Influence of surface effect of the edge of a half-plane on the stress concentration around a nearby nanosized hole of arbitrary
Influence of surface effect of the edge of a half-plane on the stress concentration around a nearby nanosized hole of arbitrary
复制标题
半平面边缘表面效应对附近任意纳米尺寸孔周围应力集中的影响
DOI：
10.1093/qjmam/hbw005
复制
发表时间：
2016
影响因子：
0.9
通讯作者：
Gao Cun-Fa
中科院分区：
文献类型：
--
作者：
Dai Ming;Schiavone Peter;Gao Cun-Fa
In the problem of a half-plane containing a nearby nanosized hole, it is customary to assume that the edge of the half-plane is traction free. In the context of nanomechanics, however, the more realistic scenario is to incorporate surface effects not only on the edge of the hole but also on the edge of the half-plane. Our results indicate that the incorporation of surface effects on the edge of the half-plane indeed plays a significant role, in particular as the distance between the hole and the half-plane decreases. In fact, we show that the absence of the corresponding surface effect on the edge of the half-plane induces a significant error in the stress concentration around an arbitrary-shaped hole when the distance between the hole and the edge reaches a critical value. We illustrate our results with a variety of examples including circular, elliptical, triangular and square-shaped holes.
