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o0crane0o

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[求助] 混合物，多孔的物态方程怎么算，求指导 已有1人参与

混合物，多孔的物态方程怎么算，求指导

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o0crane0o: 金币+278, ★★★★★最佳答案 2015-01-12 11:19:39
A cold energy mixture theory for the equation of state in solid and porous metal mixtures
里面有方法
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3楼2015-01-12 11:17:25
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浩浩侠

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感谢参与，应助指数 +1
In the case of porous material for a single element, a
number of EOS are available in the literature based on work
by McQueen and Marsh,5 Herrmann,6 and Salvadori et al.7
Here a “snow plow” model, which neglects the compaction
process, was used for porous materials with an assumption
of the porosity being removed at a very low stress. Dijken
and De Hossen8 gave different methods for Hugoniot curves
for normal and anomalous cases based on the assumption
that a powder at zero pressure from V00 (the specific volume
for a porous material) to V0 (the specific volume for a solid
material) does not alter the internal energy. Oh and Persson9
derived eight equations for porous materials using the linear
relationship between the shock wave velocity and the particle velocity. Simons and Legner10 obtained the Hugoniot
pressure in terms of the cold pressure, energy, and density
for a porous material. Wu and Jing and colleagues11–13 and
Boshoff-Mostert and Viljoen14 derived an alternative equation of state that has the same form as the Mie-Gru¨neisen
EOS by using the specific enthalpy. For a solid multi-component mixture, an important acknowledged contribution is the
so-called zero temperature mixture theory recommended by
Meyers,15 and McQueen et al.,16 which eliminates the temperature effect of different components. Such a theory was
used to calculate the 0 K isotherm for two constituents by
using mass averages of the specific volume, the cold internal
energy, and the Gru¨neisen coefficient.
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4楼2015-01-12 11:19:12
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