Stress tensor expressions for dispersions
作者:
R. J. J. Jongschaap,
J. Mellema,
期刊:
Journal of Rheology
(AIP Available online 1995)
卷期:
Volume 39,
issue 5
页码: 953-959
ISSN:0148-6055
年代: 1995
DOI:10.1122/1.550625
出版商: The Society of Rheology
关键词: BROWNIAN MOVEMENT;COLLOIDS;DISPERSIONS;DISTRIBUTION FUNCTIONS;LANGEVIN EQUATION;RHEOLOGY;STOCHASTIC PROCESSES;STRESSES;STRESS−STRAIN RELATION
数据来源: AIP
摘要:
The derivation of the expression of the Brownian contribution to the stress tensor in a dispersion of spherical particles is discussed in relation to the level of description. The result obtained by Batchelor at the configuration space level is compared with a similar result of Bossis and Brady, derived at the underlying stochastic level from a Langevin equation. It is shown that the result of Bossis and Brady may be derived also at the configuration space level. This clarifies the connection between both approaches and provides a generalization of Batchelor’s result.
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