{"id":7102,"date":"2018-03-30T16:48:35","date_gmt":"2018-03-30T15:48:35","guid":{"rendered":"https:\/\/www.arhns.uns.ac.rs\/givsf\/?p=7102"},"modified":"2018-06-19T17:34:58","modified_gmt":"2018-06-19T16:34:58","slug":"upotreba-auxetic-materijala-u-oblasti-proizvodnje-patika-ii-faza","status":"publish","type":"post","link":"https:\/\/www.arhns.uns.ac.rs\/givsf\/upotreba-auxetic-materijala-u-oblasti-proizvodnje-patika-ii-faza\/","title":{"rendered":"Upotreba auxetic materijala u oblasti proizvodnje patika II faza &#8211; modelovanje"},"content":{"rendered":"<p>Preko importovanih slika u osnovi i bocnom izgledu su iscrtane konturne krive, a zatim dodate i konturne linije poprecnog preseka. \u00a0Pomocu alatke curveNetwork dobijena je priblizna povrs, ali se javio problem na pojedinim spojevima, gde su ostale rupe.<a href=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2018\/03\/hgsd.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-7105\" src=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2018\/03\/hgsd-300x240.jpg\" alt=\"hgsd\" width=\"300\" height=\"240\" srcset=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2018\/03\/hgsd-300x240.jpg 300w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2018\/03\/hgsd-1024x819.jpg 1024w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2018\/03\/hgsd.jpg 1280w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>Prvobitno dobijenu povrs sam presekla horizontalnim ravnima, a zatim od poprecnih preseka preko opcije Loft dobila optimalnije resenje bez rupa. Uz pomoc alatke Rebuild sam prethodno loft-ovanu povrs optimizovala da bi mogla da se razvije, sto sam ustanovila kao metod rada za dalju razradu.<\/p>\n<p><a href=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2018\/03\/21.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-7106\" src=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2018\/03\/21-300x240.jpg\" alt=\"2\" width=\"300\" height=\"240\" srcset=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2018\/03\/21-300x240.jpg 300w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2018\/03\/21-1024x819.jpg 1024w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2018\/03\/21.jpg 1280w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>Iscrtavanjem krivi po povrsi dobila sam segmente od kojih je sacinjen postojeci model ali se zbog njihove dvostruke zakrivljenosti javio problem da se razviju kao\u00a0u prethodnom postupku. Pozivanjem na plugin Evolute D.Loft omoguceno je razvijanje dvostruko zakrivljenih segmenata ali ne u potpunosti. Razvija povrs sa uzetim krivama iz sredine, dok one konturne ne prepoznaje.<\/p>\n<p><a href=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2018\/03\/3.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-7107\" src=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2018\/03\/3-300x240.jpg\" alt=\"3\" width=\"300\" height=\"240\" srcset=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2018\/03\/3-300x240.jpg 300w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2018\/03\/3-1024x819.jpg 1024w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2018\/03\/3.jpg 1280w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>Za poslednji tip re\u0161enja modelovanja koji je i najpribli\u017eniji \u017eeljenom, model je pretvoren u Nurbs povr\u0161 koja je zatim optimizovana kroz nekoliko koraka u Grasshopper-u:<\/p>\n<p>1. deljenje povr\u0161i na heksagone<\/p>\n<p>2. ekstrudovanje svakog drugog temena u centar do parametrom odredjene vrednosti (Evaluate)<\/p>\n<p>3. ponovljen postupak, ali u suprotnom smeru &#8211; od centra heksagona do temena<\/p>\n<p>4. dobijenim linijama izvr\u0161ena je\u00a0podela na trouglove unutar svakog heksagona i ostvaren \u017eeljeni pattern<\/p>\n<p>5. isecanje vi\u0161kova definisanih prethodnim patternom, a potom explode-ovanjem modela na segmente, dobijena je finalna forma<\/p>\n<p><a href=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2018\/03\/tip4.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-8404\" src=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2018\/03\/tip4-300x168.png\" alt=\"tip4\" width=\"300\" height=\"168\" srcset=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2018\/03\/tip4-300x168.png 300w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2018\/03\/tip4-1024x576.png 1024w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2018\/03\/tip4.png 1920w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Preko importovanih slika u osnovi i bocnom izgledu su iscrtane konturne krive, a zatim dodate i konturne linije poprecnog preseka. \u00a0Pomocu alatke curveNetwork dobijena je priblizna povrs, ali se javio problem na pojedinim spojevima, gde su ostale rupe. Prvobitno dobijenu povrs sam presekla horizontalnim ravnima, a zatim od poprecnih preseka preko opcije Loft dobila optimalnije&hellip; <a class=\"more-link\" href=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/upotreba-auxetic-materijala-u-oblasti-proizvodnje-patika-ii-faza\/\">Continue reading <span class=\"screen-reader-text\">Upotreba auxetic materijala u oblasti proizvodnje patika II faza &#8211; modelovanje<\/span><\/a><\/p>\n","protected":false},"author":276,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[313],"tags":[],"coauthors":[340],"class_list":["post-7102","post","type-post","status-publish","format-standard","hentry","category-1718-radovi","entry"],"_links":{"self":[{"href":"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-json\/wp\/v2\/posts\/7102","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-json\/wp\/v2\/users\/276"}],"replies":[{"embeddable":true,"href":"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-json\/wp\/v2\/comments?post=7102"}],"version-history":[{"count":5,"href":"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-json\/wp\/v2\/posts\/7102\/revisions"}],"predecessor-version":[{"id":8405,"href":"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-json\/wp\/v2\/posts\/7102\/revisions\/8405"}],"wp:attachment":[{"href":"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-json\/wp\/v2\/media?parent=7102"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-json\/wp\/v2\/categories?post=7102"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-json\/wp\/v2\/tags?post=7102"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-json\/wp\/v2\/coauthors?post=7102"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}