• Zoran J Marković, Laboratorija za termotehniku i energetiku, Institut za nuklearne nauke Vinča, Univerzitet u Beogradu, Srbija
  • Zoran Bojanić, Univerzitet u Beogradu, Mašinski fakultet, Srbija
  • Predrag Lj Stefanović, Laboratorija za termotehniku i energetiku, Institut za nuklearne nauke Vinča, Univerzitet u Beogradu, Srbija
  • Dejan B Cvetinović, Laboratorija za termotehniku i energetiku, Institut za nuklearne nauke Vinča, Univerzitet u Beogradu, Srbija
  • Nikola V Živković, Laboratorija za termotehniku i energetiku, Institut za nuklearne nauke Vinča, Univerzitet u Beogradu, Srbija
  • Rastko Jovanović, Laboratorija za termotehniku i energetiku, Institut za nuklearne nauke Vinča, Univerzitet u Beogradu, Srbija
  • Zoran Pavlović, Laboratorija za termotehniku i energetiku, Institut za nuklearne nauke Vinča, Univerzitet u Beogradu, Srbija

Parametarska bifurkaciona analiza aksijalno pritisnutih slobodno oslonjenih cilindričnih ljuski korišćenjem metode konačnih elemenata

  • U radu su predstavljeni rezultati parametarske numeričke bifurkacione analize aksijalno pritisnutih, elastičnih, slobodno oslonjenih cilindara, različitih geometrijskih karakteristika. Korišćenjem metode konačnih elemenata i programskog paketa Ansys, proračunate su vrednosti aksijalnog pritiska pri kojima dolazi do gubitka stabilnosti i određeni pripadajući sopstveni vektori (najniži modovi) za analizirane modele cilindara. Dobijeni rezultati ukazuju na to da nosivost aksijalnog opterećenja slobodno oslonjenog cilindra značajno opada sa porastom odnosa poluprečnika i debljine zida cilindra. S druge strane, krutost cilindra na aksijalno opterećenje lagano opada sa porastom odnosa dužine i poluprečnika cilindra u posmatranoj oblasti geometrijskih karakteristika.

  • Ključne reči
  • Stranice
    263 - 282
  • UDC
    UDC: 539.3/.4:517.96
  • BIBLID
    0350-218X, 35 (2009), 3-4, 263-282
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