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Elasticity and pattern formation of ...

Ye, Fangfu.

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Elasticity and pattern formation of nematic elastomers.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Elasticity and pattern formation of nematic elastomers./
作者:	Ye, Fangfu.
面頁冊數:	114 p.
附註:	Adviser: Tom C. Lubensky.
Contained By:	Dissertation Abstracts International68-11B.
標題:	Physics, Condensed Matter. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3292091
ISBN:	9780549345640

Elasticity and pattern formation of nematic elastomers.
Ye, Fangfu.

Elasticity and pattern formation of nematic elastomers. - 114 p.

Adviser: Tom C. Lubensky.

Thesis (Ph.D.)--University of Pennsylvania, 2007.

Liquid crystalline elastomers are remarkable materials that combine the orientational order of liquid crystals with the elastic properties of rubbers. Most liquid crystalline phases have their elastomeric counter parts. We will concentrate on nematic elastomers. When subjected to external stress, most nematic elastomers exhibit the so-called semi-soft elasticity, which is characterized by a flat plateau in their nonlinear stress-strain curves. In this thesis, we develop a phenomenological theory to describe semi-soft nematic elastomers and clarify the nature of semi-soft response. A microscopic model with nematic mesogens coupled to bonds of a hexagonal lattice is also studied to more fully understand semi-soft elasticity. In addition, we also investigate the pattern formation of a nematic elastomer in the standard Freedericksz cell with electrical field applied perpendicular to cell walls.

ISBN: 9780549345640Subjects--Topical Terms:

1018743
Physics, Condensed Matter.

Elasticity and pattern formation of nematic elastomers.
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502 $a Thesis (Ph.D.)--University of Pennsylvania, 2007.
520 $a Liquid crystalline elastomers are remarkable materials that combine the orientational order of liquid crystals with the elastic properties of rubbers. Most liquid crystalline phases have their elastomeric counter parts. We will concentrate on nematic elastomers. When subjected to external stress, most nematic elastomers exhibit the so-called semi-soft elasticity, which is characterized by a flat plateau in their nonlinear stress-strain curves. In this thesis, we develop a phenomenological theory to describe semi-soft nematic elastomers and clarify the nature of semi-soft response. A microscopic model with nematic mesogens coupled to bonds of a hexagonal lattice is also studied to more fully understand semi-soft elasticity. In addition, we also investigate the pattern formation of a nematic elastomer in the standard Freedericksz cell with electrical field applied perpendicular to cell walls.
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