TY - RPRT TI - Toward Adjoint-Based Aeroacoustic Optimization for Propeller and Rotorcraft Applications AU - R Omur Icke AU - Oktay Baysal AU - Andy Moy AU - Leonard Lopes AU - Beckett Zhou AU - Boris Diskin UR - https://ntrs.nasa.gov/citations/20200011452 ID - 20200011452 ER -