High Weissenberg Number Problem and Numerical Simulation of an Annular Extrudate Swell of Viscoelastic Fluids.
نویسندگان
چکیده
منابع مشابه
Flow of viscoelastic fluids past a cylinder at high Weissenberg number: stabilized simulations using matrix logarithms
The log conformation representation proposed in [1] has been implemented in a fem context using the DEVSS/DG formulation for viscoelastic fluid flow. We present a stability analysis in 1D and attribute the high Weissenberg problem to the failure of the numerical scheme to balance exponential growth. A slightly different derivation of the log based evolution equation than in [1] is also presente...
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ژورنال
عنوان ژورنال: Seikei-Kakou
سال: 1997
ISSN: 1883-7417,0915-4027
DOI: 10.4325/seikeikakou.9.817