Openfoam Links which I found very useful for **Openfoam** usage. - Cyprien's lecture [Link](https://www.cypriensoulaine.com/_files/ugd/7ed8dc_d2581046d60b4474ade1348c1ca7830b.pdf) - Plot residual from solver [Link](https://www.cfd-online.com/Forums/openfoam-community-contributions/64146-tutorial-how-plot-residuals.html) - BlockMesh tutorial [Link](http://www.wolfdynamics.com/wiki/meshing_OF_blockmesh.pdf)