期刊
MECHANICS RESEARCH COMMUNICATIONS
卷 48, 期 -, 页码 46-51出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.mechrescom.2012.12.001
关键词
Nonlocal elasticity; Gradient elasticity; Closed-form solutions; Size effect
类别
资金
- Italian PRIN Fund [2009XWLFKW]
- University of Ferrara [15879]
The equivalence between nonlocal and gradient elasticity models is investigated by making reference to one-dimensional boundary value problems equipped with two integral stress-strain laws proposed by Eringen (Nonlocal Continuum Field Theories (2002)). Corresponding closed-form solutions are derived through a procedure for the reduction of integral to differential equations. The reproduction of size effects in micro/nano rods is discussed. The differential formulation associated with the local/nonlocal model is shown to correspond to the strain-gradient formulation proposed by Aifantis (Mech. Mater. 35 (2003) 259-280). (C) 2012 Elsevier Ltd. All rights reserved.
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