{"id":398716,"date":"2024-12-29T17:24:18","date_gmt":"2024-12-29T17:24:18","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/lumerical-fdtd-using-gpu\/"},"modified":"2024-12-29T17:24:18","modified_gmt":"2024-12-29T17:24:18","slug":"lumerical-fdtd-using-gpu","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/lumerical-fdtd-using-gpu\/","title":{"rendered":"Lumerical FDTD using GPU"},"content":{"rendered":"<p>&lt;p data-sourcepos=&#8221;7:1-7:119&#8243;&gt;I am writing to inquire about the limitations of GPU-accelerated FDTD simulations as specified on your website: <a href=\"https:\/\/optics.ansys.com\/hc\/en-us\/articles\/17518942465811-Getting-started-with-running-FDTD-on-GPU\">https:\/\/optics.ansys.com\/hc\/en-us\/articles\/17518942465811-Getting-started-with-running-FDTD-on-GPU<\/a>&nbsp;&lt;\/p&gt;&lt;p data-sourcepos=&#8221;9:1-9:227&#8243;&gt;Specifically, I am interested in simulating FDTD with library metals such as Aluminum (Al) using CRC data. I would like to know if the presence of negative permittivity materials will inherently cause the simulation to diverge.&lt;\/p&gt;&lt;p data-sourcepos=&#8221;11:1-11:217&#8243;&gt;Additionally, the website mentions the requirement for narrowband simulations. Could you please clarify if this refers to simulations with a single wavelength, or what constitutes a &#8220;narrowband&#8221; range in this context?&lt;\/p&gt;&lt;p data-sourcepos=&#8221;11:1-11:217&#8243;&gt;&nbsp;&lt;\/p&gt;&lt;p data-sourcepos=&#8221;13:1-13:53&#8243;&gt;Thank you for your time and attention to this matter.&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-398716","topic","type-topic","status-publish","hentry","topic-tag-fdtd","topic-tag-gpu","topic-tag-lumerical","topic-tag-LumericalFDTD-1"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_forum_id":["27833"],"_bbp_topic_id":["398716"],"_bbp_author_ip":["147.236.157.23"],"_bbp_last_reply_id":["402972"],"_bbp_last_active_id":["402972"],"_bbp_last_active_time":["2024-12-30 18:14:07"],"_bbp_reply_count":["1"],"_bbp_reply_count_hidden":["0"],"_bbp_voice_count":["2"],"_bbp_engagement":["340911","33648"],"_btv_view_count":["689"],"_bbp_topic_status":["unanswered"],"_bbp_subscription":["33648"]},"test":"smoacampus-technion-ac-il"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/398716","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":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/398716\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=398716"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}