Talk:Fluid

Physics: Fluid Dynamics Start‑class Mid‑importance

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I'm sure it is an unrecognised buzz word, but I've heard the world fluid been used to describe a gay related sexuality.

Solids which behave like fluids

How does one categorize materials such as sugar or grain, which in bulk have very fluid-like behaviors? A very large number of plastic beads or metal ball-bearings would behave exactly like a fluid. D e nni ☯ 23:22, 27 June 2006 (UTC)[reply]

They are solids. When modelling them, the word used is "granular flow". The distinction is not the the solids behave like fluids but that small abjects together exhibit fluid-like behaviours. And by the way, they do not behave like fluids in many cases.CyrilleDunant 09:08, 29 June 2006 (UTC)[reply]

I don't see how a large container of, say, BBs, would behave any differently from a fluid, except for the property of wetting, and the presence of surface tension. D e nni ☯ 01:27, 30 June 2006 (UTC)[reply]

Definition of a fluid

A fluid is defined as a substance that continually deforms (flows) under an applied shear stress. All liquids and all gases are fluids.

^^ This does not apply to some classes of non-newtonian fluids. (i.e. Bingham plastics).

Removed: notion of deformation under a shear stress regardless of how small the applied stress is. This is 100% untrue.

Confusion

This article needs a rewrite as several parts of it are rather confusing. Please refer to the Rheology article, in which the definitions are much clearer. LouisBB (talk) 14:45, 4 November 2008 (UTC)[reply]

There are other, different Fluids.

There is another fluid. An art piece by Allan Kaprow called Fluids, done in 1967 in Los Angeles. There ought to be a page about that.