Journal
JOURNAL OF CHEMICAL PHYSICS
Volume 141, Issue 19, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4901275
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Funding
- Deutsche Forschungsgemeinschaft (DFG) [SPP 1681]
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Connecting the different length scales of characterization is an important, but often very tedious task for soft matter systems. Here, we carry out such a procedure for the theoretical description of anisotropic uniaxial magnetic gels. The so-far undetermined material parameters in a symmetrybased macroscopic hydrodynamic-like description are determined starting from a simplified mesoscopic particle-resolved model. This mesoscopic approach considers chain-like aggregates of magnetic particles embedded in an elastic matrix. Our procedure provides an illustrative background to the formal symmetry-based macroscopic description. There are presently other activities to connect such mesoscopic models as ours with more microscopic polymer-resolved approaches; together with these activities, our study complements a first attempt of scale-bridging from the microscopic to the macroscopic level in the characterization of magnetic gels. (C) 2014 AIP Publishing LLC.
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