ANSYS CFX Fluidflow around 30x15x35 (LxWxH) in 26 metre

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Uploaded by on Jul 28, 2008

ANSYS CFX Fluidflow around 30x15x35 (LxWxH) in 26 metre height. Timescale per step: 2.5*10^-2 sec. Total steps 1500. Each frame is taken every 10 steps. The inlet boundary condition is a velocity profile: 1.45*25[m/s]*(z/10[m])^0.12 where z is the height.

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Uploader Comments (term1978)

  • Very nice!

    Why the velocity profile for the inlet condition instead of a normal velocity? Would you still get vortex shedding along the broadside of the object with a constant inlet velocity?

    Cheers

  • @JamesUWA the velocity profile is taken from the DIN 1055-4.

    It was part of the thesis to verify rules of this DIN.

    I'm sure you would get the vortex shedding with a constant velocity too. The vortex shedding happens just at the begin of the simulation. After some seconds there is no vortex shedding anymore and the flow pattern is stable.

  • study the comprehensive ansys help. there are a lot of tutorials.

see all

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  • do you know where i could get tutorials on how to simulate fluids with ansys? i want to test a boat hull in water condition.... but don't really know how yet

  • can you explain a little more exactly what you mean, pls?

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