{"id":395814,"date":"2024-11-29T20:29:28","date_gmt":"2024-11-29T20:29:28","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/help-on-running-inverse-design-cwdm-3d-topology-optmization\/"},"modified":"2024-12-01T00:46:04","modified_gmt":"2024-12-01T00:46:04","slug":"help-on-running-inverse-design-cwdm-3d-topology-optmization","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/help-on-running-inverse-design-cwdm-3d-topology-optmization\/","title":{"rendered":"Help on running inverse design CWDM 3D topology optmization"},"content":{"rendered":"<p>&lt;p&gt;&lt;div class=&#8221;x_elementToProof&#8221; data-olk-copy-source=&#8221;MessageBody&#8221;&gt;Dear Ansys support team,&lt;\/div&gt;&lt;div class=&#8221;x_elementToProof&#8221; data-olk-copy-source=&#8221;MessageBody&#8221;&gt; &lt;\/div&gt;&lt;div class=&#8221;x_elementToProof&#8221;&gt;I am currently trying to design a WDM device based on the following example: <a title=\"https:\/\/optics.ansys.com\/hc\/en-us\/articles\/1500007188582-Topology-Optimization-of-a-4-channel-wavelength-demultiplexer-2D-TE\" href=\"https:\/\/optics.ansys.com\/hc\/en-us\/articles\/1500007188582-Topology-Optimization-of-a-4-channel-wavelength-demultiplexer-2D-TE\">https:\/\/optics.ansys.com\/hc\/en-us\/articles\/1500007188582-Topology-Optimization-of-a-4-channel-wavelength-demultiplexer-2D-TE<\/a>.&lt;\/div&gt;&lt;div class=&#8221;x_elementToProof&#8221;&gt;&nbsp;&lt;\/div&gt;&lt;div class=&#8221;x_elementToProof&#8221;&gt;I have successfully completed the 2D optimization and am moving on to the 3D optimization for the device.&lt;\/div&gt;&lt;div class=&#8221;x_elementToProof&#8221;&gt;&nbsp;&lt;\/div&gt;&lt;div class=&#8221;x_elementToProof&#8221;&gt;I keep receiving a &#8216;failed to evaluate code&#8217; error or a &#8216;simulation did not complete successfully&#8217; error for my optimization code.&lt;\/div&gt;&lt;div class=&#8221;x_elementToProof&#8221;&gt;I have no clue how to debug my code for these given error messages.&lt;\/div&gt;&lt;div class=&#8221;x_elementToProof&#8221;&gt;&nbsp;&lt;\/div&gt;&lt;div class=&#8221;x_elementToProof&#8221;&gt;I have attached my scripts to this repo in case you want to take a look at them: https:\/\/github.com\/wcai05\/cwdm_topology_3d&lt;\/div&gt;&lt;div class=&#8221;x_elementToProof&#8221;&gt;&nbsp;&lt;\/div&gt;&lt;div class=&#8221;x_elementToProof&#8221;&gt;I sincerely hope you can provide any suggestions on the techniques that I can try to make it work.&lt;\/div&gt;&lt;div class=&#8221;x_elementToProof&#8221;&gt;&nbsp;&lt;\/div&gt;&lt;div class=&#8221;x_elementToProof&#8221;&gt;Thank you for your time and support.&lt;\/div&gt;&lt;div class=&#8221;x_elementToProof&#8221;&gt;&nbsp;&lt;\/div&gt;&lt;div class=&#8221;x_elementToProof&#8221;&gt;Best regards,&lt;\/div&gt;&lt;div class=&#8221;x_elementToProof&#8221;&gt;Wangning&lt;\/div&gt;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-395814","topic","type-topic","status-publish","hentry","topic-tag-inverse-design-2","topic-tag-topology-optimization"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Dear Ansys support team, I am currently trying to design a WDM device based on the following example: https:\/\/optics.ansys.com\/hc\/en-us\/articles\/1500007188582-Topology-Optimization-of-a-4-channel-wavelength-demultiplexer-2D-TE. 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I have successfully completed the 2D optimization and am moving on to the 3D optimization for the device. I keep receiving a &#039;failed to evaluate code&#039; error or a\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/help-on-running-inverse-design-cwdm-3d-topology-optmization\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-11-29T20:29:28+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-12-01T00:46:04+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Help on running inverse design CWDM 3D topology optmization | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Dear Ansys support team, I am currently trying to design a WDM device based on the following example: https:\/\/optics.ansys.com\/hc\/en-us\/articles\/1500007188582-Topology-Optimization-of-a-4-channel-wavelength-demultiplexer-2D-TE. I have successfully completed the 2D optimization and am moving on to the 3D optimization for the device. 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I have successfully completed the 2D optimization and am moving on to the 3D optimization for the device. 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I have successfully completed the 2D optimization and am moving on to the 3D optimization for the device. I keep receiving a 'failed to evaluate code' error or a","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/help-on-running-inverse-design-cwdm-3d-topology-optmization\/#breadcrumblist"},"datePublished":"2024-11-29T20:29:28+00:00","dateModified":"2024-12-01T00:46:04+00:00"},{"@type":"WebSite","@id":"https:\/\/innovationspace.ansys.com\/forum\/#website","url":"https:\/\/innovationspace.ansys.com\/forum\/","name":"Ansys Learning Forum","description":"Ansys Innovation Space","inLanguage":"en-US","publisher":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#organization"}}]},"og:locale":"en_US","og:site_name":"Ansys Learning Forum | Ansys Innovation Space","og:type":"article","og:title":"Help on running inverse design CWDM 3D topology optmization | Ansys Learning Forum","og:description":"Dear Ansys support team, I am currently trying to design a WDM device based on the following example: https:\/\/optics.ansys.com\/hc\/en-us\/articles\/1500007188582-Topology-Optimization-of-a-4-channel-wavelength-demultiplexer-2D-TE. I have successfully completed the 2D optimization and am moving on to the 3D optimization for the device. I keep receiving a 'failed to evaluate code' error or a","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/help-on-running-inverse-design-cwdm-3d-topology-optmization\/","article:published_time":"2024-11-29T20:29:28+00:00","article:modified_time":"2024-12-01T00:46:04+00:00","twitter:card":"summary_large_image","twitter:title":"Help on running inverse design CWDM 3D topology optmization | Ansys Learning Forum","twitter:description":"Dear Ansys support team, I am currently trying to design a WDM device based on the following example: https:\/\/optics.ansys.com\/hc\/en-us\/articles\/1500007188582-Topology-Optimization-of-a-4-channel-wavelength-demultiplexer-2D-TE. I have successfully completed the 2D optimization and am moving on to the 3D optimization for the device. I keep receiving a 'failed to evaluate code' error or a"},"aioseo_meta_data":{"post_id":"395814","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"limit_modified_date":false,"created":"2025-10-19 09:46:21","updated":"2026-09-17 12:35:43","ai":null,"breadcrumb_settings":null,"seo_analyzer_scan_date":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/innovationspace.ansys.com\/forum\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/innovationspace.ansys.com\/forum\/topics\/\" title=\"Topics\">Topics<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/topology-optimization\/\" title=\"topology-optimization\">topology-optimization<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tHelp on running inverse design CWDM 3D topology optmization\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/innovationspace.ansys.com\/forum"},{"label":"Topics","link":"https:\/\/innovationspace.ansys.com\/forum\/topics\/"},{"label":"topology-optimization","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/topology-optimization\/"},{"label":"Help on running inverse design CWDM 3D topology optmization","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/help-on-running-inverse-design-cwdm-3d-topology-optmization\/"}],"acf":[],"custom_fields":[{"0":{"_bbp_forum_id":["27833"],"_bbp_topic_id":["395814"],"_bbp_subscription":["120022","443894"],"_bbp_author_ip":["128.189.104.31"],"_bbp_reply_count":["6"],"_bbp_reply_count_hidden":["0"],"_bbp_voice_count":["2"],"_bbp_engagement":["120022","443894"],"_btv_view_count":["342"],"_bbp_topic_status":["unanswered"],"_edit_last":["120022"],"_bbp_revision_log":["a:1:{i:395866;a:2:{s:6:\"author\";i:120022;s:6:\"reason\";s:0:\"\";}}"],"_bbp_last_reply_id":["396548"],"_bbp_last_active_id":["396548"],"_bbp_last_active_time":["2024-12-06 06:47:12"]},"test":"wcai05ece-ubc-ca"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/395814","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":1,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/395814\/revisions"}],"predecessor-version":[{"id":395866,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/395814\/revisions\/395866"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=395814"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}