# PETSc Example (navier-stokes-2d-SLEPc-complex.edp)

**URL:** https://community.freefem.org/t/petsc-example-navier-stokes-2d-slepc-complex-edp/1021
**Category:** General Discussion
**Created:** [June 9, 2021, 5:13pm UTC](https://community.freefem.org/t/petsc-example-navier-stokes-2d-slepc-complex-edp/1021 "2021-06-09T17:13:51Z")
**Posts on this page:** 1
**Showing post:** 2

<div class="post-metadata">

### Author: ![prj](https://avatars.discourse-cdn.com/v4/letter/p/ecae2f/32.png) [@prj](https://community.freefem.org/u/prj)
#### Post date: [June 10, 2021, 5:10am UTC](https://community.freefem.org/t/petsc-example-navier-stokes-2d-slepc-complex-edp/1021/2 "2021-06-10T05:10:46Z")

</div>

It is exactly the same problem as in [Augmented Lagrangian preconditioner for large-scale hydrodynamic stability analysis - ScienceDirect](https://www.sciencedirect.com/science/article/pii/S0045782519301914), but in 2D instead of 3D.

---

_[View the full topic](https://community.freefem.org/t/petsc-example-navier-stokes-2d-slepc-complex-edp/1021)._