@TechReport{TowaraNaumann13,
  author      = "Markus Towara and Uwe Naumann",
  title       = "{A Discrete Adjoint Model for OpenFOAM}",
  institution = "RWTH Aachen",
  keywords    = "CFD, OpenFOAM, discrete adjoints, shape optimization",
  year        = "2013",
  number      = "AIB-2013-03",
  month       = feb,
  url         = "http://aib.informatik.rwth-aachen.de/2013/2013-03.ps.gz"
}