0
+(
+    physicalProperties.lookup("epsilon0")
+);
+
+dimensionedScalar k
+(
+    physicalProperties.lookup("k")
+);
+
+
+Info<< "Reading field Phi\n" << endl;
+volScalarField Phi
+(
+    IOobject
+    (
+        "Phi",
+        runTime.timeName(),
+        mesh,
+        IOobject::MUST_READ,
+        IOobject::AUTO_WRITE
+    ),
+    mesh
+);
+
 Info<< "Creating reaction model\n" << endl;
 
 autoPtr<combustionModels::psiCombustionModel> reaction