{"id":167862,"date":"2022-03-29T10:32:01","date_gmt":"2022-03-29T10:32:01","guid":{"rendered":"\/forum\/forums\/topic\/structure-added-mass-vibration\/"},"modified":"2022-04-07T05:09:17","modified_gmt":"2022-04-07T05:09:17","slug":"structure-added-mass-vibration","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/structure-added-mass-vibration\/","title":{"rendered":"Structure &#8211; Added Mass Vibration"},"content":{"rendered":"<div class=\"Item-Body\">\n<div class=\"Message userContent\">\n<p>Hello peter<\/p>\n<p><\/p>\n<\/p>\n<p>For local vibration analysis, when local structures are in contact with fluid, the added mass effect of the fluid must be considered in the calculation. The added mass can be considered either through virtual mass method using boundary element method (BEM) such as &lsquo;MFLUID&rsquo; card of MSC NASTRAN or using empirical formulas.<\/p>\n<p>How to get added mass from Ansys aqwa, when I don&#039;t have complete ship, just portion of ship to do local vibrational analysis?<\/p>\n","protected":false},"template":"","class_list":["post-167862","topic","type-topic","status-closed","hentry","topic-tag-peteroznewman"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hello peterFor local vibration analysis, when local structures are in contact with fluid, the added mass effect of the fluid must be considered in the calculation. The added mass can be considered either through virtual mass method using boundary element method (BEM) such as \u2018MFLUID\u2019 card of MSC NASTRAN or using empirical formulas.How to get\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/structure-added-mass-vibration\/\" \/>\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=\"Structure \u2013 Added Mass Vibration | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Hello peterFor local vibration analysis, when local structures are in contact with fluid, the added mass effect of the fluid must be considered in the calculation. The added mass can be considered either through virtual mass method using boundary element method (BEM) such as \u2018MFLUID\u2019 card of MSC NASTRAN or using empirical formulas.How to get\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/structure-added-mass-vibration\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2022-03-29T10:32:01+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2022-04-07T05:09:17+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Structure \u2013 Added Mass Vibration | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Hello peterFor local vibration analysis, when local structures are in contact with fluid, the added mass effect of the fluid must be considered in the calculation. The added mass can be considered either through virtual mass method using boundary element method (BEM) such as \u2018MFLUID\u2019 card of MSC NASTRAN or using empirical formulas.How to get\" \/>\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\\\/structure-added-mass-vibration\\\/#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\\\/peteroznewman\\\/#listItem\",\"name\":\"peteroznewman\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/peteroznewman\\\/#listItem\",\"position\":3,\"name\":\"peteroznewman\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/peteroznewman\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/structure-added-mass-vibration\\\/#listItem\",\"name\":\"Structure &#8211; Added Mass Vibration\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/structure-added-mass-vibration\\\/#listItem\",\"position\":4,\"name\":\"Structure &#8211; Added Mass Vibration\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/peteroznewman\\\/#listItem\",\"name\":\"peteroznewman\"}}]},{\"@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\\\/structure-added-mass-vibration\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/structure-added-mass-vibration\\\/\",\"name\":\"Structure \\u2013 Added Mass Vibration | Ansys Learning Forum\",\"description\":\"Hello peterFor local vibration analysis, when local structures are in contact with fluid, the added mass effect of the fluid must be considered in the calculation. 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