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Turbulence model could enhance rotorcraft, munitions performance

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IMAGE: A new modeling approach allows engineers to simulate an entire vortex collision without needing to do extensive data processing on a supercomputer.
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Credit: Purdue University/Carlo Scalo
RESEARCH TRIANGLE PARK, N.C. Design of Army aerial vehicles and weapon systems relies on the ability to predict aerodynamic behavior, often aided by advanced computer simulations of the flow of air over the body. High-fidelity simulations assist engineers in maximizing how much load a rotorcraft can lift or how far a missile can fly, but these simulations aren t cheap.
The simulations that designers currently use require extensive data processing on supercomputers and capture only a portion of vortex collision events - which can cause significant performance degradation, from loss of lift on a rotor to complete loss of control of a munition. A new turbulence model could change that. ....

Matthew Munson , Carlo Scalo , Purdue University , Acoustics Lab , Army Futures , Army Research Laboratory , Department Of Defense , Rosen Center , Us Army Combat Capabilities Development , Army Research Office , Nc Design Of Army , Combat Capabilities Development Command , Fluid Mechanics , Program Manager , Fluid Dynamics , Compressible Flow , Advanced Computing , Force Research Laboratory Department , Defense Supercomputing Resource Center , Research Laboratory , Combat Capabilities Development , மேத்யூ முன்சன் , பர்‌ட்யூ பல்கலைக்கழகம் , ஒலியியல் ஆய்வகம் , இராணுவம் எதிர்காலங்கள் , இராணுவம் ஆராய்ச்சி ஆய்வகம் ,

Turbulence model could help design aircraft capable of handling extreme scenarios

Turbulence model could help design aircraft capable of handling extreme scenarios
Note to journalists: A video about the development of this model is available on YouTube. For a copy of the paper, please contact Kayla Wiles, Purdue News Service, at wiles5@purdue.edu or 765-494-2432. Photos and video of the research process and simulations are available via Google Drive. Journalists visiting campus should follow visitor health guidelines.
Engineers make it possible to simulate complete ‘dance’ of colliding vortices at reduced computational time
WEST LAFAYETTE, Ind. In 2018, passengers onboard a flight to Australia experienced a terrifying 10-second nosedive when a vortex trailing their plane crossed into the wake of another flight. The collision of these vortices, the airline suspected, created violent turbulence that led to a free fall. ....

United States , Rebecca Mcelhoe , Xinran Zhao , Matthew Munson , Carlo Scalo , Jean Baptiste Chapelier , Zongxin Yu , Most Innovative University , Purdue University , Rosen Center , Department Of Defense , Army Research Office Young Investigator Program , La News Service , Purdue News Service , Army Research Office , Large Eddy Simulation , Fluid Dynamics , Combat Capabilities Development Command , Army Research , Young Investigator Program , Advanced Computing , Force Research Laboratory Department , Defense Supercomputing Resource Center , Innovative University , World Report , Kayla Wiles ,