Global existence for a 2D incompressible viscoelastic model with small strain

Zhen Lei, Chun Liu, Yi Zhou

Research output: Contribution to journalArticlepeer-review

69 Scopus citations


In this paper, we continue our previous study towards understanding the two-dimensional hydrodynamic systems describing Oldroyd type incompressible viscoelastic fluids. We will decompose the deformation tensor into the strain and rotation components and look at their distinct contributions and structures in the small strain (with respect to viscosity) dynamics. In particular, we prove that there exist classical solutions globally in time if the strain component of the initial deformation is small enough, while we require no assumptions on smallness of the magnitude of the rotation component.

Original languageEnglish (US)
Pages (from-to)595-616
Number of pages22
JournalCommunications in Mathematical Sciences
Issue number3
StatePublished - 2007

All Science Journal Classification (ASJC) codes

  • General Mathematics
  • Applied Mathematics


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