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Investigation of Contact Pressure Distribution on Sheet Metal Stamping Tooling Interfaces: Surface Modeling, Simulations, and Experriments
Contact Pressure Distribution Sheet Metal Stamping Tooling Interfaces Surface Modeling Simulations Experiments
2014/10/23
In stamping operations, sheet metal is formed into a desired shape by pressing it in a hydraulic or mechanical press between suitably shaped dies. As a predominant manufacturing process, sheet metal f...
Hedging Future Uncertainty: A Framework for Obsolescence Prediction, Proactive Mitigation and Management
Obsolescence prediction Proactive mitigation
2014/10/21
Component obsolescence in the "high-tech" electronics industry has become a problem that cannot be ignored. Although recent attention has been given to component obsolescence, in general this issue is...
Stochastic Models for Capacity Planning in Healthcare Delivery: Case Studies in an Outpatient, Inpatient and Surgical Setting
Surgical scheduling Discharge planning Simulation based optimization
2014/10/21
U.S. healthcare system has become far too complex and costly to sustain and operations research has much to contribute in improving health systems by addressing a large spectrum of problems. We study ...
Runway Operations Management: Models, Enhancements, and Decomposition Techniques
Decomposition technique Column generation
2014/10/21
Air traffic loads have been on the rise over the last several decades and are expected to double, and possibly triple in some regions, over the coming decade. With the advent of larger aircraft and ev...
Investments in Energy Technological Change Under Uncertainty
Research and development Technological change Uncertainty
2014/10/21
This dissertation addresses the crucial problem of how environmental policy uncertainty influences investments in energy technological change. The rising level of carbon emissions due to increasing gl...
Feedback optimal control of dynamic stochastic two-machine flowshop with a finite buffer
Semi-Markov process Optimality conditions Flow-shop system Numerical method Heuristic method
2010/9/14
This paper examines the optimization of production involving a tandem two-machine system producing a single part type, with each machine being subject to random breakdowns and repairs. An analytical m...
The impact of the Weibull distribution on the performance of the single-factor ANOVA model
ANOVA robustness Weibull ANOVA normality assumption Shape parameter Scale parameter Normality violation
2010/9/14
This paper conducts a simulation study of the effects of violating the ANOVA normality assumption in the presence of Weibull data. Twelve specific Weibull distributions, characterizing the life data o...
A particle swarm approach to solve environmental/economic dispatch problem
Meta-heuristic Particle swarm optimization Economic dispatch Emission controlled Unit commitment Multi-objective optimization
2010/9/14
This paper proposes a particle swarm optimization (PSO) algorithm to solve various types of economic dispatch (ED) problems in power systems such as, environmental/economic dispatch (EED) and multi-ar...
A fuzzy modeling for single machine scheduling problem with deteriorating jobs
Scheduling Sequencing Single machine Work in process Job deterioration Bi-objective Fuzzy decision making
2010/9/14
This paper addresses a bi-criteria scheduling problem with deteriorating jobs on a single machine. We develop a model for a single machine bi-criteria scheduling problem (SMBSP) with the aim of minimi...
Economic lot scheduling problem with consideration of money time value
Economic lot scheduling problem Discount cash flow Genetic algorithm Sequence dependent Hybrid method Metaheuristic
2010/9/14
The economic lot scheduling problem (ELSP) is a challenge between sequencing and lot sizing. In this problem, several products must be produced on a single machine in a cyclical production pattern and...
Fuzzy analytical hierarchy process using preference ratio: A case study for selecting management short course in a business school
FAHP Preference ratio MADM Fuzzy numbers Consistency ratio AHP
2010/9/14
Analytic Hierarchy Process (AHP) is one of the most popular approaches in the area of multiple attribute decision making (MADM). However, it is not practical any more if input information are fuzzy. I...
Providing hierarchical approach for measuring supply chain performance using AHP and DEMATEL methodologies
DEMATEL Analytical Hierarchy Process Supply Chain Performance Integration Metrics interdependence
2010/9/14
Measuring the performance of a supply chain is normally of a function of various parameters. Such a problem often involves in a multiple criteria decision making (MCMD) problem where different criteri...
Integrated model for line balancing with workstation inventory management
Supply chain Assembly Line Balancing Loss Market Demand Line Balancing
2010/9/14
In this paper, we address the optimization of an integrated line balancing process with workstation inventory management. While doing so, we have studied the interconnection between line balancing and...
Optimal pricing and lot sizing in VMI model
Vendor Managed Inventory Supply Chain Management Optimal Pricing Economic Order Quantity Geometric Programming One-buyer One- supplier VMI Two-buyer Two-supplier VMI
2010/9/14
Vendor Managed Inventory (VMI) is one of the effective techniques for managing the inventory in supply chain. VMI models have been proven to reduce the cost of inventory compared with traditional ones...