{"id":283137,"date":"2023-05-09T18:56:37","date_gmt":"2023-05-09T18:56:37","guid":{"rendered":"\/forum\/forums\/topic\/multilayered-tubing-with-oxide-layers\/"},"modified":"2023-05-09T18:56:37","modified_gmt":"2023-05-09T18:56:37","slug":"multilayered-tubing-with-oxide-layers","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/multilayered-tubing-with-oxide-layers\/","title":{"rendered":"multilayered tubing with oxide layers"},"content":{"rendered":"<p>hi all, may i know what is the easiest way for me to construct a U-tube shape with different thickness of oxide layers coating it? the oxide layers are chromite, ferrite and magnetite. im interested to perform modal analysis for each layer. for example for the first case, i would like to know the natural frequency of just the tube + 1mm of chromite. the next case is the natural frequency of the tube + 1mm chromite + 5mm magnetite. and lastly the natural frequency of these layers + 2mm of hematite. do i hv to make separate geometries just to get all these cases or 1 geometry is enough? also how to cooperate with mass bcs as the oxide layer thickens, the mass gain causing the natural frequency to change.&nbsp;<\/p>\n","protected":false},"template":"","class_list":["post-283137","topic","type-topic","status-closed","hentry","topic-tag-Modal_Analysis-1","topic-tag-added-mass-modal-analysis"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"hi all, may i know what is the easiest way for me to construct a U-tube shape with different thickness of oxide layers coating it? the oxide layers are chromite, ferrite and magnetite. im interested to perform modal analysis for each layer. for example for the first case, i would like to know the natural\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/multilayered-tubing-with-oxide-layers\/\" \/>\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=\"multilayered tubing with oxide layers | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"hi all, may i know what is the easiest way for me to construct a U-tube shape with different thickness of oxide layers coating it? the oxide layers are chromite, ferrite and magnetite. im interested to perform modal analysis for each layer. for example for the first case, i would like to know the natural\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/multilayered-tubing-with-oxide-layers\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-05-09T18:56:37+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-05-09T18:56:37+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"multilayered tubing with oxide layers | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"hi all, may i know what is the easiest way for me to construct a U-tube shape with different thickness of oxide layers coating it? the oxide layers are chromite, ferrite and magnetite. im interested to perform modal analysis for each layer. for example for the first case, i would like to know the natural\" \/>\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\\\/multilayered-tubing-with-oxide-layers\\\/#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-tag\\\/#Modal_Analysis-1\\\/#listItem\",\"name\":\"#Modal_Analysis\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/#Modal_Analysis-1\\\/#listItem\",\"position\":3,\"name\":\"#Modal_Analysis\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/#Modal_Analysis-1\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/multilayered-tubing-with-oxide-layers\\\/#listItem\",\"name\":\"multilayered tubing with oxide layers\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/multilayered-tubing-with-oxide-layers\\\/#listItem\",\"position\":4,\"name\":\"multilayered tubing with oxide layers\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/#Modal_Analysis-1\\\/#listItem\",\"name\":\"#Modal_Analysis\"}}]},{\"@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\\\/multilayered-tubing-with-oxide-layers\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/multilayered-tubing-with-oxide-layers\\\/\",\"name\":\"multilayered tubing with oxide layers | Ansys Learning Forum\",\"description\":\"hi all, may i know what is the easiest way for me to construct a U-tube shape with different thickness of oxide layers coating it? 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