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The two-dimensional cutting stock problem with usable leftovers and demand uncertainty

Grant number: 19/25041-8
Support type:Scholarships abroad - Research Internship - Doctorate (Direct)
Effective date (Start): January 04, 2022
Effective date (End): April 03, 2022
Field of knowledge:Engineering - Production Engineering - Operational Research
Principal researcher:Adriana Cristina Cherri
Grantee:Douglas Nogueira Do Nascimento
Supervisor abroad: Jose Fernando da Costa Oliveira
Home Institution: Faculdade de Engenharia (FE). Universidade Estadual Paulista (UNESP). Campus de Bauru. Bauru , SP, Brazil
Research place: Universidade do Porto (UP), Portugal  
Associated to the scholarship:18/16600-0 - The two-dimensional cutting stock problem with usable leftovers and demand uncertainty, BP.DD

Abstract

In this research project we address the two-dimensional cutting stock with usable leftovers (2D-CSPUL) and demand uncertainty. This problem has great practical importance for many companies, with a strong economic and environmental impact, due to the reduction of waste of raw material. Producing items and leftovers for stock in order to meet a variable and random demand is a very common real situation that involves a complex planning process, in addition to being a situation little explored in the literature. In this context, the objective of this research project is to keep the proposal of developing a matheuristic to solve the 2D-CSPUL with demand uncertainty. It also aims to investigate uncertainty with a focus on the size of the generated usable leftovers. Implementations, computational tests and a scientific paper have been developed.

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