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Open Access research which pushes advances in bionanotechnology

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SIPBS is a major research centre in Scotland focusing on 'new medicines', 'better medicines' and 'better use of medicines'. This includes the exploration of nanoparticles and nanomedicines within the wider research agenda of bionanotechnology, in which the tools of nanotechnology are applied to solve biological problems. At SIPBS multidisciplinary approaches are also pursued to improve bioscience understanding of novel therapeutic targets with the aim of developing therapeutic interventions and the investigation, development and manufacture of drug substances and products.

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Research of stress assessment for the 135-degree sheet corner based on singularity strength theory

Gao, Song S. and Xu, Li L. and Wang, Dazheng D. and Barltrop, Nigel D P N.D.P. (2013) Research of stress assessment for the 135-degree sheet corner based on singularity strength theory. Wuhan Ligong Daxue Xuebao/Journal of Wuhan University of Technology, 35 (12). pp. 72-79. ISSN 1671-4431

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Abstract

This paper will research the singularity strength theory to stress distribution of a 135-degree sheet corner which bases on notch stress intensity factor (N-SIF) theory. The N-SIF formula is simplified through singularity strength 'as' which is related to structure size. Numerical simulations by ANSYS and regression analysis by MathCAD are done for a number of cases. Finally a simple assessment algorithms and the empirical formula for the notch stress are proposed and verified. The results can be used for structural strength and fatigue analysis.