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October 18, 2018, 15:40 |
Cfx
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#1 |
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amin malmir
Join Date: Oct 2018
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Hi.
I want to simulate a marine propeller in cfx. I have heard there are three ways to do. First one: using of one cylinderical domain that is constant and the propeller is rotating. Second: two cylinderical domain that the smaller one is rotating and the bigger is constant. Third : the propeller is constant and one cylinder is rotating. Am i right? |
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October 18, 2018, 18:47 |
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#2 |
Super Moderator
Glenn Horrocks
Join Date: Mar 2009
Location: Sydney, Australia
Posts: 17,862
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I do not understand what you are proposing. If you are modelling a spinning propeller then you need to spin it somehow. The easiest way to do this is with a rotation frame of reference, so the propeller needs to be in a rotating frame of reference. The only choice is whether you have a stationary frame of reference around it, which you would use to model things which are not rotating like the ship hull or free surface.
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