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UID:0-291@aerospace.technion.ac.il

DTSTART;TZID=Asia/Jerusalem:20201130T163000

DTEND;TZID=Asia/Jerusalem:20201130T173000

DTSTAMP:20230525T085234Z

URL:https://aerospace.technion.ac.il/events/aero-thermal-elastic-modelling
 -of-plates-in-hypersonic-flow/

SUMMARY:Aero-thermal-elastic modelling of plates in hypersonic flow
DESCRIPTION:Lecturer:Maxim Freydin\n Faculty:Department of Aerospace Engine
 ering\n Institute:Technion – Israel Institute of Technology\n Location:h
 ttps://technion.zoom.us/j/91489432408\n Zoom: \n Abstract: \n Details: \n 
 Fluid-structure interaction in hypersonic flow has seen an increased inter
 est among researchers in response to the worldwide race to sustainable hyp
 ersonic flight. The interaction between inertial\, elastic\, aerodynamic\,
  and thermal loads in high Mach flows is an extension of classical aeroela
 sticity. To investigate the fundamental physics that govern the aero-therm
 al-elastic interaction\, elastic plates are utilized in super/hypersonic w
 ind tunnel experiments for their relative simplicity of installation\, man
 ufacture\, and analysis. Numerous recent experiments investigated the resp
 onse of elastic plates using advanced measurement techniques (for pressure
 \, temperature\, and deformation) focusing on shock-wave/boundary-layer an
 d structure interaction\, flutter onset and limit-cycle oscillation\, and 
 impinging shock effects\, with more planned for the upcoming years. Many o
 f those experimental studies are published with little\, and in some cases
  no\, computational or theoretical fluid-structure analysis. This demonstr
 ates the need for accurate and accessible theoretical models for the analy
 sis of plates in hypersonic flow with the different physical effects inclu
 ded. In the present work\, theoretical-computational models of plates in h
 ypersonic flow are derived and formulated to be used in linear and nonline
 ar analysis of static and dynamic problems. An overview of the derivation 
 of a plate-cavity-freestream model is presented. A novel structural model 
 is derived that includes the effect of elastic in-plane edge constraints\,
  which is shown to be important to the nonlinear static and dynamic plate 
 response. Analysis of recent experiments conducted by researchers from the
  US Air Force Research Laboratory and the University of Maryland is presen
 ted with correlation between theory and experiment.\nZoom meeting
CATEGORIES:Seminars
LOCATION:https://technion.zoom.us/j/91489432408

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