Padé approximants for large-amplitude oscillatory shear flow

Verfasser / Beitragende:
[A. Giacomin, Chaimongkol Saengow, Martin Guay, Chanyut Kolitawong]
Ort, Verlag, Jahr:
2015
Enthalten in:
Rheologica Acta, 54/8(2015-08-01), 679-693
Format:
Artikel (online)
ID: 605466645
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024 7 0 |a 10.1007/s00397-015-0856-9  |2 doi 
035 |a (NATIONALLICENCE)springer-10.1007/s00397-015-0856-9 
245 0 0 |a Padé approximants for large-amplitude oscillatory shear flow  |h [Elektronische Daten]  |c [A. Giacomin, Chaimongkol Saengow, Martin Guay, Chanyut Kolitawong] 
520 3 |a Analytical solutions for either the shear stress or the normal stress differences in large-amplitude oscillatory shear flow, both for continuum or molecular models, often take the form of the first few terms of a power series in the shear rate amplitude. Here, we explore improving the accuracy of these truncated series by replacing them with ratios of polynomials. Specifically, we examine replacing the truncated series solution for the corotational Maxwell model with its Padé approximants for the shear stress response and for the normal stress differences. We find these Padé approximants to agree closely with the corresponding exact solution, and we learn that with the right approximants, one can nearly eliminate the inaccuracies of the truncated expansions. 
540 |a Springer-Verlag Berlin Heidelberg, 2015 
690 7 |a Rheology  |2 nationallicence 
690 7 |a Nonlinear viscoelasticity  |2 nationallicence 
690 7 |a Oscillatory shear  |2 nationallicence 
700 1 |a Giacomin  |D A.  |u Chemical Engineering Department, Queen's University, K7L 3N6, Kingston, Ontario, Canada  |4 aut 
700 1 |a Saengow  |D Chaimongkol  |u Polymers Research Group, Queen's University, K7L 3N6, Kingston, Ontario, Canada  |4 aut 
700 1 |a Guay  |D Martin  |u Chemical Engineering Department, Queen's University, K7L 3N6, Kingston, Ontario, Canada  |4 aut 
700 1 |a Kolitawong  |D Chanyut  |u Mechanical and Aerospace Engineering Department, Polymer Research Center, King Mongkut's University of Technology North Bangkok, 10800, Bangkok, Thailand  |4 aut 
773 0 |t Rheologica Acta  |d Springer Berlin Heidelberg  |g 54/8(2015-08-01), 679-693  |x 0035-4511  |q 54:8<679  |1 2015  |2 54  |o 397 
856 4 0 |u https://doi.org/10.1007/s00397-015-0856-9  |q text/html  |z Onlinezugriff via DOI 
898 |a BK010053  |b XK010053  |c XK010000 
900 7 |a Metadata rights reserved  |b Springer special CC-BY-NC licence  |2 nationallicence 
908 |D 1  |a research-article  |2 jats 
949 |B NATIONALLICENCE  |F NATIONALLICENCE  |b NL-springer 
950 |B NATIONALLICENCE  |P 856  |E 40  |u https://doi.org/10.1007/s00397-015-0856-9  |q text/html  |z Onlinezugriff via DOI 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Giacomin  |D A.  |u Chemical Engineering Department, Queen's University, K7L 3N6, Kingston, Ontario, Canada  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Saengow  |D Chaimongkol  |u Polymers Research Group, Queen's University, K7L 3N6, Kingston, Ontario, Canada  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Guay  |D Martin  |u Chemical Engineering Department, Queen's University, K7L 3N6, Kingston, Ontario, Canada  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Kolitawong  |D Chanyut  |u Mechanical and Aerospace Engineering Department, Polymer Research Center, King Mongkut's University of Technology North Bangkok, 10800, Bangkok, Thailand  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Rheologica Acta  |d Springer Berlin Heidelberg  |g 54/8(2015-08-01), 679-693  |x 0035-4511  |q 54:8<679  |1 2015  |2 54  |o 397