Constitutive equation for polymer liquids: application to shear flow

1981 ◽  
Vol 9 (1-2) ◽  
pp. 91-105 ◽  
Author(s):  
G. De Cleyn ◽  
J. Mewis
Keyword(s):  
Constitutive Equation ◽  
Shear Flow ◽  
Polymer Liquids

Relaxation dynamics of entangled polymer liquids in steady shear flow

2003 ◽  
Vol 47 (2) ◽  
pp. 469-482 ◽  
Author(s):  
Javier Sanchez-Reyes ◽  
Lynden A. Archer
Keyword(s):  
Shear Flow ◽  
Steady Shear ◽  
Relaxation Dynamics ◽  
Steady Shear Flow ◽  
Polymer Liquids ◽  
Entangled Polymer

Oscillatory shear flow between two parallel plates for viscoelastic constitutive model of distributed-order derivative

2019 ◽  
Vol 30 (3) ◽  
pp. 1137-1148
Author(s):  
Jun-Sheng Duan ◽  
Lian Chen
Keyword(s):  
Constitutive Equation ◽  
Shear Flow ◽  
Viscoelastic Properties ◽  
Oscillatory Shear ◽  
Weight Functions ◽  
Parallel Plates ◽  
Content Type ◽  
Oscillatory Shear Flow ◽  
Viscoelastic Constitutive Model ◽  
Distributed Order

Purpose The purpose of this study is to investigate viscoelastic properties for the constitutive equation in terms of distributed-order derivatives. Design/methodology/approach The authors considered the steady oscillatory shear flow between two parallel plates (one is fixed and another oscillates in its own plane), and then examined the effects of different forms of the order-weight functions. Findings The constitutive equation in terms of distributed-order derivatives can characterize viscoelastic properties. The order-weight functions can effectively describe viscoelasticity. Originality/value Model the viscoelastic constitutive equation in terms of distributed-order derivatives, where order-weight functions can select to respond viscoelastic properties.

Modeling of nonlinear effects in the theory of the flow of polymer liquids when superposition periodic oscillations on a stationary shear flow

2021 ◽  
Author(s):  
Gleb O. Rudakov ◽  
Aleksandr A. Laas ◽  
Mariya A. Makarova ◽  
Anzhela S. Malygina ◽  
Grigoriy V. Pyshnograi
Keyword(s):  
Shear Flow ◽  
Nonlinear Effects ◽  
Periodic Oscillations ◽  
Polymer Liquids
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