aerohead -
Quote:
Originally Posted by aerohead
I wish I could slam image stuff like that out on the net.It's exactly what Christ is talking about,and anyone looking,will come immediately up to speed on the discussion.------------- Each of those steps will have a locked-vortex over which the surrounding air will flow.You will lose some energy due to the circulation,however there should be a net drag reduction.---------Continuum Dynamics did this sort of thing with an 18-wheeler,and with single panels.The more panels,the smaller the steps.At an infinite number of panels you have the smooth curve.------ This step thing will be heavier but will be very simple to construct.Thanks much for the image!
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I just did these
here :
This was the original "staircase" I did, but the steps were too small to see any vortex action :
Here are the inputs I used for each run :
Code:
Re =2,500,000
dt =0.01
movie length, sec = 40
width = 256
height= 128
visual cutoff level = 40
CarloSW2