Complex sentence: Historically, Physics of Fluids was published with the cooperation of the American Physical Society's Division of Fluid Dynamics; starting in 2016, the journal affiliated with APS-DFD will be the new Physical Review Fluids, to be published by the American Physical Society.
Split into simpler sentences: Historically, Physics of Fluids was published in cooperation with the American Physical Society's Division of Fluid Dynamics (APS-DFD). Starting in 2016, the journal affiliated with the APS-DFD will be the new Physical Review Fluids, to be published by the American Physical Society.