Goal-oriented posteriori error estimation and mesh adaptivity with a partition-of-unity dual-weighted residual method applied to stationary fluid-structure interaction
This code is based on www.dealii.org Version 9.1.1. Except UMFPACK (that usually comes as a bundled package), no additional software interfaces are needed.
After downloading these files, you can work with them as in a typical deal.II tutorial step.
A short description can be found at the beginning of the step-fsi.cc file.
More information and some results can be found in the corresponding proceedings paper
http://www.thomaswick.org/links/Wi21_YIC_FSI_adjoint_final.pdf
In case you have questions, please let me know.