Did you all know that there is a Deborah number? :) The description somehow fits. (Im exploring my name meanings and associations...) From Wikipedia: The Deborah number (De) is a dimensionless number, often used in rheology to characterize the fluidity of materials under specific flow conditions. It is based on the premise that given enough time even a solid-like material will flow. The flow characteristics are not inherent properties of the material alone, but a relative property which depends on two fundamentally different characteristic times. Formally, the Deborah number is defined as the ratio of the relaxation time characterizing the time it takes for a material to adjust to applied stresses or deformations, and the characteristic time scale of an experiment (or a computer simulation) probing the response of the material. It incorporates both the elasticity and viscosity of the material. At lower Deborah numbers, the material behaves in a more fluidlike manner, with an associated Newtonian viscous flow. At higher Deborah numbers, the material behavior enters the non-Newtonian regime, increasingly dominated by elasticity and demonstrating solidlike behavior. It was originally proposed by Markus Reiner, a professor at Technion in Israel, inspired by a verse in the Bible, stating The mountains flowed before the Lord in a song by prophetess Deborah (Judges 5:5).
Posted on: Sat, 12 Apr 2014 18:31:03 +0000
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