{"id":3330,"date":"2022-07-13T09:30:00","date_gmt":"2022-07-13T07:30:00","guid":{"rendered":"https:\/\/cirpicme.org\/?page_id=3330"},"modified":"2022-07-26T13:02:00","modified_gmt":"2022-07-26T11:02:00","slug":"multiscale-modelling-of-additive-tensile-test-specimens","status":"publish","type":"page","link":"https:\/\/cirpicme.org\/index.php\/additive-manufacturing-3\/multiscale-modelling-of-additive-tensile-test-specimens\/","title":{"rendered":"Multiscale modelling of additive tensile test specimens"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><em>by Roberto Spina, Bruno Cavalcante, Silvia Di Rosa, Giulio Morandina, Alessandro Mellone (Italy)<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Abstract<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Additive manufacturing (AM) of thermoplastic polymers is investigated in this work. The polymer properties are highly geometry dependent because the void between strands produced during filament deposition dramatically influences the mechanical properties. For this reason, the virtual evaluation of the AM part performance, giving helpful guidance for designing products. The framework consists of a hierarchical multiscale simulation method with a numerical constitutive relationship at the macroscopic point, based on simulation on a representative volume element (RVE) technique at the meso-level and homogenization theory. The primary steps are 1. CAD analysis and manual extraction of the internal repetitive unit. 2. Elasto-plastic characterization of the material of the repeating unit. 3. Non-linear macroscale analysis of non- homogenized specimens. 4. Non-linear macroscale analysis of homogenized specimens. The comparison of the numerical results of homogenized and full detail models are presented.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Keywords<\/strong>: Additive manufacturing; Design method; Polymer<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Video presentation<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-video\"><video height=\"1080\" style=\"aspect-ratio: 1920 \/ 1080;\" width=\"1920\" controls src=\"https:\/\/cirpicme.org\/wp-content\/uploads\/2022\/07\/SPINA_Roberto.mp4\"><\/video><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Presenting author<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-background\" style=\"background-color:#f3f4f5\"><tbody><tr><td><\/td><td><\/td><td><\/td><\/tr><tr><td><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"158\" class=\"wp-image-3515\" style=\"width: 150px;\" src=\"https:\/\/i0.wp.com\/cirpicme.org\/wp-content\/uploads\/2022\/07\/Roberto_Spina_Photo.jpg?resize=150%2C158&#038;ssl=1\" alt=\"\" srcset=\"https:\/\/i0.wp.com\/cirpicme.org\/wp-content\/uploads\/2022\/07\/Roberto_Spina_Photo.jpg?w=209&amp;ssl=1 209w, https:\/\/i0.wp.com\/cirpicme.org\/wp-content\/uploads\/2022\/07\/Roberto_Spina_Photo.jpg?resize=143%2C150&amp;ssl=1 143w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/td><td><strong>Name:<\/strong><br><br><strong>Affiliation:<\/strong><br><br><strong>Email:<\/strong><\/td><td>Roberto Spina<br><br>Politecnico di Bari, Italy<br><br>roberto.spina@poliba.it<\/td><\/tr><tr><td><\/td><td><\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>by Roberto Spina, Bruno Cavalcante, Silvia Di Rosa, Giulio Morandina, Alessandro Mellone (Italy) Abstract Additive manufacturing (AM) of thermoplastic polymers is investigated in this work. The polymer properties are highly geometry dependent because the void between strands produced during filament deposition dramatically influences the mechanical properties. For this reason, the&#8230;<\/p>\n<p> <a class=\"continue-reading-link\" href=\"https:\/\/cirpicme.org\/index.php\/additive-manufacturing-3\/multiscale-modelling-of-additive-tensile-test-specimens\/\"><span>Continue reading<\/span><i class=\"crycon-right-dir\"><\/i><\/a> <\/p>\n","protected":false},"author":4,"featured_media":0,"parent":3648,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"nf_dc_page":"","om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-3330","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/cirpicme.org\/index.php\/wp-json\/wp\/v2\/pages\/3330","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cirpicme.org\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/cirpicme.org\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/cirpicme.org\/index.php\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/cirpicme.org\/index.php\/wp-json\/wp\/v2\/comments?post=3330"}],"version-history":[{"count":2,"href":"https:\/\/cirpicme.org\/index.php\/wp-json\/wp\/v2\/pages\/3330\/revisions"}],"predecessor-version":[{"id":3804,"href":"https:\/\/cirpicme.org\/index.php\/wp-json\/wp\/v2\/pages\/3330\/revisions\/3804"}],"up":[{"embeddable":true,"href":"https:\/\/cirpicme.org\/index.php\/wp-json\/wp\/v2\/pages\/3648"}],"wp:attachment":[{"href":"https:\/\/cirpicme.org\/index.php\/wp-json\/wp\/v2\/media?parent=3330"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}