Enable FV particle diffusion operator in 1D particle

Author: jbreue16

src/libcadet/model/particle/GeneralRateParticle.cpp

@@ -119,6 +119,8 @@ namespace model
 		const std::string parSpatialMethod = paramProvider.getString("SPATIAL_METHOD");
 		if (parSpatialMethod == "DG")
 			_parDiffOp = new parts::ParticleDiffusionOperatorDG();
+		else if (parSpatialMethod == "FV")
+			_parDiffOp = new parts::ParticleDiffusionOperatorFV();
 		else
 			throw InvalidParameterException("Unsupported SPATIAL_METHOD '" + parSpatialMethod + "' for GeneralRateParticle. Only 'DG' and 'FV' are supported.");