Roussos Dimitrakopoulos
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91 results — page 4 of 5
Stochastic long-term production scheduling of the LabMag iron ore deposit in Labrador, Canada
A long-term production schedule for the LabMag iron ore deposit in northern Québec, Canada is derived using stochastic integer programming. The optimization ...
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Short-term mine production scheduling optimization is developed as a single formulation where mining considerations, production constraints, uncertainty in t...
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This paper presents a new mathematical formulation to address mine production scheduling with multiple processing streams, under mineral supply uncertainty, ...
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A two-stage stochastic mixed integer non-linear program is formulated for a mining complex to optimize strategic and tactical plans. The objective is to find...
BibTeX referenceJoint simulation of correlated variables using high-order spatial statistics for orebody modeling
Geostatistical simulation techniques are used to quantify uncertainty of spatial attributes of interest describing mineral deposits, petroleum reservoirs, hy...
BibTeX referenceGlobally optimizing open-pit and underground mining operations under geological uncertainty
A method that optimizes mining complexes that are comprised of multiple processing destinations, open pits and underground operations is presented. Mining, b...
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Previous research related to the optimization of mining operations has predominantly focused on generating a life-of-mine production schedule that maximizes ...
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A computational framework has been developed that extends stochastic strategic mine planning algorithms, improving the representation of ore selection decisi...
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Global asset optimization aims to simultaneously optimize mine production schedules, destination policies and the various processing streams in order to maxi...
BibTeX referenceTwo-stage stochastic surface constrained mine production scheduling with pit discretization
This paper addresses the optimization of long-term mine production schedules, building upon a previous stochastic integer programming (SIP) formulation based...
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Traditional short-term production planning is carried out in two separate sequential optimizations, typically based on mixed integer programming formulations...
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Mining operations are highly affected by risk, commodity price and geology being acknowledged as the most relevant risk factors. Considering these uncertaint...
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The optimization of open-pit mine production scheduling (OPMPS) is an intricate process due to its size and uncertainty of key input parameters. Over the las...
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This paper presents a distributed and dynamic programming framework to the mining rate target tracking of multiple mines under financial uncertainty. A singl...
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This paper presents a metaheuristic solution to the optimization of open pit long-term production scheduling with a stockpile and geological uncertainty. The...
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The use of spatial high-order statistics has been previously proposed as an alternative to introduce richer information about complex spatial patterns in the...
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The production scheduling of an open pit mine determines the optimal extraction sequencing that significantly impacts a mine's life as well as net present va...
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Mining complexes contain multiple sequential activities that are strongly interrelated. Extracting the material from different sources may be seen as the fir...
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Scheduling production in open-pit mines is characterized by uncertainty about the metal content of the orebody (the reserve) and leads to a complex large-sca...
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Subsurface flow and solute transport simulations are performed using different scenarios of permeability fields generated from the sequential Gaussian simula...
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