flatness problem
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flatness problem
[′flat·nəs ‚präb·ləm] (astronomy)
The problem of explaining why, after 1010 years of expansion, the density parameter is of the order of 1, whereas the standard big-bang theory suggests that once this parameter deviates even slightly from 1 it very quickly approaches an asymptotic value far away from 1 for open or closed universes.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive
An adaptation of the dual-affine interior point method for the surface
flatness problem, European Journal of Operational Research, Volume 181, Issue 3, September 2007, pp.
Changing only one jackscrew raises or lowers one end of the work roll, correcting the simplest kind of
flatness problem in the strip-stock: elongation that varies linearly from one edge of the strip to the other.
Introducing helium, which has six times the conductivity of air, will help overcome
flatness problems.
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