Probabilistic Electromechanical Modeling of Nanostructures with Random Geometry

Arnst, Maarten; Ghanem, Roger

doi:10.1166/jctn.2009.1283

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Article (Scientific journals)

Probabilistic Electromechanical Modeling of Nanostructures with Random Geometry

Arnst, Maarten; Ghanem, Roger

2009 • In Journal of Computational and Theoretical Nanoscience, 6 (10), p. 2256-2272

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https://hdl.handle.net/2268/103153

DOI
10.1166/jctn.2009.1283

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Keywords :

uncertainty quantification; nanoelectromechanical system; stochastic finite element method

Abstract :

[en] This article is concerned with the probabilistic modeling of the electromechanical behavior of nanostructures to assess the effect of variations in geometrical characteristics on the device performance. The topological uncertainty that may be present in the position of the boundaries of nanostructures is accommodated by treating these boundaries as stochastic processes. It is shown how the probabilistic electromechanical models thus obtained can be discretized with the help of Galerkin projections on polynomial chaos expansions. An illustration is provided to demonstrate the proposed framework.

Disciplines :

Mechanical engineering

Author, co-author :

Arnst, Maarten ; University of Southern California > Department of Civil and Environmental Engineering

Ghanem, Roger; University of Southern California > Department of Civil and Environmental Engineering

Language :

English

Title :

Probabilistic Electromechanical Modeling of Nanostructures with Random Geometry

Publication date :

October 2009

Journal title :

Journal of Computational and Theoretical Nanoscience

ISSN :

1546-1955

eISSN :

1546-1963

Publisher :

American Scientific Publishers, Valencia, United States

Volume :

Issue :

Pages :

2256-2272

Peer reviewed :

Peer Reviewed verified by ORBi

Available on ORBi :

since 15 November 2011

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