{"id":243,"date":"2018-03-19T11:01:40","date_gmt":"2018-03-19T10:01:40","guid":{"rendered":"http:\/\/ldf.mendelu.cz\/testhardis\/?page_id=243"},"modified":"2020-01-09T01:06:38","modified_gmt":"2020-01-09T00:06:38","slug":"fem-modelling","status":"publish","type":"page","link":"https:\/\/hardis.org\/?page_id=243","title":{"rendered":"Metoda Kone\u010dn\u00fdch Prvk\u016f (MKP)"},"content":{"rendered":"

D\u0159evo je bun\u011b\u010dn\u00fd heterogenn\u00ed materi\u00e1l, kter\u00fd vykazuje vysok\u00fd stupe\u0148 anizotropie. Jeho chov\u00e1n\u00ed je neline\u00e1rn\u00ed, zejm\u00e9na p\u0159i tlakov\u00e9m zat\u00ed\u017een\u00ed. V\u00a0drtiv\u00e9 v\u011bt\u0161in\u011b p\u0159\u00edpad\u016f se pro deforma\u010dn\u011b\u2013nap\u011b\u0165ovou anal\u00fdzu d\u0159eva pou\u017e\u00edv\u00e1 homogenn\u00ed, ortotropn\u00ed, elastick\u00fd nebo elasto\u2013plastick\u00fd model materi\u00e1lu. Heterogenita tohoto materi\u00e1lu je nahodil\u00e1 a bylo by ji obt\u00ed\u017en\u00e9 do anal\u00fdzy zahrnout. Z\u00a0tohoto d\u016fvodu se v\u00fdpo\u010dtov\u00fd model homogenizuje. Ortotropn\u00ed znamen\u00e1, \u017ee vykazuje odli\u0161n\u00e9 chov\u00e1n\u00ed ve t\u0159ech navz\u00e1jem kolm\u00fdch sm\u011brech. V\u00a0na\u0161em p\u0159\u00edpad\u011b ve sm\u011bru osov\u00e9m L, radi\u00e1ln\u00edm R a obvodov\u00e9m T.<\/p>\n

Pro predikci iniciace a n\u00e1sledn\u00e9ho \u0161\u00ed\u0159en\u00ed poru\u0161en\u00ed mohou b\u00fdt pou\u017eity dva z\u00e1kladn\u00ed typy model\u016f. Jedn\u00edm z\u00a0nich je sv\u00e1zan\u00fd model, u kter\u00e9ho se po\u0161kozen\u00ed a elastick\u00e1 nebo elasto\u2013plastick\u00e1 deformace ovliv\u0148uj\u00ed navz\u00e1jem. Dal\u0161\u00edm typem je model nesv\u00e1zan\u00fd, u kter\u00e9ho je po\u0161kozen\u00ed z\u00e1visl\u00e9 pouze na deformaci, kter\u00e1 nen\u00ed zp\u011btn\u011b ovliv\u0148ov\u00e1na po\u0161kozen\u00edm. Poru\u0161en\u00ed se nej\u010dast\u011bji modeluje pomoc\u00ed explicitn\u00ed MKP, kde je r\u016fst trhliny realizov\u00e1n pomoc\u00ed maz\u00e1n\u00ed prvk\u016f (viz obr\u00e1zek).<\/p>\n

\"\"<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

D\u0159evo je bun\u011b\u010dn\u00fd heterogenn\u00ed materi\u00e1l, kter\u00fd vykazuje vysok\u00fd stupe\u0148 anizotropie. Jeho chov\u00e1n\u00ed je neline\u00e1rn\u00ed, zejm\u00e9na p\u0159i tlakov\u00e9m zat\u00ed\u017een\u00ed. V\u00a0drtiv\u00e9 v\u011bt\u0161in\u011b p\u0159\u00edpad\u016f se pro deforma\u010dn\u011b\u2013nap\u011b\u0165ovou anal\u00fdzu d\u0159eva pou\u017e\u00edv\u00e1 homogenn\u00ed, ortotropn\u00ed, elastick\u00fd nebo elasto\u2013plastick\u00fd model materi\u00e1lu. Heterogenita tohoto materi\u00e1lu je nahodil\u00e1 a…
\u010c\u00edst v\u00edce<\/a><\/p>\n","protected":false},"author":4,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-243","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/hardis.org\/index.php?rest_route=\/wp\/v2\/pages\/243","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hardis.org\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/hardis.org\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/hardis.org\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/hardis.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=243"}],"version-history":[{"count":12,"href":"https:\/\/hardis.org\/index.php?rest_route=\/wp\/v2\/pages\/243\/revisions"}],"predecessor-version":[{"id":395,"href":"https:\/\/hardis.org\/index.php?rest_route=\/wp\/v2\/pages\/243\/revisions\/395"}],"wp:attachment":[{"href":"https:\/\/hardis.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=243"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}