منابع مشابه
Soft elasticity in smectic elastomers.
We investigate the soft elastic modes of smectic elastomers, that is shape change without energy cost. We use a microscopic model for their nonlinear elasticity, similar to those used for nematic elastomers. We consider two different phases of smectic elastomer; the biaxial smectic A for a simple illustration, and smectic C phases which are of great practical significance. We show that only one...
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A two-dimensional effective model for the semi-soft elastic behavior of nematic elastomers is derived in the thin film limit. The model is used to investigate numerically the force-stretch curves, the deformed shape, and to resolve the local patterns in the director orientation in a stretching experiment. From the force-stretch curves we recover the two critical stretches which mark the transit...
متن کاملDynamic soft elasticity in monodomain nematic elastomers.
We study the linear dynamic-mechanical response of monodomain nematic liquid crystalline elastomers under shear in the geometry that allows the director rotation. The aspects of time-temperature superposition are discussed at some length and Master Curves are obtained between the glassy state and the nematic transition temperature Tni. However, the time-temperature superposition did not work th...
متن کاملElasticity of soft tissues in simple elongation.
FUNG, Y. C. B. Elasticity of soft tissues in simple elongation. Am. J. Physiol. 213(6) : 1532-l 544. 1967 .-Elasticity of living soft tissues is strongly nonlinear. Based on experimental results on rabbits’ mesentery, a theoretical framework is presented in which the elastic properties of soft tissues can be described. It is shown that the mathematical formulation works well also in reducing pu...
متن کاملLocalized soft elasticity in liquid crystal elastomers
Synthetic approaches to prepare designer materials that localize deformation, by combining rigidity and compliance in a single material, have been widely sought. Bottom-up approaches, such as the self-organization of liquid crystals, offer potential advantages over top-down patterning methods such as photolithographic control of crosslink density, relating to the ease of preparation and fidelit...
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ژورنال
عنوان ژورنال: Journal of Colloid and Interface Science
سال: 2017
ISSN: 0021-9797
DOI: 10.1016/j.jcis.2017.04.033