{"id":22044,"date":"2018-10-20T10:00:21","date_gmt":"2018-10-20T14:00:21","guid":{"rendered":"https:\/\/blogs.solidworks.com\/tech\/?p=22044"},"modified":"2018-10-17T10:15:33","modified_gmt":"2018-10-17T14:15:33","slug":"solidworks-simulation-2019-topology-study-constraints","status":"publish","type":"post","link":"https:\/\/blogs.solidworks.com\/tech\/2018\/10\/solidworks-simulation-2019-topology-study-constraints.html","title":{"rendered":"SOLIDWORKS Simulation 2019 Topology Study Constraints"},"content":{"rendered":"<p><a href=\"https:\/\/www.javelin-tech.com\/blog\/2018\/01\/solidworks-simulation-topology-study\/\" target=\"_blank\" rel=\"noopener\">Topology studies<\/a>\u00a0in SOLIDWORKS Simulation give you insight to help determine the best design for a set of constraints (included in\u00a0<a href=\"https:\/\/www.javelin-tech.com\/3d\/technology\/solidworks-simulation-professional\/\">SOLIDWORKS Simulation Professional<\/a>\u00a0and\u00a0<a href=\"https:\/\/www.javelin-tech.com\/3d\/technology\/solidworks-simulation-premium\/\">Premium<\/a>\u00a0packages).\u00a0 SOLIDWORKS 2019 now adds SOLIDWORKS Simulation Topology Study Constraints to achieve the desired results.\u00a0 You can control the\u00a0<strong>Frequency<\/strong>and\u00a0<strong>Stress\/Factor of Safety<\/strong>.<\/p>\n<div class=\"video-container\">\n<div class=\"entry-content-asset\"><iframe loading=\"lazy\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/Ec9_s1K5JKs?feature=oembed\" frameborder=\"0\" allow=\"autoplay; encrypted-media\" allowfullscreen><\/iframe><\/div>\n<\/div>\n<h2>Frequency Constraint<\/h2>\n<p>Frequency constraints can specify the lower\/upper limits or range of permissible frequencies for mode shapes.\u00a0 You can add multiple mode shapes to ensure all scenarios are covered.\u00a0 Be sure to run a standard Frequency Study on the original model (before topology iterations) to ensure it starts off in the permissible frequencies.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/blog-assets.solidworks.com\/uploads\/sites\/4\/frequency-constraint.png\" alt=\"SOLIDWORKS Simulation 2019 Topology Frequency Constraint\" \/><\/p>\n<p>SOLIDWORKS Simulation 2019 Topology Frequency Constraint<\/p>\n<p>The option for Mode Tracking determines if the mode shape order is relevant after each iteration.\u00a0 When Mode Tracking is\u00a0<em>cleared<\/em>, the constraint will always apply to the mode number for each iteration even if the mode shape changes order.\u00a0 When Mode Tracking is\u00a0<em>selected<\/em>, the constraint will always apply to the original mode shape regardless of a possible change in order (i.e. Mode 1 in the original model becomes Mode 3 in the iteration, but constraints will then apply to this same shape as Mode 3).<\/p>\n<h3><\/h3>\n<h3>Stress\/Factor of Safety Constraint<\/h3>\n<p>When you require the maximum stress to be a certain value or you must keep a minimum factor of safety, this constraint optimizes the shape based on stress results for each iteration.\u00a0 The Stress option allows you to add a specific max Von Mises stress allowed or the max stress based a factor (in %) of the material\u2019s yield strength.<\/p>\n<p><a href=\"https:\/\/blog-assets.solidworks.com\/uploads\/sites\/4\/stress-constraint.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/blog-assets.solidworks.com\/uploads\/sites\/4\/stress-constraint.png\" alt=\"SOLIDWORKS Simulation 2019 Topology Max Stress Constraint\" width=\"345\" height=\"786\" \/><\/a><\/p>\n<p>SOLIDWORKS Simulation 2019 Topology Max Stress Constraint<\/p>\n<p>&nbsp;<\/p>\n<p>The Factor of Safety (FOS) option provides an input for the minimum allowed FOS based on the maximum Von Mises stress vs the material\u2019s yield strength.<\/p>\n<p><a href=\"https:\/\/blog-assets.solidworks.com\/uploads\/sites\/4\/factor-of-safety-constraint.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/blog-assets.solidworks.com\/uploads\/sites\/4\/factor-of-safety-constraint.png\" alt=\"SOLIDWORKS Simulation 2019 Topology Factor of Safety Constraint\" width=\"345\" height=\"786\" \/><\/a><\/p>\n<p>SOLIDWORKS Simulation 2019 Topology Factor of Safety Constraint<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Topology studies in SOLIDWORKS Simulation give you insight to help determine the best design for a set of constraints.<\/p>\n... <a href=\"https:\/\/blogs.solidworks.com\/tech\/2018\/10\/solidworks-simulation-2019-topology-study-constraints.html\">Continued<\/a>","protected":false},"author":149,"featured_media":22043,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[30,1],"tags":[291,2274],"class_list":["post-22044","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-solidworks-simulation","category-uncategorized","tag-simulation","tag-topology-study"],"acf":[],"_links":{"self":[{"href":"https:\/\/blogs.solidworks.com\/tech\/wp-json\/wp\/v2\/posts\/22044","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.solidworks.com\/tech\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.solidworks.com\/tech\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.solidworks.com\/tech\/wp-json\/wp\/v2\/users\/149"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.solidworks.com\/tech\/wp-json\/wp\/v2\/comments?post=22044"}],"version-history":[{"count":3,"href":"https:\/\/blogs.solidworks.com\/tech\/wp-json\/wp\/v2\/posts\/22044\/revisions"}],"predecessor-version":[{"id":22047,"href":"https:\/\/blogs.solidworks.com\/tech\/wp-json\/wp\/v2\/posts\/22044\/revisions\/22047"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blogs.solidworks.com\/tech\/wp-json\/wp\/v2\/media\/22043"}],"wp:attachment":[{"href":"https:\/\/blogs.solidworks.com\/tech\/wp-json\/wp\/v2\/media?parent=22044"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.solidworks.com\/tech\/wp-json\/wp\/v2\/categories?post=22044"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.solidworks.com\/tech\/wp-json\/wp\/v2\/tags?post=22044"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}