abstract: regarding the growing use of distributed generation resources, optimal design of these units is necessary in the power system especially in the distribution network. in this paper, cuckoo optimization algorithm with multiple purposes was used to determine optimal location and size of distributed generation resources. the investigated purposes include reducing line losses, reducing med...

Turning to Renewable Energy Sources (RES) is the most logical politics in securing the modern society from critical changes in earth increasing temperature. However, Distributed Generation (DG) sources could lead to new challenges in electricity network, mainly allocation of DG sources in distribution level of power system will set the existing network under stress of power flow parameters. The...

We consider a class of  nonautonomous  systems  differential  equations with time-varying concentrated and distributed  delays  than  can be unbounded.  Using Lyapunov–Krasovskii functional, some estimates of solutions are established. The obtained allow us to conclude whether the stable.

In this study, concrete was selected to investigate the real-time splitting tensile mechanical and fracture behaviours of brittle materials using Brazilian test under concentrated distributed boundary conditions. The digital image correlation (DIC) method adopted evaluate strength failure process in tests a high-resolution camera. DIC results showed that position crack initiation randomly occur...

A new boundary meshfree method, to be called the boundary distributed source (BDS) method, is presented in this paper that is truly meshfree and easy to implement. The method is based on the same concept in the well-known method of fundamental solutions (MFS). However, in the BDS method the source points and collocation points coincide and both are placed on the boundary of the problem domain d...

0

the formation of hemozoin (malaria pigment) has been proposed as an ideal drug target for antimalarial screening programs. in this study, we used an improved, cost-effective and high-throughput spectrophotometric assay to screen plant extracts for finding novel antimalarial plant sources. fifteen extracts with different polarity from three iranian artemisia species, a. ciniformis, a. biennis an...