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Z velocity contour values differ from vectors

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Old   October 7, 2012, 04:23
Default Z velocity contour values differ from vectors
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I just ended a simulation of an agitated tank; when I plot contours of z velocity (z is the vertical coordinate) on a plane passing from its axis, when I click compute I obtain:
min: -0,5768225 m/s
max: 0,7223098 m/s

When I plot vectors (vectors of velocity, color by Z velocity, in plane and fixed length options enabled) on the same plane I obtain:

min: -1,00156 m/s
max: 0,7689688 m/s

Why these values are different?

Thank you

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