Solving a multiple travelling salesperson (mTSP) is more difficult than solving a travelling salesperson. Although the TSP has received a great deal of attention, the research on the mTSP is limited. In the mTSP, the N cities must be partitioned into m tours, with each tour resulting in a TSP...

The integrated problem of allocating and routing blood for a public and private health care system is addressed. We modelled the problem as multiple-vehicle, multi-depot, multi-criteria allocation-routing problem which is termed as integrated allocation-routing (IAR) problem. We propose a...

This work reports an innovative design of tubular solar still with a rectangular basin for water desalination with flowing water and air over the cover. The daily distillate output of the system is increased by lowering the temperature of water flowing over it (top cover cooling arrangement)....

The job shop problem is among the class of non-deterministic polynomial time hard combinatorial problems. This research article addresses the problem of static job shop scheduling on the job-based representation and the rule-based representations. The popular search techniques, such as the...

Transportation industry is a fairly large industry in today's globalised world, and has significant effect too. Each and every big or small industry is bound to use the transportation facilities or logistics. The main problems in this logistics operation are optimising the cost, time, distance...

In today’s highly competitive and demanding environment, the pressure on both public and private organizations is to achieve a better way to deliver values to end customers. There has been a growing recognition that the two goals, cost reduction and customer service are achieved through...