Modeliranje mehanskega odziva anizotropne pločevine pri velikih plastičnih deformacijah : doktorsko delo
Starman, Bojan, 1985-
Tekom procesa preoblikovanja je pločevina podvržena obremenitvam, pri katerih je napetostno deformacijsko stanje v pločevini velikokrat na meji porušitve. Za pravilno in verodostojno napoved mejnega ...stanja preoblikovalnosti je izbiran ustrezni fizikalno objektivni konstitutivni model, ki temelji na popisu plastične anizotropije, utrjevanja in fenomenov mehanike poškodbe. Model je implementiran v programsko kodo končnih elementov, za določitev parametrov modela so izvedeni mehanski preizkusi standardnih nateznih, strižnih in zarezanih preizkušancev. Na primerih numeričnih simulacij je pokazano, da ima pri napovedi končnega stanja ključno vlogo pravilen popis omenjenih fenomenov na podlagi izvedenih mehanskih preizkusov, prikazana metodologija pa rezultira v izboljšani napovedi mejnega stanja preoblikovalnosti.
Type of material - dissertation
; adult, serious
Publication and manufacture - Ljubljana : [B. Starman], 2013
Dr STARMAN B. Modeliranje IN: 00058785
Dr STARMAN B. Modeliranje IN: 00058785
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