On the equivalence of simplest non-linear rheological equations for viscoelastic polymer media
β Scribed by A. I. Leonov
- Publisher
- Springer-Verlag
- Year
- 1982
- Tongue
- English
- Weight
- 561 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0035-4511
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π SIMILAR VOLUMES
Linear-viscoelastic properties of polydisperse and randomly-branched polymer melts were fit with several proposed relaxation functions by non-linear regression. Three polymer systems were investigated, including 1) crosslinked polyethylenes, 2) polydisperse linear poly(dimethylsiloxane)s, and 3) Mar
## Abstract We prove the global existence of analytic solutions to the nonβlinear viscoelastic equations of the following type: where Ο and Ο are continuous and nonβnegative functions satisfying some additional conditions. The method of the analytic energy estimates is used.
A non-linear viscoelastic model is introduced by employing a new formulation where the relaxation time of rate processes is directly dependent on the induced deformation state applied to the material. The plastic flow of amorphous polymers is considered as a continuous structural change, and the yie