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UID:0-496@aerospace.technion.ac.il

DTSTART;TZID=Asia/Jerusalem:20160113T163000

DTEND;TZID=Asia/Jerusalem:20160113T173000

DTSTAMP:20230603T192158Z

URL:https://aerospace.technion.ac.il/events/dynamic-aeroelastic-simulation
 -of-the-deployment-process-of-a-wing-with-variable-sweep-angle/

SUMMARY:Dynamic Aeroelastic Simulation of the Deployment Process of a Wing 
 with Variable Sweep Angle
DESCRIPTION:Lecturer:Aviv Romm\n Faculty:Department of Aerospace Engineerin
 g\n Institute:Technion – Israel Institute of Technology\n Location:Class
 room 165\, ground floor\, Library\, Aerospace Eng.\n Zoom: \n Abstract: \n
  Details: \n New challenges in aerodynamic design of flight vehicles are s
 ometimes met by changing the wing sweep angle during flight. Simulations o
 f the wing deployment or folding process should include aeroelastic dynami
 c loads analysis for structural and mechanical design. The presented work 
 expands common aeroelastic procedures to simulate the morphing process usi
 ng the Increased Order Modeling approach.  The analyzed case is response 
 to gust excitation during rapid change of the wing sweep angle.  A freque
 ncy-domain dynamic gust response is first performed for a nominal sweep an
 gle with the wing and body components represented by separate model coordi
 nates that are coupled to satisfy the interface displacement compatibility
 .  A time marching simulation is then performed to modify the nominal res
 ponse in a way that takes into account the changing external excitation\, 
 structural and aerodynamic effects. Each time step involves modifications 
 of the interface compatibility constraints\, the unsteady aerodynamic forc
 e coefficients and the gust incidence angles\, using a previously acquired
  database.  The process returns to frequency-domain formulation for final
  calculation of the structural response and dynamic loads.
CATEGORIES:Seminars
LOCATION:Classroom 165\, ground floor\, Library\, Aerospace Eng.

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