PETSc
=====

Webpage: https://www.mcs.anl.gov/petsc

PETSc is a numerical solver library written in C.

Main contribution 1
^^^^^^^^^^^^^^^^^^^

Integration of the `Mmg and ParMmg <https://www.mmgtools.org>`__ metric-based
mesh adaptation tools into PETSc. Both Mmg and ParMmg are written in C.

Project information 1
"""""""""""""""""""""

This work was done as part of my postdoc at `Imperial College London
<https://www.imperial.ac.uk>`__, which was funded by an `ARCHER2 eCSE
<https://www.archer2.ac.uk/ecse>`__ grant from `EPCC
<https://www.epcc.ed.ac.uk>`__.

Resources 1
"""""""""""

* Research note describing this work: :cite:`WK22a`.
* Report describing the postdoc more generally: :cite:`WP22`.
* `PETSc manual page
  <https://petsc.org/release/manual/dmplex/#metric-based-mesh-adaptation>`__.
* `ARCHER2 seminar recording
  <https://www.archer2.ac.uk/training/courses/220728-firedrake-vt>`__.
* `News item on Mmg website
  <https://www.mmgtools.org/mmg-simplicial-remesher/mmg-and-parmmg-are-now-available-within-petsc>`__.

Main contribution 2
^^^^^^^^^^^^^^^^^^^

Integration of the `ADOL-C <https://github.com/coin-or/ADOL-C>`__ automatic
differentiation tool into PETSc. ADOL-C is written in C++.

Project information 2
"""""""""""""""""""""

This work was done during an internship at `Argonne National Laboratory
<https://www.anl.gov>`__.

Resources 2
"""""""""""

* Preprint describing this work: :cite:`WH19`.