{"id":173,"date":"2023-12-20T08:29:35","date_gmt":"2023-12-20T08:29:35","guid":{"rendered":"https:\/\/hpcncc.vilniustech.lt\/?page_id=173"},"modified":"2023-12-20T08:29:35","modified_gmt":"2023-12-20T08:29:35","slug":"dem-modeliavimas","status":"publish","type":"page","link":"https:\/\/hpcncc.vilniustech.lt\/?page_id=173","title":{"rendered":"DEM modeliavimas"},"content":{"rendered":"\n<p>Diskre\u010di\u0173j\u0173 element\u0173 metodas (DEM) yra in\u017einerinis skai\u010diavimo metodas, skirtas modeliuoti kiet\u0173j\u0173 daleli\u0173 s\u0105veik\u0105 ir elges\u012f. \u0160is metodas yra naudojamas daugelyje mokslo ir in\u017einerijos sri\u010di\u0173, toki\u0173 kaip geomechanika, chemija, ma\u0161in\u0173 in\u017einerija, bioin\u017einerija ir kt.<\/p>\n\n\n\n<p>Pagrindinis diskre\u010di\u0173j\u0173 element\u0173 metodo principas yra tai, kad sistema yra suskirstoma \u012f diskre\u010dias daleles arba elementus, kuriuos s\u0105veikos j\u0117gos veikia tarpusavyje arba su aplinka. Kiekviena dalel\u0117 turi savo unikali\u0105 geometrij\u0105, mas\u0119 ir s\u0105veikos charakteristikas su kitomis dalel\u0117mis. \u0160ios s\u0105veikos gali b\u016bti skirtingos, pvz., gr\u0117sm\u0117s, trintis, susid\u016brimai, deformacijos ir pan.<\/p>\n\n\n\n<p>Vienas i\u0161 pagrindini\u0173 diskre\u010di\u0173j\u0173 element\u0173 metodo prana\u0161um\u0173 yra galimyb\u0117 modeliuoti sud\u0117tingus k\u016bn\u0173 jud\u0117jimo, deformacij\u0173 ir s\u0105veikos scenarijus, kai \u012fvyksta s\u0105veikos tarp daugyb\u0117s daleli\u0173. Tai leid\u017eia i\u0161samiai i\u0161tirti ir suprasti, kaip k\u016bnai elgiasi \u012fvairiomis s\u0105lygomis, pavyzd\u017eiui, d\u0117l apkrov\u0173, susid\u016brim\u0173 ar kit\u0173 \u012fvyki\u0173.<\/p>\n\n\n\n<p>Nepaisant privalum\u0173, yra ir tr\u016bkum\u0173. Modeliavimas su dideliu kiekiu daleli\u0173 gali reikalauti dideli\u0173 skai\u010diavimo resurs\u0173, toki\u0173 kaip kompiuterio galia ir atmintis. Be to, tinkamai nustatant daleli\u0173 s\u0105veikas ir charakteristikas gali kilti i\u0161\u0161\u016bki\u0173, o netikslios ar neteisingos s\u0105veikos modeliavimo metu gali lemti netikslus rezultatus.<\/p>\n\n\n\n<p>Diskre\u010di\u0173j\u0173 element\u0173 metodas gali b\u016bti naudingas \u012fvairiuose modeliavimo scenarijuose, pradedant chemini\u0173 reakcij\u0173 simuliacija, mechanini\u0173 konstrukcij\u0173 elgsenos analize iki daleli\u0173 sraut\u0173 modeliavimo procesuose. Tai leid\u017eia in\u017einieriams ir mokslininkams tiksliau suprasti ir prognozuoti fizinius rei\u0161kinius, taip prisidedant prie naujovi\u0173 k\u016brimo ir efektyvesnio in\u017einerinio sprendimo formavimo.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Diskre\u010di\u0173j\u0173 element\u0173 metodas (DEM) yra in\u017einerinis skai\u010diavimo metodas, skirtas modeliuoti kiet\u0173j\u0173 daleli\u0173 s\u0105veik\u0105 ir elges\u012f. \u0160is metodas yra naudojamas daugelyje mokslo ir in\u017einerijos sri\u010di\u0173, toki\u0173 kaip geomechanika, chemija, ma\u0161in\u0173 in\u017einerija, bioin\u017einerija ir kt. Pagrindinis diskre\u010di\u0173j\u0173 element\u0173 metodo principas yra tai, kad sistema yra suskirstoma \u012f diskre\u010dias daleles arba elementus, kuriuos s\u0105veikos j\u0117gos veikia tarpusavyje arba &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/hpcncc.vilniustech.lt\/?page_id=173\"> <span class=\"screen-reader-text\">DEM modeliavimas<\/span> Skaityti daugiau &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-173","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/hpcncc.vilniustech.lt\/index.php?rest_route=\/wp\/v2\/pages\/173","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hpcncc.vilniustech.lt\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/hpcncc.vilniustech.lt\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/hpcncc.vilniustech.lt\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hpcncc.vilniustech.lt\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=173"}],"version-history":[{"count":1,"href":"https:\/\/hpcncc.vilniustech.lt\/index.php?rest_route=\/wp\/v2\/pages\/173\/revisions"}],"predecessor-version":[{"id":174,"href":"https:\/\/hpcncc.vilniustech.lt\/index.php?rest_route=\/wp\/v2\/pages\/173\/revisions\/174"}],"wp:attachment":[{"href":"https:\/\/hpcncc.vilniustech.lt\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=173"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}