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Old   November 29, 2000, 21:47
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Steven
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Thanks for the responses to my previous message on square cylinder in channel flow. I have managed to find a journal on flow past square cylinder describing its streamfunction and vorticity contours. But as I have heard before, but am not sure about it, there seem to be little information available regarding this flow at low Reynolds numbers, particularly from 5 to 30, where no vortex shedding is observed. I need to find the lift and drag coefficients at this Reynolds range. Please advise and thanks again!
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Old   November 30, 2000, 07:47
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Sebastien Perron
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A this site:

http://www.featflow.de/

There are a few articles on this problems. In these articles you will find lift drag coefficients for this problem for both 2D and 3D flow for Reynold's Numbers of 20 and 100.

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Old   November 30, 2000, 07:52
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Sebastien Perron
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A this address:

http://www.featflow.de/ture/papers.html

There are a few articles on this problem. In these articles you will find lift drag coefficients for this problem for both 2D and 3D flow for Reynold's Numbers of 20 and 100.

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Old   November 30, 2000, 07:55
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andy
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At this Reynolds Number, low Mach Number and with a strongly Newtonian fluid (could substitute other fluids if the model was known to be very accurate) any consistent scheme with a high resolution and sound boundary conditions is going to produce:

(a) more accurate information than an experiment

(b) informatation everywhere about everything

I suspect that if you find (modern) experimental information for this flow it will have been conducted to check experimental technique against a numerical prediction.

Many standard test cases such as this have highly refined numerical solutions made available for people to check their predictions against. I am not aware of any for this particular test case but would guess they probably exist. It may be a more fruitful line to pursue.

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