Equivalent-continuum Modeling of Nano-structured Materials

Equivalent-continuum Modeling of Nano-structured Materials
Author :
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Total Pages : 38
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ISBN-10 : NASA:31769000642572
ISBN-13 :
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Book Synopsis Equivalent-continuum Modeling of Nano-structured Materials by : Gregory M. Odegard

Download or read book Equivalent-continuum Modeling of Nano-structured Materials written by Gregory M. Odegard and published by . This book was released on 2001 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: A method has been developed for modeling structure-property relationships of nano-structured materials. This method serves as a link between computational chemistry and solid mechanics by substituting discrete molecular structures with an equivalent-continuum model. It has been shown that this substitution may be accomplished by equating the vibrational potential energy of a nano-structured material with the strain energy of representative truss and continuum models. As an important example with direct application to the development and characterization of single-walled carbon nanotubes, the model has been applied to determine the effective continuum geometry of a graphene sheet. A representative volume element of the equivalent-continuum model has been developed with an effective thickness. This effective thickness has been shown to be similar to, but slightly smaller than, the interatomic spacing of graphite.


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