Journal
ARCHIVE FOR RATIONAL MECHANICS AND ANALYSIS
Volume 215, Issue 3, Pages 741-809Publisher
SPRINGER
DOI: 10.1007/s00205-014-0792-3
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Funding
- China Postdoctoral Science Foundation [2013M540010, 2014T70008]
- NSF of China [50930003, 21274005, 11421101, 11371037]
- Program for New Century Excellent Talents in University
- Fok Ying Tung Education Foundation
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In this paper, we propose a systematic way of liquid crystal modeling to build connections between microscopic theory and macroscopic theory. In the first part, we propose a new Q-tensor model based on Onsager's molecular theory for liquid crystals. The Oseen-Frank theory can be recovered from the derived Q-tensor theory by making a uniaxial assumption, and the coefficients in the Oseen-Frank model can be examined. In addition, the smectic-A phase can be characterized by the derived macroscopic model. In the second part, we derive a new dynamic Q-tensor model from Doi's kinetic theory by the Bingham closure, which obeys the energy dissipation law. Moreover, the Ericksen-Leslie system can also be derived from new Q-tensor system by making an expansion near the local equilibrium.
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