. "Klus\u00E1k, Jan" . "[33E0995717D4]" . . "14" . . "RIV/68081723:_____/07:00094876" . . . . "Engineering Mechanics" . . "Crack initiation criteria for singular stress concentrations Part I: A universal assessment of singular stress concentrations" . "3"^^ . . . . . . "Krit\u00E9ria iniciace trhlin ze singul\u00E1rn\u00EDch koncentr\u00E1tor\u016F nap\u011Bt\u00ED. \u010C\u00E1st I: Obecn\u00E9 posouzen\u00ED singul\u00E1rn\u00EDch koncentr\u00E1tor\u016F nap\u011Bt\u00ED"@cs . "415219" . "3"^^ . "In the contribution the limits of the validity of standard crack linear elastic fracture mechanics are extended to problems connected with failure of structures caused by general non-crack-like singular stress concentrators. In the present part of the contribution a universal approach to assessment of general singular stress concentrators in terms of linear elastic fracture mechanics is formulated. The approach suggested in this part of the paper facilitates the answer to the question whether or not a crack forms in the vicinity of the stress concentrator and what the parameters controlling crack initiation are. The presented approach follows the basic idea of linear elastic fracture mechanics, i.e. the validity of small scale yielding conditions is assumed, and has a phenomenological character." . "Crack initiation criteria for singular stress concentrations Part I: A universal assessment of singular stress concentrations"@en . . "10"^^ . "1802-1484" . . "Crack initiation criteria for singular stress concentrations Part I: A universal assessment of singular stress concentrations" . "Kn\u00E9sl, Zden\u011Bk" . "fracture mechanics; stability criteria; singular stress concentrations; crack initiation; critical stress"@en . . . . "In the contribution the limits of the validity of standard crack linear elastic fracture mechanics are extended to problems connected with failure of structures caused by general non-crack-like singular stress concentrators. In the present part of the contribution a universal approach to assessment of general singular stress concentrators in terms of linear elastic fracture mechanics is formulated. The approach suggested in this part of the paper facilitates the answer to the question whether or not a crack forms in the vicinity of the stress concentrator and what the parameters controlling crack initiation are. The presented approach follows the basic idea of linear elastic fracture mechanics, i.e. the validity of small scale yielding conditions is assumed, and has a phenomenological character."@en . "CZ - \u010Cesk\u00E1 republika" . "Krit\u00E9ria iniciace trhlin ze singul\u00E1rn\u00EDch koncentr\u00E1tor\u016F nap\u011Bt\u00ED. \u010C\u00E1st I: Obecn\u00E9 posouzen\u00ED singul\u00E1rn\u00EDch koncentr\u00E1tor\u016F nap\u011Bt\u00ED"@cs . "RIV/68081723:_____/07:00094876!RIV08-AV0-68081723" . . "Crack initiation criteria for singular stress concentrations Part I: A universal assessment of singular stress concentrations"@en . "P(GA101/05/0227), P(GA101/05/0320), Z(AV0Z20410507)" . . "N\u00E1hl\u00EDk, Lubo\u0161" . . "Meze pou\u017Eit\u00ED line\u00E1rn\u00ED elastick\u00E9 lomov\u00E9 mechaniky jsou v p\u0159\u00EDsp\u011Bvku roz\u0161\u00ED\u0159eny na probl\u00E9my spojen\u00E9 s poru\u0161en\u00EDm t\u011Bles zp\u016Fsoben\u00FDm obecn\u00FDm singul\u00E1rn\u00EDm koncentr\u00E1torem nap\u011Bt\u00ED s exponentem singularity r\u016Fzn\u00FDm od 1/2. V \u010D\u00E1sti I p\u0159\u00EDsp\u011Bvku je formulov\u00E1n obecn\u00FD p\u0159\u00EDstup k posouzen\u00ED singul\u00E1rn\u00EDch koncentr\u00E1tor\u016F nap\u011Bt\u00ED v r\u00E1mci platnosti line\u00E1rn\u00ED elastick\u00E9 lomov\u00E9 mechaniky. Navr\u017Een\u00FD p\u0159\u00EDstup umo\u017E\u0148uje posoudit, zda a za jak\u00FDch podm\u00EDnek se bude v t\u011Blesech s popsan\u00FDmi singul\u00E1rn\u00EDmi koncentr\u00E1tory nap\u011Bt\u00ED iniciovat trhlina. Navr\u017Een\u00FD p\u0159\u00EDstup p\u0159edpokl\u00E1d\u00E1 platnost line\u00E1rn\u00ED elastick\u00E9 lomov\u00E9 mechaniky, tj. plastick\u00E9 z\u00F3ny mal\u00E9ho rozsahu a m\u00E1 fenomenologick\u00FD charakter."@cs . . "6" . "399;408" . .