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In order to simulate large soft condensed systems for long times |
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within a reasonable amount of computational time, some new |
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coarse-grained models are presented in this dissertation to describe |
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phospholipids and banana-shaped liquid crystals. Although these |
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phospholipids and liquid crystals. Although these |
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models can be described using a small number of physical parameters, |
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it is not trivial to introduce rigid constraints between different |
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molecular fragments correctly and efficiently. Working with |
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of performing simulation on systems with orientational degrees of |
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freedom in a variety of ensembles. Using this new package, I studied |
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the structure, dynamics and transport properties of the biological |
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membranes as well as the the phase behavior of banana shaped liquid |
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membranes as well as the the phase behavior of liquid |
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crystals. A new Langevin dynamics algorithm for arbitrary rigid |
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particles is also presented to mimic solvent effects which may |
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eventually expand the time scale of the simulation. |