Author’s Accepted Manuscript

develop other solution approaches for the problems. The current model is developed under the situation where the demands are given and deterministic. An extension to this research is to take into account uncertain demands. With uncertain demands, a stochastic model and new solution approaches can be studied.

This work is partially supported by the Natural Sciences and Engineering Research Council of Canada discovery grant (RGPIN-2014-03594), MITACS Internship, JSPS Grant-in-Aid for Scientific Research (15H02971), and Japan Society for the Promotion of Science Fellowship.