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Simple Fluids and Fading Memory

  • Daniel D. Joseph
Part of the Applied Mathematical Sciences book series (AMS, volume 84)

Abstract

Incompressible simple fluids are fluids which depend only on the history of the first spatial gradient of the deformation, on ∇χt(x,τ)=F t(τ) Nearly all of the constitutive equations used for amorphous liquids are of this type. On the face of it, this is a very restrictive assumption. Certainly, we would not want to restrict attention to fluids whose histories are represented only by first derivatives with respect to time. Fluids whose constitutive equation depends on second or higher gradients, or the objects to which series of such higher gradients might approximate, are not described as simple fluids, but they could be important.

Keywords

Constitutive Equation Rate Equation Undeformed State Extra Stress Fourth Order Tensor 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1990

Authors and Affiliations

  • Daniel D. Joseph
    • 1
  1. 1.Department of Aerospace Engineering and MechanicsUniversity of MinnesotaMinneapolisUSA

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