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  • Users: atm98
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  1. atm98

    Can CFD do this???

    Here is a simplified scenerio: Submerge a cup in a large tub of water. Let the air out and flip it upside down. Attach a string to the closed bottom (now top). Apply a sinusoidal movement to the string from surface to simulate wave under a boat. I am interested in the general dynamics: cup...
  2. atm98

    Fluid Behavior orifice or piston-like design

    Hello all. I am working on a very large hydraulic shock absorber (spring is pressurized nitrogen). The dampening is done by an orifice. My concern is that the orifice is restricting flow and negating the spring's behavior. Is there any difference in the orifice design as compared to a piston...
  3. atm98

    Flow rate in and out does not match

    I recently reviewed a ANSYS CFD report of a custom valve and noticed that the flow rate in and flow rate out did not match. More came in then out. I am currently playing with the Comsol packages and did a quick model of a pipe with a reduced port in the middle. Again the report showed a...

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