Numerična in eksperimentalna analiza utrujanja v lomnomehanskem preskušancu nestandardne oblike; Numerical and experimental analyses of fatigue in a non-standard fracture-mechanics specimen

Central Technological Library of the University of Ljubljana (CTK)

Numerična in eksperimentalna analiza utrujanja v lomnomehanskem preskušancu nestandardne oblike = Numerical and experimental analyses of fatigue in a non-standard fracture-mechanics specimen

Kovše, Igor

V prispevku je prikazana numerična simulacija rasti utrujenostne razpoke pri mešanem lomnem načinu. Postopek je avtomatiziran do te mere, da je kot vhodni podatek potrebno podati le obris območja tj. ... preskušanca, začetno mesto razpoke in materialne parametre, kot končni rezultat pa med drugim dobimo pot razpoke in odnose ▫$K_1(a), K_11(a),N(a)$▫, tj. faktorja intenzitete napetosti in število ciklov v odvisnosti od dolžine razpoke. Za numerične izračune je uporabljena metoda končnih elementov. Rast utrujenostne razpoke je simulirana z vrsto prirastrov razpoke končne dolžine. Mreža končnih elementov je po vsakem prirastku razpoke generirana avtomatično. Numerični rezultati so primerjani s spreskusom na preskušancu nestandardne oblike. Med preskusom smo na osnovi izmerjene podajnosti sproti določali tudi dolžino razpoke.

Source: Materiali in tehnologije = Materials and technology. - ISSN 1580-2949 (37, 1-2, 2003, str. 39-43)

Type of material - article, component part

Publish date - 2003

Language - slovenian

COBISS.SI-ID - 25157125

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Digitalna knjižnica Slovenije - dLib.si

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source: Materiali in tehnologije = Materials and technology. - ISSN 1580-2949 (37, 1-2, 2003, str. 39-43)

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Year	Impact factor		Edition		Category		Classification
Year	JCR	SNIP	JCR	SNIP	JCR	SNIP	JCR	SNIP

Links to authors' personal bibliographies	Links to information on researchers in the SICRIS system
Kovše, Igor	03630

Source: Personal bibliographies and: SICRIS

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