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Engineering Commons

Open Access. Powered by Scholars. Published by Universities.®

2011

Wright State University

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Mathematical Model

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Full-Text Articles in Engineering

Drop-Shipping At A Promotional Products Distributor, Ramanan Veeraragavan Jan 2011

Drop-Shipping At A Promotional Products Distributor, Ramanan Veeraragavan

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During the current economic times, companies are trying to reduce costs by incorporating new strategies into their business plan. Supply chain, in particular the distribution network is one area where an improvement can bring in a healthy return on investment to a company. Drop-shipping is a distribution strategy whereby customer orders are fulfilled by directly delivering products from manufacturer's facility, instead of storing these products at the warehouse. Drop-shipping helps in reducing inventory and material handling costs at the warehouse, but may increase transportation costs due to frequent shipments. This research was motivated by the current operations at a promotional …


Scheduling Surgical Cases In A Constrained Environment, Bharathwaj Vijayakumar Jan 2011

Scheduling Surgical Cases In A Constrained Environment, Bharathwaj Vijayakumar

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This research examines a complex surgical case scheduling problem for a publicly-funded hospital in the Midwest United States. Publicly-funded hospitals are typically under tight budget constraints and these hospitals strive to maximize the utilization of their resources such as beds, staff, equipment, operating rooms, etc. These resources are relatively fixed for a publically funded hospital. A manual scheduling approach followed by this hospital does not guarantee optimal solutions and consequently has led to large variation in the utilization of resources. This real-world problem is described in this research as a multi-day, multi-resource, and patient-priority-based surgical case scheduling problem with the …