Keyword: mineral industries

Found 78 papers in total
An Ant Colony Optimization algorithm with multiple visibility matrices for the solution of an industrial scheduling problem
An Ant Colony Optimization algorithm with multiple visibility matrices for the solution of an industrial scheduling problem
2002,
This paper presents an augmented Ant Colony Optimization algorithm which we use to...
Application of chance-constrained programming based on multi-objective simulated annealing to solve a mineral blending problem
Application of chance-constrained programming based on multi-objective simulated annealing to solve a mineral blending problem
2003,
This paper addresses the optimal blending of different available ores in such a way...
A system dynamics analysis of the Westray mine disaster
A system dynamics analysis of the Westray mine disaster
2003,
This article describes a system dynamics analysis of the 1992 Westray mine disaster in...
A multi-objective model for purchasing of bulk raw materials of a large-scale integrated steel plant
A multi-objective model for purchasing of bulk raw materials of a large-scale integrated steel plant
2003,
The cost of purchasing raw materials and components accounts for a significant...
Metal resource constraints for electric-vehicle batteries
Metal resource constraints for electric-vehicle batteries
2001,
We estimate at what size electric-vehicle stocks could become constrained by metal...
Modelling and a genetic algorithm solution for the slab stack shuffling problem when implementing steel rolling schedules
Modelling and a genetic algorithm solution for the slab stack shuffling problem when implementing steel rolling schedules
2002,
Iron and steel production is a multistage process. A slab yard serves as a storage...
Spreading the gospel of management science: Operational research in Iron and Steel, 1950–1970
Spreading the gospel of management science: Operational research in Iron and Steel, 1950–1970
2000,
This paper builds on the author's earlier work on the history of operational research...
Solving the geophysical inversion problem using genetic algorithms
Solving the geophysical inversion problem using genetic algorithms
2000,
Tomographic methods are often used to solve the geophysical inversion problem. This is...
Using mixed-integer programming to reduce label changes in the Coors aluminum can plant
Using mixed-integer programming to reduce label changes in the Coors aluminum can plant
2000,
Valley Metal Container (VMC), a joint venture between the Coors Brewing Company and...
A strategic evaluation of capacity retirements in the steel industry
A strategic evaluation of capacity retirements in the steel industry
2000,
Over the past twenty-five years there has been a significant reduction in UK iron and...
Forecasting using a periodic transfer function: With an application to the UK price of ferrous scrap
Forecasting using a periodic transfer function: With an application to the UK price of ferrous scrap
1999,
The familiar concept of cointegration enables us to determine whether or not there is...
Strategic valuation of investment under competition
Strategic valuation of investment under competition
1999,
The most serious problem with the widely used discounted-cash-flow (DCF) methods of...
An SLP simple algorithm and its convergence
An SLP simple algorithm and its convergence
1999,
In this paper, a special class of constrained nonlinear programs, which arise in...
Simulation of capacity expansion and sequencing alternatives for a sheet metal producer
Simulation of capacity expansion and sequencing alternatives for a sheet metal producer
1999,
We present a simulation case study carried out for a make-to-order aluminium sheet...
Cement transportation planning via fuzzy linear programming
Cement transportation planning via fuzzy linear programming
1999,
The mining of more than ten million tons of limestone for cement production in western...
Penalty-based sequencing strategy implemented within a knowledge-based system
Penalty-based sequencing strategy implemented within a knowledge-based system
1999,
A hot dip coating line (HDCL) is used to coat steel coils with a corrosion-resistant...
Developments in central government budgeting in Botswana
Developments in central government budgeting in Botswana
1999,
Botswana's budgeting system has historically grown from the position of dependence on...
Optimal scrap combination for steel production
Optimal scrap combination for steel production
1998,
In steel production, scrap metal is used for cooling the enormous quantity of heat...
Putting soft OR methods to work: Information systems strategy development at Palabora
Putting soft OR methods to work: Information systems strategy development at Palabora
1998,
A consultancy project to develop an information systems (IS) strategy for a copper...
Economics of coal log pipeline for transporting coal
Economics of coal log pipeline for transporting coal
1998,
This economic study was conducted to compare the cost of transporting coal from mines...
A neural network approach to the vessel dispatching problem
A neural network approach to the vessel dispatching problem
1997,
The paper discusses the process of loading, transport and unloading of gravel by...
A simple successive linear programming algorithm for solving a class of nonlinear programs
A simple successive linear programming algorithm for solving a class of nonlinear programs
1997,
Successive linear programming algorithms solve nonlinear optimization problems via a...
LP relaxation of the two dimensional knapsack problem with box and GUB constraints
LP relaxation of the two dimensional knapsack problem with box and GUB constraints
1996,
In the present paper we derive an O( n 2 log n ) algorithm for the linear programming...
The development of an integrated model for the optimisation of the operations of a reduction cell in aluminium smelting
The development of an integrated model for the optimisation of the operations of a reduction cell in aluminium smelting
1996,
In this paper a modus operandi is discussed for the development of appropriate models...
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