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UID:0-1184@aerospace.technion.ac.il

DTSTART;TZID=Asia/Jerusalem:20250918T133000

DTEND;TZID=Asia/Jerusalem:20250918T143000

DTSTAMP:20250909T072746Z

URL:https://aerospace.technion.ac.il/events/seminar-slot-2025-10-29-2/

SUMMARY:On Saint-Venant Principle for Carbon Nanotubes
DESCRIPTION:Lecturer:Eyal Lerman\n Faculty:The Stephen B. Klein Faculty of 
 Aerospace Engineering at the Technion \n Institute:Technion – Israel Ins
 titute of Technology\n Location:Classroom 165\, ground floor\, Library\, A
 erospace Eng.\n Zoom: https://technion.zoom.us/j/93549691766\n Abstract: \
 n\n\nSaint-Venant Principle (SVP)\, a central principle in both elasticity
  theory and structural mechanics\, states that localized self-equilibratin
 g loads create stress and strain fields that decay with distance from the 
 loaded region. However\, while well established for macroscopic homogeneou
 s structures\, its relevance at the nanoscale is less certain. Carbon nano
 tubes (CNTs)—with their exceptional mechanical properties and slender cy
 lindrical shape provide a unique framework to examine the validity of SVP 
 for elastic structures at the nanoscale.\nThis research studies the validi
 ty of SVP in CNTs subjected to localized axial loading. Analysis is within
  the framework of linear elastic stability theory in conjunction with the 
 nature of nanoscale response. Mathematical models are developed for repres
 entative configurations such as concentric CNT-like beams embedded in elas
 tic media\, systems with unequal radii\, and simultaneous buckling of mult
 ilayer arrangements.\nFindings indicate that localized self-equilibrating 
 loads applied to CNT systems induce axially decaying (exponentially) stres
 s and strain fields\, though the rate and nature of axial decay depend str
 ongly on geometry\, constitutive response\, and interlayer interactions. T
 hese observations suggest that a modified version of SVP applies at the na
 noscale\, advancing our understanding of stress transfer in nanostructures
  and paving the way to future research.\n\n\n\n&nbsp\;\n Details: \n 
CATEGORIES:Seminars,סמינרים
LOCATION:Classroom 165\, ground floor\, Library\, Aerospace Eng.

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