J
J. Schaeffer
Researcher at University of Stuttgart
Publications - 2
Citations - 75
J. Schaeffer is an academic researcher from University of Stuttgart. The author has contributed to research in topics: Simple shear & Shear flow. The author has an hindex of 2, co-authored 2 publications receiving 74 citations.
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Journal ArticleDOI
Assessment of nonlinear strain measures for extensional and shearing flows of polymer melts
Manfred H. Wagner,J. Schaeffer +1 more
TL;DR: In this article, nonlinear strain measures and effective damping functions for polyisobutylene melt are derived from stress-strain experiments in extensional and shearing flows.
Journal ArticleDOI
Constitutive equations from Gaussian slip-link network theories in polymer melt rheology
Manfred H. Wagner,J. Schaeffer +1 more
TL;DR: In this paper, the constitutive equations of temporary slip-link networks are derived, and the stress tensor is determined by three material functions, namely, the time-dependent linear-viscoelastic memory function, and two strain-dependent functions describing slip and disentanglement of network strands.