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UID:0-1598@aerospace.technion.ac.il

DTSTART;TZID=Asia/Jerusalem:20261005T133000

DTEND;TZID=Asia/Jerusalem:20261005T143000

DTSTAMP:20260713T133551Z

URL:https://aerospace.technion.ac.il/events/seminar-yishai-glam-5oct2026/

SUMMARY:Aeroelasticity of Plates with Nonuniform Boundary Conditions Rangin
 g from Pinned to Clamped
DESCRIPTION:Lecturer:Yishai Glam\n Faculty:The Stephen B. Klein Faculty of 
 Aerospace Engineering\n Institute:Technion – Israel Institute of Technol
 ogy\n Location:Classroom 240\, 1st floor\, Aerospace Eng. building\n Zoom:
  https://technion.zoom.us/j/98372598857\n Abstract: The aeroelastic stabil
 ity and dynamic response of thin panels are important considerations in ae
 rospace structures design. Traditional nonlinear Rayleigh-Ritz (RR) analys
 is struggles when applied to panels with nonuniform boundary conditions (B
 Cs) or local constraints. Generating the necessary global basis functions 
 is difficult\, often leading to slow convergence and requiring many modes.
 \nThis study combines the Finite Element Method (FEM) for modeling arbitra
 ry BCs with the computational efficiency of the RR method for incorporatin
 g geometric nonlinearity. First\, an eigenvalue problem is solved in FEM w
 ith arbitrary BCs. The resulting eigenmodes are used as basis functions to
  compute structural tensors in the RR scheme\, with an appropriate modific
 ation to the potential energy terms. This hybrid FEM-RR approach is valida
 ted against a commercial solver.\nWe apply this to explore how locally sti
 ffened edges\, representing rivet patterns\, affect supersonic aeroelastic
  response. Eigenvalue analysis shows that specific nonuniform BCs can sign
 ificantly delay flutter onset\, opening the way for design optimization. H
 owever\, time-marching the nonlinear structural equations reveals a trade-
 off: stress analyses indicate that while flutter onset is delayed\, edge s
 tress concentrations might lead to earlier structural failure in the post-
 flutter regime than without restraints.\n\nThis work is towards an M.Sc. d
 egree under the supervision of Assistant Prof. Maxim Freydin\, The Stephen
  B. Klein Faculty of Aerospace Engineering\, Technion.\n Details: \n 
CATEGORIES:Seminars
LOCATION:Classroom 240\, 1st floor\, Aerospace Eng. building

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