Tests of the Affinity Assumption in Phantomlike Elastomer Networks


Phantomlike elastomer simulations do not always deform globally affinely in the way that classical theory predicts. Assuming that each crosslink will deform affinely with its topological neighbors gives much better results, and creates a way to isolate crosslinks with unpredictable deformation properties. The correlation of non-affinities and network properties depends on the constitutive model and boundary condition used. We always find a correlation between local density of crosslinks and degree of non-affinity.

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Davies, M., Lew, A. Tests of the Affinity Assumption in Phantomlike Elastomer Networks. MRS Online Proceedings Library 1190, 1138 (2009). https://doi.org/10.1557/PROC-1190-NN11-38

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