The rheology of dense granular flows is studied numerically in a shear cell controlled at constant pressure and shear stress, confined between two granular shear flows. We show that a liquid state can be achieved even far below the yield stress, whose flow can be described with the same rheology as above the yield stress. A nonlocal constitutive relation is derived from dimensional analysis thr...

The incorporation of recycling, which is the production of raw materials from old buildings and devices, is an increasing trend in industries worldwide. This increase in recycling is motivated by the conservation of energy and environmental resources, in particular, the decrease of carbon dioxide and green house gas emission by the intensive burning during various technological processes. The p...

Change point estimation is as an effective method for identifying the time of a change in production and service processes. In most of the statistical quality control literature, it is usually assumed that the quality characteristic of interest is independently and identically distributed over time. It is obvious that this assumption could be easily violated in practice. In this paper, we use m...

This paper describes the yield estimation approach to layout scaling of submicron VLSI circuits. The presented method makes it feasible to find scaling factor of the IC design which is optimal from the manufacturing yield point of view. It allows also to reduce time-consuming extraction of the critical area functions. Examples of yield calculations using the proposed method are presented as well.

Normal 0 false false false EN-US X-NONE AR-SA The ratio of compression yield strength to the initial tensile yield strength is called Bauschinger effect factor, BEF. A nonlinear strain hardening mathematical model is proposed for 7075 aluminium alloy (A7075). Uniaxial tension-compression experimental data are used to figure out a suitable model to study the BEF. Hence, uniaxial tension-co...

We study numerically a simple network model which is an electrical analog of a perfectly plastic disordered medium. For a uniform random distribution of local maximum current, (e.g. yield stress), we study the evolution of the properties of the system as a function of the number of elements which reached the plastic limit. It is shown that the macroscopic yield point can be interpreted as a cri...

this experiment was conducted for determining the effect of irrigation termination before harvesting and late application of nitrogen on sugar beet yield, quality and root rot during 1993-95 at safiabad agricultural research center. different irrigation termination and late nitrogen application treatments had a significant effect on root yield. terminating irrigation 1 and 3 weeks before harves...

In this paper, soft-morphing, deformation control by fabric structures and soft-jumping mechanisms using magnetic yield points are studied. The durability adaptability of existing rigid-base jumping improved a soft-morphing process that employs the residual stress polymer. Although rigid body-based used, they driven multiple components complex structures. Therefore, have drawbacks in terms shoc...