{"id":377975,"date":"2024-08-12T15:25:18","date_gmt":"2024-08-12T15:25:18","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/simulation-of-absorptivity-of-polymers\/"},"modified":"2024-08-12T15:25:18","modified_gmt":"2024-08-12T15:25:18","slug":"simulation-of-absorptivity-of-polymers","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/simulation-of-absorptivity-of-polymers\/","title":{"rendered":"Simulation of absorptivity of polymers"},"content":{"rendered":"<p>I want to apply FDTD to simulate the absorption rate of polytetrafluoron (Teflon, PETE) ,<\/p>\n<p>but I find that the refractive index of PETE is about 1.38, which is close to the silica\uff08SiO2\uff09. So the simulation results show that the material is nearly transparent, but in reality the material has extremely high reflectivity\u3002<\/p>\n<p>Is there a problem with my material modeling method? and How to model this kind of polymer\u3002<\/p>\n<p>thank you so much\uff01<\/p>\n","protected":false},"template":"","class_list":["post-377975","topic","type-topic","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"I want to apply FDTD to simulate the absorption rate of polytetrafluoron (Teflon, PETE) ,but I find that the refractive index of PETE is about 1.38, which is close to the silica\uff08SiO2\uff09. So the simulation results show that the material is nearly transparent, but in reality the material has extremely high reflectivity\u3002Is there a problem\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/simulation-of-absorptivity-of-polymers\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Ansys Learning Forum | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Simulation of absorptivity of polymers | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"I want to apply FDTD to simulate the absorption rate of polytetrafluoron (Teflon, PETE) ,but I find that the refractive index of PETE is about 1.38, which is close to the silica\uff08SiO2\uff09. 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So the simulation results show that the material is nearly transparent, but in reality the material has extremely high reflectivity\u3002Is there a problem\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/simulation-of-absorptivity-of-polymers\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"position\":2,\"name\":\"Topics\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/simulation-of-absorptivity-of-polymers\\\/#listItem\",\"name\":\"Simulation of absorptivity of polymers\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/simulation-of-absorptivity-of-polymers\\\/#listItem\",\"position\":3,\"name\":\"Simulation of absorptivity of polymers\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#organization\",\"name\":\"Ansys Learning Forum\",\"description\":\"Ansys Innovation Space\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/simulation-of-absorptivity-of-polymers\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/simulation-of-absorptivity-of-polymers\\\/\",\"name\":\"Simulation of absorptivity of polymers | Ansys Learning Forum\",\"description\":\"I want to apply FDTD to simulate the absorption rate of polytetrafluoron (Teflon, PETE) ,but I find that the refractive index of PETE is about 1.38, which is close to the silica\\uff08SiO2\\uff09. 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