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UID:0-507@aerospace.technion.ac.il

DTSTART;TZID=Asia/Jerusalem:20150608T163000

DTEND;TZID=Asia/Jerusalem:20150608T173000

DTSTAMP:20230603T192508Z

URL:https://aerospace.technion.ac.il/events/a-hybrid-computational-method-
 for-dynamic-thermal-analysis-of-structures-including-thin-layers/

SUMMARY:A Hybrid Computational Method for Dynamic Thermal Analysis of Struc
 tures Including Thin Layers
DESCRIPTION:Lecturer:Israel Tuval\n Faculty:Department of Aerospace Enginee
 ring\n Institute:Technion – Israel Institute of Technology\n Location:Cl
 assroom 165\, ground floor\, Library\, Aerospace Eng.\n Zoom: \n Abstract:
  \n Details: \n Thin layers appear in many applications in the field of ae
 rospace engineering. Examples include external thin coatings of bare panel
 s exposed to periodic solar radiation\, or the internal thin glue layer co
 nnecting the complex parts in aircraft or satellites\, which are exposed t
 o a sudden thermal shock.\nThe thin layer has different mechanical and the
 rmal properties from its surroundings and is usually smaller by an order o
 f magnitude from its surrounding media.\nThe two opposite approaches to ha
 ndle the modeling and analysis of such thin layers are either to ignore th
 e layer or to fully model it\, using the Finite Element (FE) method for ex
 ample. The former approach may suffer from severe inaccuracy\, while the l
 atter is time consuming for the human modeler and computationally expensiv
 e.\nSpecial asymptotic models that constitute a compromise between these t
 wo approaches have been proposed for linear heat transfer and linear elast
 icity. In these models the thin layer is replaced by an interface of zero 
 thickness\, and specific jump conditions are imposed in order to represent
  the special effect of the layer.\nIn our work we adopt the first-order as
 ymptotic interface model that was developed by Bövik and Benveniste and i
 ncorporate it in a FE formulation for linear time-dependent heat conductio
 n problems. In this seminar we will show the capability of this approach t
 o yield an accurate and efficient computational scheme for both internal a
 nd external thin layers.
CATEGORIES:Seminars
LOCATION:Classroom 165\, ground floor\, Library\, Aerospace Eng.

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DTSTART:20150327T030000

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