Continuum theories of mixtures: basic theory and historical development
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Cites background from "Continuum theories of mixtures: bas..."
...CONSERVATION IN DEBRIS FLOW MIXTURES Mass and linear momentum balances for debris flows can be borrowed with only minor modification from the relatively mature field of continuum mixture theory [Atkin and Craine, 1976]....
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...The granular temperature may be interpreted as twice the fluctuation kinetic energy per unit mass of granular solids and defined as T 5 ^v9s2& 5 ^vs 2 v̄s!...
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...…be substituted into (61), yielding = ? k~1 2 yf! mC =yf < Dyf Dt (65) This may be interpreted as an advection-diffusion equation for yf, in which the advection velocity is the velocity vs of the reference frame for the material time derivative Dyf/Dt [Iverson, 1993] [cf. Atkin and Craine, 1976]....
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...If the solid and fluid densities are assumed constant, the mass-conservation equation for solids (22a) can be manipulated to yield = z vs 5 (21/ys)(Dys/Dt), in which D/Dt designates the material time derivative following the motion of the solids [Bird et al., 1960; Atkin and Craine, 1976]....
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...However, an absolute distinction between solid and fluid constituents is necessary for application of formal mixture theories [Atkin and Craine, 1976] and can be deduced if time as well as length scales are considered....
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Cites background or methods from "Continuum theories of mixtures: bas..."
...We remark that the above model of the mixing layer is different from the more traditional models of homogeneous mixtures (see Atkin & Crane (1976) and Bedford & Drumheller (1983) for comprehensive reviews)....
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...the conserved order parameter (Cahn-Hilliard diffusion) was suggested in Truskinovsky (1993) (see Appendix A)....
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