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rotation axis origin

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Old   November 20, 2007, 12:43
Default rotation axis origin
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i want to simulate a stirred tank.I've defined the stirrer as moving wall, rotational. Now i have to define the rotation axis origin. Which point excatly is meant by this? I can define a x-value and a y-value. Thanks for your help!

greets aequitas
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Old   November 20, 2007, 12:50
Default Re: rotation axis origin
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sorry, iīve forgot to say that itīs a 2d simulation.
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Old   June 5, 2011, 04:28
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i think u made some far as i'm concerned for simulating a stirred tank in 2D, there are 2 methods:
1- using velocity date which means u don't need MRF any more longer, u just need to fix a zone for impeller with proper BC
2-MRF method which in this way u gotta divide your domain in 2 section one rotating and the other stationary.but u have to stick in your mind that u must rotate fluid adjacent to impeller instead of impeller. there's good tutorial regarding this in fluent. u can get it like having a piece of cake.
good luck
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