{"id":373848,"date":"2024-07-27T10:55:15","date_gmt":"2024-07-27T10:55:15","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/question-about-streamlinevelocity-or-velocity-of-stn-frame\/"},"modified":"2024-07-27T10:55:15","modified_gmt":"2024-07-27T10:55:15","slug":"question-about-streamlinevelocity-or-velocity-of-stn-frame","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/question-about-streamlinevelocity-or-velocity-of-stn-frame\/","title":{"rendered":"Question about streamline(velocity or velocity of stn frame)"},"content":{"rendered":"<p>Hi everyone<\/p>\n<p>I am currentlly simulate a compressor with a rotor inside and I use MRF method to let rotor rotate.<\/p>\n<p>But I am comfusing about when drawing streamlines in cfd post in ansys, you can choose velocity or velocity in stn frame in the variable.<\/p>\n<p>What is the difference between the two? Thank you so much!<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/07\/27-07-2024-1722077684-question.png\" alt=\"\"><\/p>\n","protected":false},"template":"","class_list":["post-373848","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hi everyoneI am currentlly simulate a compressor with a rotor inside and I use MRF method to let rotor rotate.But I am comfusing about when drawing streamlines in cfd post in ansys, you can choose velocity or velocity in stn frame in the variable.What is the difference between the two? 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Thank you so much!\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/07\/27-07-2024-1722077684-question.png\" \/>\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\\\/question-about-streamlinevelocity-or-velocity-of-stn-frame\\\/#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\\\/question-about-streamlinevelocity-or-velocity-of-stn-frame\\\/#listItem\",\"name\":\"Question about streamline(velocity or velocity of stn frame)\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/question-about-streamlinevelocity-or-velocity-of-stn-frame\\\/#listItem\",\"position\":3,\"name\":\"Question about streamline(velocity or velocity of stn frame)\",\"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\\\/question-about-streamlinevelocity-or-velocity-of-stn-frame\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/question-about-streamlinevelocity-or-velocity-of-stn-frame\\\/\",\"name\":\"Question about streamline(velocity or velocity of stn frame) | Ansys Learning Forum\",\"description\":\"Hi everyoneI am currentlly simulate a compressor with a rotor inside and I use MRF method to let rotor rotate.But I am comfusing about when drawing streamlines in cfd post in ansys, you can choose velocity or velocity in stn frame in the variable.What is the difference between the two? 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