Efficiency of Parallel Direct Numerical Simulations of Turbulent Stratified Shear Flow

2003 ◽  
Author(s):  
Frank Jacobitz
Keyword(s):  
Shear Flow ◽  
Numerical Simulations ◽  
Direct Numerical Simulations ◽  
Stratified Shear Flow

Direct simulation of fiber suspensions under smalland large amplitude oscillatory shear flow

2020 ◽  
Vol 1 (1) ◽  
Author(s):  
Rabih Mezher
Keyword(s):  
Shear Flow ◽  
Numerical Simulations ◽  
Large Amplitude ◽  
Viscoelastic Properties ◽  
Direct Numerical Simulations ◽  
Oscillatory Shear ◽  
Fiber Suspensions ◽  
Direct Simulation ◽  
Large Amplitude Oscillatory Shear ◽  
Oscillatory Shear Flow

Experimentally, oscillatory shear flow is used to investigate polymeric viscoelastic properties. However, the knowledge of the microstructure’s orientation evolution (kinematics) with time is essential in order to predict those properties, and is difficult experimentally. Therefore it is often required to conduct numerical simulations to get insight on the kinematics evolution of fiber suspensions. The main aim of the current work is to use direct numerical simulations to investigate the time evolution of the orientation and kinematics of fiber suspensions under small and large amplitude oscillatory shear flow. Keywords: fiber suspensions; direct numerical simulation; oscillatory shear flow; fiber-fiber interactions;

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