Download IUTAM Symposium on Surface Effects in the Mechanics of by Xia-Hui Pan, Shou-Wen Yu, Xi-Qiao Feng (auth.), Alan Cocks, PDF

By Xia-Hui Pan, Shou-Wen Yu, Xi-Qiao Feng (auth.), Alan Cocks, Jianxiang Wang (eds.)

This quantity constitutes the complaints of the IUTAM Symposium on floor results within the Mechanics of Nanomaterials and Heterostructures, held in Beijing, 8-12 August, 2010. The symposium introduced jointly the main energetic scientists operating during this sector from the fields of sturdy mechanics, composites, physics, and fabrics technology and summarized the cutting-edge learn effects with a purpose to advancing the frontiers of mechanics and fabrics physics.

Nanomaterials and heterostructures have a wide fraction in their atoms at surfaces and interfaces. those atoms see a unique atmosphere to these within the inside and will have a considerable impression at the total mechanical and actual behaviour of a fabric. the decade has witnessed a becoming curiosity within the research of surfaces and the way the skin behaviour with that of the majority to figure out the general approach reaction.

The papers during this lawsuits conceal: extension of continuum mechanics and thermodynamics to the nano-scale; multiscale simulations; floor results in monolithic nano-scale parts and nanostructures; mechanical and actual homes of nanomaterials and heterostructures; self-assembly, and so on. the outside pressure impact is inherently a multidisciplinary and fertile box; the Symposium actually displays those features.

This IUTAM Symposium was once additionally devoted to Professor Bhushan L Karihaloo of Cardiff college on his approaching retirement, in popularity of his contributions to the fields of stable mechanics and nanomechanics, and to IUTAM actions in general.

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Extra resources for IUTAM Symposium on Surface Effects in the Mechanics of Nanomaterials and Heterostructures: Proceedings of the IUTAM Symposium held in Beijing, China, 8-12 August, 2010

Sample text

4 The electric field E3 along the x1 -axis for different orders of approximate solution For the three-dimensional case, the elastic and electric fields in and around a truncated symmetrical pyramidal GaAs/InAs QD structure are analyzed. The height of the QD is 6 nm. The side lengths of the upper and lower bases are 4 and 12 nm, respectively. , coincide with its symmetrical axes). 9%. The electric field E3 along the x1 -axis for different orders of approximate solution in the GaAs/InAs QD is shown in Fig.

Key point (1) can be further explained by an example as follows. Consider an infinite elastic medium as shown in Fig. 1. The medium is stress-free when there is no external loading, and this stress-free configuration is denoted by Ä . Suppose that there is a spherical region with boundary @ and radius R . If is removed from the medium, the original spherical region will become a standalone particle with radius Rp and an infinite medium containing a void with radius Rv . Due to the existence of the surface energy 0 and the surface tension 0 , the radii Rp and Rv will be different from R , which can be determined by means of the Young-Laplace equation and the residual surface tension 0 at the boundary of the particle and the void, respectively.

51–59. Springer, Dordrecht (2007) 3. : Interface effect on the effective bulk modulus of a particle-reinforced composite. Acta Mech. Sin. (English series) 20(6), 676–679 (2004) 4. : A theory of hyperelasticity of multi-phase media with surface/interface energy effect. Acta Mech. 182, 195–210 (2006) 5. : Size-dependent effective properties of a heterogeneous material with interface energy effect: from finite deformation theory to infinitesimal strain analysis. Acta Mech. 190, 151–163 (2007) 48 Z.

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