{"id":9618,"date":"2019-04-10T18:06:14","date_gmt":"2019-04-10T17:06:14","guid":{"rendered":"https:\/\/www.arhns.uns.ac.rs\/givsf\/?p=9618"},"modified":"2019-04-10T18:44:22","modified_gmt":"2019-04-10T17:44:22","slug":"modelovanje-i-analiza-akusticnih-2d-difuzora-i-apsorbera-faza-ii","status":"publish","type":"post","link":"https:\/\/www.arhns.uns.ac.rs\/givsf\/modelovanje-i-analiza-akusticnih-2d-difuzora-i-apsorbera-faza-ii\/","title":{"rendered":"Modelovanje i analiza akusticnih 2D difuzora i apsorbera (faza II)"},"content":{"rendered":"<p><a href=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2019\/04\/skyline-patent.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-9619\" src=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2019\/04\/skyline-patent-297x300.jpg\" alt=\"skyline-patent\" width=\"297\" height=\"300\" srcset=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2019\/04\/skyline-patent-297x300.jpg 297w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2019\/04\/skyline-patent-32x32.jpg 32w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2019\/04\/skyline-patent-64x64.jpg 64w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2019\/04\/skyline-patent-96x96.jpg 96w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2019\/04\/skyline-patent-128x128.jpg 128w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2019\/04\/skyline-patent.jpg 400w\" sizes=\"auto, (max-width: 297px) 100vw, 297px\" \/><\/a><\/p>\n<p><strong>Problem<\/strong><\/p>\n<p>Male prostorije kao sto su projektni studiji imaju potrebu za efikasnim povr\u0161inama koje ce ra\u0161iriti refleksije zvuka na adekvatan nacin. Kako bi re\u0161ili ovaj problem,\u00a0 koristimo naprednu primitivnu teoriju brojeva korena kako bi dizajnirao dvodimenzionalnu prostornu difuznu povr\u0161inu. Smetnje refleksije mogu se kontrolisati apsorpcijom ili difuzijom. U malim prostorijama, \u010desto je po\u017eeljno kontrolisati interferirajuc\u0301e refleksije i obezbediti ambijentalno zvu\u010dno polje pomoc\u0301u difuzije umesto apsorpcije. Kada su povr\u0161ine prostorije relativno blizu slu\u0161atelju, potrebna je vrlo efikasna difuzna povr\u0161ina. Difuzor ravnomerno rasipa incidentni zvuk tako da je akusti\u010dni odsjaj u svim pravcima sveden na minimum.<\/p>\n<p><strong>Absorcija<\/strong><\/p>\n<p><a href=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2019\/04\/skydc.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-9626\" src=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2019\/04\/skydc.gif\" alt=\"skydc\" width=\"148\" height=\"123\" \/><\/a><\/p>\n<p>\u010cvrsto jezgro ekspandiranog polistirena pru\u017ea korisnu apsorpciju niske frekvencije.<\/p>\n<p><strong>Difuzija<\/strong><\/p>\n<p><strong><a href=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2019\/04\/skyac.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-9628\" src=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2019\/04\/skyac.gif\" alt=\"skyac\" width=\"147\" height=\"123\" \/><\/a><\/strong><\/p>\n<p>Ujedna\u010denost difuzije karakteri\u0161e standardna devijacija polarnog odgovora od 1\/3 oktave, za dati ugao upada. Za svaki od 37 uglova upadanja, 37 impulsnih reakcija povratnog raspr\u0161ivanja su napravljene u koracima od 5 \u00b0 izme\u0111u skiac0 \u00b0 i 180 \u00b0. Difuzni koeficijent je srednja standardna devijacija za sve uglove upada, normalizovana na standardnu devijaciju delta funkcije (1 jednaka idealnoj difuziji). Podaci ilustruju izuzetnu uniformnost difuzije iznad granice difrakcije (565 Hz = 1130 ft \/ sec \/ 2 &#8216;), koja je povezana sa 2&#8217; dimenzijom panela. Za pore\u0111enje je prikazan Koeficijent difuzije ravnog reflektujuc\u0301eg panela.<\/p>\n<p><strong>Prednosti ovog difuzora<\/strong><\/p>\n<p>Ovaj dizajn pru\u017ea prirodan ambijent zvuka i najefikasniji difuzni nadzor interferirajuc\u0301ih refleksija.Spekularna supresija koju obezbe\u0111uje ovaj dizajn\u00a0 zna\u010di da je komponenta refleksije rasipanja smanjena stvarajuc\u0301i difuznije zvu\u010dno polje.<\/p>\n<p><strong>Modelovanje<\/strong><\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-9630\" src=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2019\/04\/Skyline-4cm-300x266.jpg\" alt=\"Skyline 4cm\" width=\"300\" height=\"266\" srcset=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2019\/04\/Skyline-4cm-300x266.jpg 300w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2019\/04\/Skyline-4cm.jpg 637w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/strong><\/p>\n<p>Na osnovu ovog kalkulatora sam modelovao difuzor u Rhinu i Grasshopperu.<\/p>\n<p><a href=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2019\/04\/3d-model.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-9641\" src=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2019\/04\/3d-model-300x240.png\" alt=\"3d model\" width=\"300\" height=\"240\" srcset=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2019\/04\/3d-model-300x240.png 300w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2019\/04\/3d-model-1024x819.png 1024w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2019\/04\/3d-model.png 1280w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><a href=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2019\/04\/grasshopper.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-9642\" src=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2019\/04\/grasshopper-300x240.png\" alt=\"grasshopper\" width=\"300\" height=\"240\" srcset=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2019\/04\/grasshopper-300x240.png 300w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2019\/04\/grasshopper-1024x819.png 1024w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2019\/04\/grasshopper.png 1280w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Problem Male prostorije kao sto su projektni studiji imaju potrebu za efikasnim povr\u0161inama koje ce ra\u0161iriti refleksije zvuka na adekvatan nacin. Kako bi re\u0161ili ovaj problem,\u00a0 koristimo naprednu primitivnu teoriju brojeva korena kako bi dizajnirao dvodimenzionalnu prostornu difuznu povr\u0161inu. Smetnje refleksije mogu se kontrolisati apsorpcijom ili difuzijom. U malim prostorijama, \u010desto je po\u017eeljno kontrolisati interferirajuc\u0301e&hellip; <a class=\"more-link\" href=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/modelovanje-i-analiza-akusticnih-2d-difuzora-i-apsorbera-faza-ii\/\">Continue reading <span class=\"screen-reader-text\">Modelovanje i analiza akusticnih 2D difuzora i apsorbera (faza II)<\/span><\/a><\/p>\n","protected":false},"author":362,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"coauthors":[394],"class_list":["post-9618","post","type-post","status-publish","format-standard","hentry","category-opste","entry"],"_links":{"self":[{"href":"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-json\/wp\/v2\/posts\/9618","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\/362"}],"replies":[{"embeddable":true,"href":"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-json\/wp\/v2\/comments?post=9618"}],"version-history":[{"count":5,"href":"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-json\/wp\/v2\/posts\/9618\/revisions"}],"predecessor-version":[{"id":9655,"href":"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-json\/wp\/v2\/posts\/9618\/revisions\/9655"}],"wp:attachment":[{"href":"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-json\/wp\/v2\/media?parent=9618"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-json\/wp\/v2\/categories?post=9618"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-json\/wp\/v2\/tags?post=9618"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-json\/wp\/v2\/coauthors?post=9618"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}