A. Fortin

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The simulation of highly viscoelastic fluid flow problems is still plagued with the so-called high Weis-senberg problem (HWP). The Weissenberg number W e is the ratio of the magnitude of the elastic forces to that of the viscous forces. Most (if not all) numerical methods lose convergence i.e. fail to generate any result and/or fail to generate convergent(More)
The development of backfat (total and individual layers) was monitored in 140 Yorkshire pigs (71 castrates and 69 gilts) during a growing period extending from 14·5 kg to 137·0 kg live weight using a serial slaughter procedure. The allometric coefficient (b) for fat thickness was calculated at several locations extending from the shoulder to the M. gluteus(More)
EDITORIAL Editorial W elcome to the new issue of SIGEVOlution. More than a year has passed from the last editorial and I apologize for the huge delay. I hope you missed "us" since "we" missed you too! Like a phoenix, the mythological long-lived bird that is cyclically regenerated or reborn, here we are again with a new juicy menu. We start with an article(More)
The simulation of highly viscoelastic fluid flow problems is still plagued with the so-called high Weissenberg problem (HWP). The Weissenberg number W e is the ratio of the magnitude of the elastic forces to that of the viscous forces. Most (if not all) numerical methods lose convergence i.e. fail to generate any result and/or fail to generate convergent(More)
2 Abstract This paper deals with linear and non-linear hydrodynamic stability of the two-dimensional Poiseuille ow. A new numerical approach for the study of linear stability is presented. A numerical study of the transition of the ow to chaos is also presented. Using tools from dy-namical system theory, we identify and characterize the diierent solutions(More)
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