Γ-opt Research Group
Γ-opt Research Group
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Publications
2
A framework for crude oil scheduling in an integrated terminal-refinery system under supply uncertainty
Operational decisions for crude oil scheduling activities are determined on a daily basis and have a strong impact on the overall …
Fabricio Oliveira
,
Paula Nunes
,
Rosa Blajberg
,
Silvio Hamacher
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DOI
A strategy based on convex relaxation for solving the oil refinery operations planning problem
Oil refining is one of the most complex activities in the chemical industry due to its nonlinear nature, which ruins the convexity …
Tiago Andrade
,
Gabriela Ribas
,
Fabricio Oliveira
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DOI
Tactical capacity planning in a real-world ETO industry case: A robust optimization approach
Uncertainty has a significant impact on the stability and performance of engineering-to-order (ETO) production systems by affecting due …
Andréa Nunes Carvalho
,
Fabricio Oliveira
,
Luiz Felipe Scavarda
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DOI
Design of a hydrogen supply chain with uncertainty
The use of fuels with low environmental impact has been recently highlighted in the media. In this context, the use of hydrogen as a …
Paula Nunes
,
Fabricio Oliveira
,
Silvio Hamacher
,
Ali Almansoori
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DOI
An enhanced L-Shaped method for optimizing periodic-review inventory control problems modeled via two-stage stochastic programming
This paper presents the development of an enhanced L-Shaped method applied to an inventory management problem that considers a …
Felipe Silva Placido dos Santos
,
Fabricio Oliveira
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DOI
An optimisation approach for capacity planning: modelling insights and empirical findings from a tactical perspective
The academic literature presents a research-practice gap on the application of decision support tools to address tactical planning …
Andréa Nunes Carvalho
,
Luiz Felipe Scavarda
,
Fabricio Oliveira
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DOI
Investment planning in the petroleum downstream infrastructure
The Brazilian oil industry has gained new momentum after the discovery of large oil reserves in deep under-water. Numerous investments …
Luiza Fiorencio
,
Fabricio Oliveira
,
Paula Nunes
,
Silvio Hamacher
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DOI
Tactical capacity planning in a real-world ETO industry case: An action research
Many engineering-to-order (ETO) organizations are multi-project capacity-driven production systems in which capacity planning is of …
Andréa Nunes Carvalho
,
Fabricio Oliveira
,
Luiz Felipe Scavarda
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DOI
Accelerating Benders stochastic decomposition for the optimization under uncertainty of the petroleum product supply chain
This paper addresses the solution of a two-stage stochastic programming model for an investment planning problem applied to the …
Fabricio Oliveira
,
Ignacio Grossmann
,
Silvio Hamacher
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DOI
A Lagrangean decomposition approach for oil supply chain investment planning under uncertainty with risk considerations
We present a scenario decomposition framework based on Lagrangean decomposition for the multi-product, multi-period, supply investment …
Fabricio Oliveira
,
V. Gupta
,
Silvio Hamacher
,
Ignacio Grossmann
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DOI
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