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November 30, 2011, 08:42 |
One way valve geometry GAMBIT
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#1 |
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Efthymios Efthymiou
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Can anyone help me to design one way valve geometry in gambit? Actually I am currently studying an unsteady flow through a pipe (after water exits pump) and I want to see the effect of adding an one-way-valve (known also as check valve) into the pipe.
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November 30, 2011, 08:46 |
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#2 |
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Maxime Perelli
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Do you have a sketch of your valve?
Already built within CAD maybe?
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November 30, 2011, 08:49 |
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#3 |
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Efthymios Efthymiou
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Actually not. I am very new in CFD analysis and I don't know so many things. Do I have to make a CAD first and then try to design geometry in Gambit?
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November 30, 2011, 08:53 |
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#4 |
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Maxime Perelli
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not necessary.
Prior to CFD analysis, you need to built your geometry (cad package or gambit). Once you know your design, I will help you
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November 30, 2011, 08:54 |
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#5 |
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Efthymios Efthymiou
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Ok max. I will provide you with my design as soon as I have it. Thank you!
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December 5, 2011, 09:23 |
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#6 | |
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Efthymios Efthymiou
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Quote:
http://www.youtube.com/watch?v=aOOdW...eature=related http://www.youtube.com/watch?v=qi7rh...B06A3A816195D1 |
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December 5, 2011, 10:34 |
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#7 |
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Efthymios Efthymiou
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http://www.youtube.com/watch?v=ehDd4...eature=related
Something like this I think is the easiest way. Can I create that in 2-d? Last edited by ftimis; December 5, 2011 at 11:52. |
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December 5, 2011, 11:53 |
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#8 |
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Efthymios Efthymiou
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December 5, 2011, 12:01 |
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#9 |
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Maxime Perelli
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static ou moving mesh?
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December 5, 2011, 12:04 |
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#10 |
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Efthymios Efthymiou
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December 5, 2011, 12:09 |
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#11 |
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Efthymios Efthymiou
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The straight pipe that I had design is created by 4 vertices ((0,0,0), (8,0,0), (0,0.05,0), (8,0.05,0)). I connected those vertices and created 4 edges. The boundary conditions are (velocity inlet, wall, pressure outlet and axis). Analyze in fluent 6.3 an axissymetric unsteady flow. Now I want to attach one-way-valve in this pipe to see the difference. Do I have to design a different pipe or just attach the valve in the existing one?
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December 5, 2011, 12:10 |
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#12 |
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Maxime Perelli
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the ball may rotate and it will open/close the valve.
Try first static mesh (one position (ball-angle))
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December 5, 2011, 12:17 |
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#13 |
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Efthymios Efthymiou
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December 5, 2011, 12:33 |
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#14 |
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Maxime Perelli
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yes but not in 2d-axisymmetric
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December 5, 2011, 12:45 |
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#15 |
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Efthymios Efthymiou
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December 5, 2011, 12:53 |
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#16 |
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Maxime Perelli
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sketch first on paper, and post here
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December 5, 2011, 13:22 |
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#17 |
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Efthymios Efthymiou
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here is the sketch. I hope that is clear and I will be able to create one of these geometries.
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December 6, 2011, 00:49 |
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#18 |
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Maxime Perelli
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In fact I expected a sketch with dimensions
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