setZ0:

Aplication for setting nonUniform z0 to a patch(C++). Part of thesis submitted to the Delft Univerity of Technology in partial fulfillment of the requirements for the degree of Master of Science in Geomatics. Author: Christina Fratzeskou

Tested on OpenFoam v7 on Ubuntu 18.04LTS on Windows10.

Requirements:

• An installation of OpenFoam v7

Installation:

• Download setZ0.C, Make folder
• Add the Make and setZ0 file to a directory
• Compile using wmake

Case preparation:

• Copy setZ0Dict to the /constant folder of your case, and modify it (Make sure landcover classification match the one in the .obj and .mtl files).
• Prepare boundary and initial conditions
• Mesh generation (Suggested OpenFOAM mesh tools: blockMesh, surfaceFeatures, snappyHexMesh)

Input:

• An obj file for the input geometry, with landcover classification
• A .mtl file with landcover classification

Example usage: Linux shell command:

• Setting non uniform z0 to a ground patch: setZ0 0/nut -entry boundaryField.terrain.z0 -setZ0Ground terrain [optional] -setZ0NoGeom 0.5 -writeCoords -writeZ0 -exportToVtk

• Set non uniform z0 to the inlet patch: setZ0 0/epsilon -entry boundaryField.inlet.z0 -setZ0Inlet inlet [optional] -setParams -writeCoords -writeZ0 -exportToVtk