Geometrijsko in napetostno stanje ravninskih geometrijsko nelinearno prednapetih nosilcev : magistrsko delo magistrskega študijskega programa II. stopnje

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Geometrijsko in napetostno stanje ravninskih geometrijsko nelinearno prednapetih nosilcev : magistrsko delo magistrskega študijskega programa II. stopnje

Cotič, Klemen, strojnik

V tej nalogi je na izvirno predlagani obliki konstrukcije z ravninskim nosilcem in paličjem predstavljeno geometrijsko nelinearno prednapetje vitkih nosilcev s prednostmi, ki jih prinaša v smislu ... togosti in stabilnosti. Delo je osnovano na geometrijsko točni formulaciji Euler-Bernoullijeve teorije ravninskih nosilcev konstantnega pravokotnega prereza za linearno elastični snovni model pri majhnih specifičnih deformacijah, ki je tu v celoti izpeljana iz enačb splošne prostorske teorije mehanike deformabilnih teles pri velikih premikih. Velik poudarek je na uporabi energijskih metod za modeliranje paličja po metodi Lagrangeovih množiteljev in numerični aproksimaciji s kombinacijo Newton- Raphsonove ter Ritzove metode. Teoretsko-numerični model je naknadno potrjen na osnovi eksperimenta. Predstavljeni so rezultati preračunov treh primerov konstrukcij na osnovi vitkega nosilca; s primerjavo njihove togosti ter poteka notranjih momentov v nosilcu je dokazano, da predlagana zasnova predstavlja zelo dobro rešitev. V zaključku še povzamemo rezultate in predlagamo smernice za nadaljnje delo.

Type of material - master's thesis ; adult, serious

Publication and manufacture - Ljubljana : [K. Cotič], 2014

Language - slovenian

COBISS.SI-ID - 13823003

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Library/institution	City	Acronym	For loan	Other holdings
Faculty of Mechanical Engineering, Ljubljana	Ljubljana	FSLJ	reading room 1 cop.

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Cotič, Klemen, strojnik
Kosel, Franc	01698

Source: Personal bibliographies and: SICRIS

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