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11 - Molecular Simulations

Published online by Cambridge University Press:  21 July 2022

Claudio Zannoni
Affiliation:
University of Bologna, Italy
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Summary

Off-lattice models both based on purely repulsive or attractive-repulsive Gay–Berne models allow us to simulate liquid crystal phases with some positional as well as orientational order. This chapter summarizes simulation results for anisotropic particles of elongated or discotic shape of the two types either pristine or decorated with charges, dipoles and quadrupoles. Beyond showing the effect of key molecular features (e.g. aspect ratios) on morphologies and phase diagrams, applications specific to liquid crystals, like the calculation of elastic constants and the simulation of a TN LCD, are reported. Tapered, bowlic and biaxial GB type single particle systems as well as more complex ones based of multi-particle mesogens (banana phases, polymers, elastomers) are discussed.

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Publisher: Cambridge University Press
Print publication year: 2022

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  • Molecular Simulations
  • Claudio Zannoni
  • Book: Liquid Crystals and their Computer Simulations
  • Online publication: 21 July 2022
  • Chapter DOI: https://doi.org/10.1017/9781108539630.012
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  • Molecular Simulations
  • Claudio Zannoni
  • Book: Liquid Crystals and their Computer Simulations
  • Online publication: 21 July 2022
  • Chapter DOI: https://doi.org/10.1017/9781108539630.012
Available formats
×

Save book to Google Drive

To save content items to your account, please confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about saving content to Google Drive.

  • Molecular Simulations
  • Claudio Zannoni
  • Book: Liquid Crystals and their Computer Simulations
  • Online publication: 21 July 2022
  • Chapter DOI: https://doi.org/10.1017/9781108539630.012
Available formats
×