TY - RPRT TI - An Exact Dual Adjoint Solution Method for Turbulent Flows on Unstructured Grids AU - Nielsen, Eric J. AU - Lu, James AU - Park, Michael A. AU - Darmofal, David L. PY - 2003 UR - https://ntrs.nasa.gov/citations/20030007920 ID - 20030007920 ER -