[FiPy](https://www.ctcms.nist.gov/fipy) is a finite volume code that can use PETSc as one possible solver suite. See:
https://github.com/usnistgov/fipy/tree/master/fipy/solvers/petsc https://github.com/usnistgov/fipy/blob/master/fipy/matrices/petscMatrix.py Caveat: It’s not intended as an instructional example, if that’s what you’re looking for. On Feb 22, 2021, at 2:59 PM, Lisandro Verga <[email protected]> wrote: Dear PETSc Team, I would like to ask you if there a finite volume solver build using the PETSc data structure. I have found several manuscripts or presentations that mention that but I cannot retrieve an example it. Thank you. Regards,
