Peer-reviewed publications (ISI - Science Citation Index)

  •   Enrique Jelvez, Nelson Morales, Julian Ortiz (2021), Stochastic final pit limits: an efficient frontier analysis under geological uncertainty in the open-pit mining industry, Mathematics (accepted in special issue "Optimization for Decision Making III").
  •  Utili, S., Agosti, A., Morales, N. et al. (2022) Optimal Pitwall Shapes to Increase Financial Return and Decrease Carbon Footprint of Open Pit Mines. Mining, Metallurgy & Exploration.
  •   Nelson Morales, Diego Mancilla, Roberto Miranda, Javier Vallejos (2022), A fast method to develop an optimal operational sublevel stope design, accepted in Resources Policies.
  • Pierre Nancel-Penard, Nelson Morales, Fabien Cornillier (2022), A recursive time aggregation-disaggregation heuristic for the multidimensional and multiperiod precedence-constrained knapsack problem: an application to the open-pit mine block sequencing problem, accepted in European Journal of Operational Research.
  •   Nelson Morales, Pierre Nancel-Penard, Nelson Espejo (2021), Development and analysis of a methodology to generate operational open-pit mine ramp designs automatically, Optimization and Engineering (accepted).
  •  José Pablo Espinoza, Mauricio Mascaró, Nelson Morales, Javier Ruiz del Solar (2022),Improving productivity in block/panel caving through dynamic confinement of semi-autonomous Load-Haul-Dump machines, International Journal of Mining, Reclamation and Environment.

 

Peer-reviewed publications (ISI - Science Citation Index)

  • Gonzalo Nelis, Nelson Morales (2021), "A mathematical model for the scheduling and definition of mining cuts in short-term mine planning", Optimization and Engineering (online), 1-25. 

  •   Pierre Nancel-Penard & Nelson Morales (2021). Optimizing pushback design considering minimum mining width for open pit strategic planning. Engineering Optimization (in press).

  •   Mohammad Maleki, Nasser Madani & Enrique Jélvez (2021). Geostatistical algorithm selection for mineral resources assessment and its impact on open-pit production planning considering metal grade boundary effect. Natural Resources Research (in press).

  •   Gonzalo Nelis, Frédéric Meunier, Nelson Morales (2021), Column Generation for Mining Cut Definition with Geometallurgical Interactions, Natural Resources Research (accepted). 
  •   Fabián Manríquez, Héctor González, Nelson Morales (2021), Short-term open-pit production scheduling optimizing multiple objectives accounting ‎for shovel allocation in stockpiles, Optimization and Engineering. 

 

Peer-reviewed publications (no ISI)

  • PDFicon01 Gonzalo Nelis & Nelson Morales (2021). A comparison of mining cut definition and scheduling algorithms for open-pit short-term mine planning. In Proceedings of APCOM2021, Johannesburgo, Sudáfrica, pp. 55 - 67.

  • PDFicon01 Isleem Kaabachi, Frederic Meunier & Nelson Morales (2021). Optimising the ramp design in an open-pit mine. In Proceedings of APCOM2021, Johannesburgo, Sudáfrica, pp. 365 - 376.

  • PDFicon01 Nelson Morales, Enrique Jélvez, Gerson Morales, Fabián Soto, Gonzalo Díaz, Felipe Navarro (2021). PYRAMP - A platform for resource assessment and mine planning in Jupyter. In Proceedings of APCOM2021, Johannesburgo, Sudáfrica, pp. 569 - 583.

  • PDFicon01 Mohammad Maleki, Enrique Jélvez, Xavier Emery & Nelson Morales (2021). Assessing the impact of geology, ore grades and recovery uncertainties into production scheduling. In Proceedings of GEOMIN-MINEPLANNING 2021, Santiago, Chile, pp. 193 - 195.

  • PDFicon01 David Meneses & Enrique Jélvez (2021). Planificación de la producción con capacidades de producción flexibles en minería a cielo abierto.  In Proceedings of GEOMIN-MINEPLANNING 2021, Santiago, Chile, pp. 329 - 331. (spanish)

  • PDFicon01 Luis Álvarez & Nelson Morales (2021). Optimización de planificación de preparación de corto plazo en panel caving. In Proceedings of GEOMIN-MINEPLANNING 2021, Santiago, Chile, pp. 241 - 242 (spanish).

  • PDFicon01 Stefano Utili, Andrea Agosti & Nelson Morales (2021). OptimalSlope: a software to determine optimal pitwall shapes which maximises mining financial returns while minimising carbon footprint. In Proceedings of GEOMIN-MINEPLANNING 2021, Santiago, Chile, pp. 303 - 307. 

  •  S Abulkhair, N Madani and N. Morales (2021). Reproduction of inequality constraint between iron and silica for accurate production scheduling. In Proceedings of Iron Ore Conference, Perth, Australia, pp. 531 - 541.

Peer-reviewed publications (ISI - Science Citation Index)

  •   Pierre Nancel-Penard, Nelson Morales, Valentina Rojas & Tomás González (2020). A heuristic approach for scheduling activities with "OR"-precedence constraints at an underground mine. International Journal of Mining, Reclamation and Environment, Volume 34(10), 748-762.

  •   Fabián Manríquez, Javier Pérez & Nelson Morales. A simulation-optimization framework for short-term underground mine production scheduling. Optimization and Engineering. 21, 939–971.

  •   Enrique Jelvez, Nelson Morales & Hooman Askari-Nasab (2020). A new model for automated pushback selection. Computers & Operations Research, Volume 115, 104456. (This paper belongs to the Special Issue: Recent Advances in Mine Planning, Scheduling and Optimisation: Theory and Applications).

  • DOIicon PDFicon01 Enrique Jelvez, Nelson Morales, Pierre Nancel-Penard & Fabien Cornillier (2020). A new hybrid heuristic algorithm for the Precedence Constrained Production Scheduling Problem: A mining application. Omega, Volume 94, 102046.

  • DOIicon PDFicon01 Mohammad Maleki, Enrique Jelvez, Xavier Emery, Nelson Morales (2020). Stochastic open-pit mine production scheduling: a case study of an iron deposit. Minerals, 10(7), 585. (This paper belongs to the Special Issue: Geological Modelling, Volume II).

Peer-reviewed Publications (no ISI)

  • PDFicon01 Carlos Toledo & Nelson Morales (2020). An application of Direct Block Scheduling for short-term construction in panel caving. In Proceedings of MASSMIN2020, Santiago, Chile, pp. 850 - 861.

  • PDFicon01 Enrique Jelvez, Matías Caro, Nelson Morales & Alex Carpanetti (2020). A comparison between conventional nested pits based on LG and an extended approach for generating nested pits in open-pit mine production. In Proceedings of MASSMIN2020, Santiago, Chile, pp. 1421 - 1433.

  • PDFicon01 Cristóbal Cerón, Pierre Nancel-Penard & Nelson Morales (2020). Application of a semi-automatic method for optimal ramp design. In Proceedings of MASSMIN2020, Santiago, Chile, pp. 1434 - 1441.

  • PDFicon01 Ricardo Moreno, Manuel Reyes-Jara & Pierre Nancel-Penard (2020). A comparison between open-pit ramp design obtained by varying design characteristics and through linear optimization. In Proceedings of MASSMIN2020, Santiago, Chile, pp. 1442 - 1450.

  • PDFicon01 Valeria Loor & Nelson Morales (2020). Applying artificial intelligence for optimal production scheduling and phase design in open-pit mining. In Proceedings of MASSMIN2020, Santiago, Chile, pp. 1451 - 1466.

  • PDFicon01Luis Alvarez & Nelson Morales (2020). Optimización de planificación de desarrollo y preparación de corto plazo en minería subterránea, In Journal of Mining Engineering and Research 2(2).

Peer-reviewed publications (ISI - Science Citation Index)

  • DOIicon  Pierre Nancel-Penard, Andrés Parra, Nelson Morales, Cristopher Díaz & Eleonora Widzyk-Capehart (2019). Value-optimal design of ramps in open-pit mining. Archives of Mining Sciences. Volume 64, N° 2, pp. 399-413.

  • Nelson Morales, Sebastián Seguel, Alejandro Cáceres, Enrique Jélvez & Maximiliano Alarcón (2019). Incorporation of geometallurgical attributes and geological uncertainty into long-term open-pit mine planning. Minerals, 9(2), 108. (This paper belongs to the Special Issue: Geometallurgy).

  •   Fabián Manríquez, Nelson Morales, Gastón Pinilla & Iván Piñeyro (2019). Discrete event simulation to design open-pit mine production policy in the event of snowfall. International Journal of Mining, Reclamation and Environment. Volume 33, N° 8, pp. 572-588.

Peer-reviewed Conference Publications (no ISI)

  • DOIicon PDFicon01 Nelson Espejo, Nelson Morales & Pierre Nancel-Penard (2019). A methodology for automatic ramp design in open-pit mines. Journal of Mining Engineering & Research, Volume 1, N° 2, pp. 87-93.

  • DOIicon PDFicon01 Felipe Orellana, Nelson Morales & Enrique Jelvez (2019). Modelo integrado de simulación y optimización para planes mineros de corto plazo en minería a cielo abierto. Journal of Mining Engineering & Research, Volume 1, N° 2, pp. 150-158.

  • DOIicon PDFicon01 Enrique Jelvez, Nelson Morales & Julian Ortiz (2019). Impact of geological uncertainty at different stages of the open-pit mine production planning process. In Proceedings of the 28° MPES 2019, Perth, Australia, pp. 83-91.

  • DOIicon PDFicon01 Sergio Montané, Pierre Nacel-Penard & Nelson Morales (2019). Optimization and sequencing a semiautomated ramp design in underground mining: a case study. In Proceedings of the 28° MPES, Perth, Australia, pp. 139-145.

  • DOIicon PDFicon01 Fabián Manríquez, Héctor González, & Nelson Morales (2019). Short-term open-pit production scheduling with hierarchical objectives. In Proceedings of the 39° APCOM 2019, Wrocław, Polonia, pp. 443-451.

  • DOIicon PDFicon01 Gonzalo Nelis, Nelson Morales & Julián Ortíz (2019). Performance assessment of antithetic random fields in a stochastic mine planning model. In Proceedings of the 39° APCOM 2019, Wrocław, Polonia, pp. 300-308.

  • DOIicon PDFicon01 Nelson Espejo, Pierre Nancel-Penard & Nelson Morales (2019). A procedure to generate optimized ramp designs using mathematical programming. In Proceedings of the 39° APCOM 2019, Wrocław, Polonia, pp. 272-278.

  • PDFicon01 Valentina Rojas, Tomás González & Nelson Morales (2019). Optimization of an annual mining development plan using mathematical programming. In Proceedings of 6° International Conference on Geology and Mine Planning - Geomin-Mineplanning 2019, Santiago, Chile, pp. 272-280.

  • PDFicon01 Josué González & Nelson Morales (2019). Simulation and optimization of bench-mining sequences using fully mobile in-pit sizer and conveyor systems. In Proceedings of 6° International Conference on Geology and Mine Planning - Geomin-Mineplanning 2019, Santiago, Chile, pp. 261-271.

  • PDFicon01 Héctor González, Nelson Morales & Fabián Manríquez (2019). Loading equipment planning considering optimization and simulation for the fulfilment of a production plan in open pit mining. In Proceedings of 6° International Conference on Geology and Mine Planning - Geomin-Mineplanning 2019, Santiago, Chile, pp. 290-298.

Peer-reviewed Publications (ISI - Science Citation Index)

  •   Andrés Parra, Nelson Morales, Javier Vallejos & Phu Minh Vuong Nguyen (2018). Open pit mine planning considering geomechanical constraints. International Journal of Mining, Reclamation and Environment. Volume 32, N° 4, pp. 221-238.

  •   Pedro Campos, Carlos Arroyo & Nelson Morales (2018). Application of optimized models through direct block scheduling in traditional mine planning. Southern African Institute of Mining and Metallurgy, Volume 118, N° 4, pp. 381-386.

  •   Gonzalo Nelis, Julián Ortiz & Nelson Morales (2018). Antithetic Random Fields applied to Mine Planning under Uncertainty. Computers & Geosciences, Volume 121, pp. 23-29.

Peer-reviewed Conference Publications (no ISI)

  •  David Meneses, Nelson Morales & Enrique Jélvez (2018). Metodología de planificación minera a cielo abierto considerando planes alternativos. In Proceedings of the II Congreso Iberoamericano en Minería Subterránea y a Cielo Abierto - UMining 2018, Santiago, Chile. pp. 23-34. (In Spanish)

  •  Enrique Jélvez & Nelson Morales (2018). Impacto de la incertidumbre geológica en diferentes etapas del proceso de planificación de la producción de minas a cielo abierto. In Proceedings of the II Congreso Iberoamericano en Minería Subterránea y a Cielo Abierto - UMining 2018, Santiago, Chile. pp. 35-45. (In Spanish)

  •   Héctor González & Nelson Morales (2018). Optimal selection and assignment of loading equipment for the compliance of an open pit production plan. In Proceedings of the 27° International Symposium on Mine Planning and Equipment Selection - MPES 2018, Santiago, Chile.

  •   Gonzalo Nelis, Nelson Morales & Eleonora Widzyk-Capehart (2018). Comparison of different approaches to strategic open-pit mine planning under geological uncertainty. In Proceedings of the 27° International Symposium on Mine Planning and Equipment Selection - MPES 2018, Santiago, Chile.

  •   Sergio Montané, Pierre Nancel-Penard & Nelson Morales (2018). Methodology to optimize and sequence the semiautomated ramp design in underground mining. In Proceedings of the 27° International Symposium on Mine Planning and Equipment Selection - MPES 2018, Santiago, Chile.

  •   Valentina Rojas, Tomás González & Nelson Morales (2018). Generation of a monthly mining development plan for underground mines using mathematical programming. In Proceedings of the 27° International Symposium on Mine Planning and Equipment Selection - MPES 2018, Santiago, Chile.

  •   Raúl Amirá, Nelson Morales & Alejandro Cáceres (2018). Analysis of the impact of the dilution in the planning of open-pit mines for highly structural veti-shaped bodies. In Proceedings of the 27° International Symposium on Mine Planning and Equipment Selection - MPES 2018, Santiago, Chile.

  •   Enrique Jélvez, Nelson Morales & Pierre Nancel-Penard (2018). Open-pit mine production scheduling: improvements to MineLib library problems. In Proceedings of the 27° International Symposium on Mine Planning and Equipment Selection - MPES 2018, Santiago, Chile.

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