Dilute rigid dumbbell suspensions in large-amplitude oscillatory shear flow: Shear stress response

2014 ◽  
Vol 140 (7) ◽  
pp. 074904 ◽  
Author(s):  
R. B. Bird ◽  
A. J. Giacomin ◽  
A. M. Schmalzer ◽  
C. Aumnate
Keyword(s):  
Shear Stress ◽  
Stress Response ◽  
Shear Flow ◽  
Large Amplitude ◽  
Oscillatory Shear ◽  
Large Amplitude Oscillatory Shear ◽  
Flow Shear ◽  
Oscillatory Shear Flow ◽  
Flow Shear Stress ◽  
Shear Stress Response

The Transition to Quasi-Periodicity for Molten Plastics in Large Amplitude Oscillatory Shear

1994 ◽  
Vol 116 (4) ◽  
pp. 446-450 ◽  
Author(s):  
D. W. Adrian ◽  
A. J. Giacomin
Keyword(s):  
Shear Stress ◽  
Stress Response ◽  
Large Amplitude ◽  
Average Molecular Weight ◽  
Oscillatory Shear ◽  
Large Amplitude Oscillatory Shear ◽  
Weight Average Molecular Weight ◽  
Amplitude Spectra ◽  
Shear Stress Response ◽  
Even Harmonics

Large amplitude oscillatory shear (LAOS) experiments on three grades of LLDPE including one commercial film blowing resin showed an interesting transition in the shear stress response to LAOS. The shear stress response is initially a nonsinusoidal standing wave which then undergoes a transition to quasi-periodicity. Many line-broadened odd and even harmonics were found in the shear stress amplitude spectra of the quasi-periodic responses. The transition time depends on shear strain amplitude and frequency, but it did not correlate with the weight average molecular weight of the LLDPE’s.

scholarly journals Simple Accurate Expressions for Shear Stress in Large-Amplitude Oscillatory Shear Flow

2017 ◽  
Vol 45 (5) ◽  
pp. 251-260 ◽  
Author(s):  
Chaimongkol Saengow ◽  
Alan Jeffrey Giacomin ◽  
Nidal Khalaf ◽  
Martin Guay
Keyword(s):  
Shear Stress ◽  
Shear Flow ◽  
Large Amplitude ◽  
Oscillatory Shear ◽  
Large Amplitude Oscillatory Shear ◽  
Oscillatory Shear Flow

scholarly journals Power series for shear stress of polymeric liquid in large-amplitude oscillatory shear flow

2018 ◽  
Vol 30 (3) ◽  
pp. 169-178 ◽  
Author(s):  
Pongthep Poungthong ◽  
Chaimongkol Saengow ◽  
Alan Jeffrey Giacomin ◽  
Chanyut Kolitawong
Keyword(s):  
Shear Stress ◽  
Power Series ◽  
Shear Flow ◽  
Large Amplitude ◽  
Oscillatory Shear ◽  
Large Amplitude Oscillatory Shear ◽  
Polymeric Liquid ◽  
Oscillatory Shear Flow
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