Virtual Disk - Ship propulsion
Just wondering if the Virtual disk adds resistance to the ship resistance?
I've already have the ship resistance but as soon as i add a virtual disk to simulate the propeller, my resistance increases at least twice. Didn't change anything i.e. mesh, physics model, dfbi, time-step. The thrust value is pretty similar to my experiment but the resistance is at least 2x more. Help, anyone? |
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I've actually followed the tutorial in Star CCM, setting the coordinate system of the virtual disk to the coordinate system of the ship. I was actually having problems with tutorial in Star CCM for a self propulsion ship as the ship will just trim and heave like crazy. I was expecting my thrust for would be very high but it is the exact same value as my experimental value. |
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