{"id":11103,"date":"2025-05-12T12:52:18","date_gmt":"2025-05-12T10:52:18","guid":{"rendered":"https:\/\/www.3d-skenovani.cz\/?p=11103"},"modified":"2025-05-12T13:26:00","modified_gmt":"2025-05-12T11:26:00","slug":"uprava-aerodynamiky-terenniho-vozu","status":"publish","type":"post","link":"https:\/\/www.3d-skenovanie.sk\/s\/uprava-aerodynamiky-terenniho-vozu\/","title":{"rendered":"\u00daprava aerodynamiky ter\u00e9nneho vozidla"},"content":{"rendered":"<p><\/p>\n\n\n\n\n\n<p>\u00a0<\/p>\n<p>Aerodynamika zohr\u00e1va z\u00e1sadn\u00fa \u00falohu v z\u00e1vodnom motoristickom \u0161porte, a to aj v extr\u00e9mnych podmienkach Rally Dakar. V tomto n\u00e1ro\u010dnom z\u00e1vode, kde sa vozidl\u00e1 pohybuj\u00fa vysokou r\u00fdchlos\u0165ou v pieso\u010dn\u00fdch dun\u00e1ch, kamenist\u00fdch \u00fasekoch aj na otvoren\u00fdch pl\u00e1\u0148ach, m\u00f4\u017ee spr\u00e1vne navrhnut\u00fd tvar karos\u00e9rie v\u00fdrazne ovplyvni\u0165 v\u00fdkon, spotrebu paliva aj stabilitu vozidla.<\/p>\n<p>V\u010faka modern\u00fdm technol\u00f3gi\u00e1m, ako je\u00a0<strong>3D skenovanie<\/strong> a<strong> simula\u010dn\u00fd softv\u00e9r (Ansys)<\/strong>, m\u00f4\u017eu in\u017einieri presne analyzova\u0165 a optimalizova\u0165 aerodynamick\u00e9 vlastnosti vozidla. Tieto n\u00e1stroje umo\u017e\u0148uj\u00fa vytvori\u0165 digit\u00e1lny model vozidla, na ktorom je mo\u017en\u00e9 vykon\u00e1va\u0165 simul\u00e1ciu pr\u00fadenia vzduchu bez nutnosti fyzick\u00fdch testov v aerodynamickom tuneli.<\/p>\n<p>Spolo\u010dnos\u0165\u00a0<strong>Techsoft Engineering<\/strong>\u00a0vykonala rad\u00a0<strong>CFD anal\u00fdz (Computational Fluid Dynamics)<\/strong>, ktor\u00e9 sl\u00fa\u017eia na simul\u00e1ciu pr\u00fadenia vzduchu okolo vozidla. V\u010faka t\u00fdmto simul\u00e1ci\u00e1m bolo mo\u017en\u00e9\u00a0<strong>vizualizova\u0165 pr\u00fadenie vzduchu<\/strong>\u00a0a analyzova\u0165 sily p\u00f4sobiace na jednotliv\u00e9 \u010dasti vozidla \u2013 konkr\u00e9tne na model s prez\u00fdvkou\u00a0<strong>Shrek<\/strong>. T\u00fdm sa overilo, \u017ee nov\u00fd n\u00e1vrh je nielen funk\u010dn\u00fd, ale aj aerodynamicky efekt\u00edvny.<\/p>\n<p>Pri v\u00fdvoji sa in\u017einieri z Techsoftu zamerali na skr\u00e1tenie vozidla a z\u00e1rove\u0148 zn\u00ed\u017eenie odporu vzduchu. V\u00e4\u010d\u0161ina odporu vznik\u00e1 oddelen\u00edm pr\u00fadu vzduchu za autom a okolo kolies, ktor\u00e9 v\u00fdrazne nar\u00fa\u0161aj\u00fa pr\u00fadenie.<\/p>\n<p>Na prilo\u017eenom obr\u00e1zku je vidie\u0165\u00a0<strong>r\u00fdchlostn\u00e9 pole<\/strong>\u00a0na symetrickej rovine vozidla Shrek.\u00a0<strong>\u010cerven\u00e1 farba<\/strong>\u00a0ozna\u010duje oblasti s vysokou r\u00fdchlos\u0165ou pr\u00fadenia, zatia\u013e \u010do\u00a0<strong>modr\u00e1<\/strong>\u00a0ukazuje miesta, kde je pr\u00fadenie pomal\u00e9 alebo stagnuje - typicky za vozidlom alebo okolo kolies.<\/p>\n<p>V\u00fdsledkom tejto pr\u00e1ce je nov\u00fd model\u00a0<strong>Shrek pre Dakar 2025<\/strong>, ktor\u00fd si zachoval\u00a0<strong>rovnak\u00fd koeficient odporu vzduchu<\/strong>\u00a0ako predch\u00e1dzaj\u00faci model z Dakaru 2023, a to aj napriek kon\u0161truk\u010dn\u00fdm zmen\u00e1m. To znamen\u00e1, \u017ee sa podarilo zachova\u0165 aerodynamick\u00fa efektivitu, aj ke\u010f bolo vozidlo skr\u00e1ten\u00e9 a upraven\u00e9.<\/p>\n<p><strong>Slovo in\u017einiera<\/strong><\/p>\n<p>\u201e&quot;3D skenovanie n\u00e1m pomohlo dosiahnu\u0165 lep\u0161ie v\u00fdsledky v posledn\u00fdch nieko\u013ek\u00fdch rokoch. A sme za to ve\u013emi radi, preto\u017ee je to neoddelite\u013enou s\u00fa\u010das\u0165ou dne\u0161n\u00e9ho motoristick\u00e9ho \u0161portu.&quot;\u201c<br \/>\u2014\u00a0<em>Ivan Matou\u0161ek, t\u00edmov\u00fd in\u017einier MP-Sports CZ sro.<\/em><\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"epyt-video-wrapper\"><iframe loading=\"lazy\"  style=\"display: block; margin: 0px auto;\"  id=\"_ytid_32608\"  width=\"480\" height=\"270\"  data-origwidth=\"480\" data-origheight=\"270\" src=\"https:\/\/www.youtube.com\/embed\/aH38-u5ns6E?enablejsapi=1&#038;autoplay=0&#038;cc_load_policy=0&#038;cc_lang_pref=&#038;iv_load_policy=1&#038;loop=0&#038;modestbranding=0&#038;rel=1&#038;fs=1&#038;playsinline=0&#038;autohide=2&#038;theme=dark&#038;color=red&#038;controls=1&#038;\" class=\"__youtube_prefs__  epyt-is-override  no-lazyload\" title=\"YouTube player\"  allow=\"fullscreen; accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen data-no-lazy=\"1\" data-skipgform_ajax_framebjll=\"\"><\/iframe><\/div>\n<\/div><\/figure>","protected":false},"excerpt":{"rendered":"<p>\u00a0 Aerodynamika hraje z\u00e1sadn\u00ed roli v&nbsp;z\u00e1vodn\u00edm motoristick\u00e9m sportu, a&nbsp;to i&nbsp;v&nbsp;extr\u00e9mn\u00edch podm\u00ednk\u00e1ch Rally Dakar. V&nbsp;tomto n\u00e1ro\u010dn\u00e9m z\u00e1vod\u011b, kde se vozy pohybuj\u00ed vysokou rychlost\u00ed v&nbsp;p\u00edse\u010dn\u00fdch dun\u00e1ch, kamenit\u00fdch \u00fasec\u00edch i&nbsp;na otev\u0159en\u00fdch pl\u00e1n\u00edch, m\u016f\u017ee spr\u00e1vn\u011b navr\u017een\u00fd tvar karoserie v\u00fdrazn\u011b ovlivnit v\u00fdkon, spot\u0159ebu paliva i&nbsp;stabilitu vozu. D\u00edky modern\u00edm technologi\u00edm, jako je\u00a03D skenov\u00e1n\u00ed a&nbsp;simula\u010dn\u00ed software (Ansys), mohou in\u017een\u00fd\u0159i p\u0159esn\u011b analyzovat [&hellip;]<\/p>","protected":false},"author":4,"featured_media":11105,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[55],"tags":[],"class_list":["post-11103","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-zajimavosti"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.3d-skenovanie.sk\/s\/wp-json\/wp\/v2\/posts\/11103"}],"collection":[{"href":"https:\/\/www.3d-skenovanie.sk\/s\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.3d-skenovanie.sk\/s\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.3d-skenovanie.sk\/s\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.3d-skenovanie.sk\/s\/wp-json\/wp\/v2\/comments?post=11103"}],"version-history":[{"count":4,"href":"https:\/\/www.3d-skenovanie.sk\/s\/wp-json\/wp\/v2\/posts\/11103\/revisions"}],"predecessor-version":[{"id":11118,"href":"https:\/\/www.3d-skenovanie.sk\/s\/wp-json\/wp\/v2\/posts\/11103\/revisions\/11118"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.3d-skenovanie.sk\/s\/wp-json\/wp\/v2\/media\/11105"}],"wp:attachment":[{"href":"https:\/\/www.3d-skenovanie.sk\/s\/wp-json\/wp\/v2\/media?parent=11103"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.3d-skenovanie.sk\/s\/wp-json\/wp\/v2\/categories?post=11103"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.3d-skenovanie.sk\/s\/wp-json\/wp\/v2\/tags?post=11103"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}