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").
  • Andrea Agosti, Stefano Utili, Nelson Morales, Cristobal Valderrama, Robert Pell, Guillermo Albornoz (2022), Optimal pitwall shapes to increase financial return and decrease carbon footprint of open pit mines (accepted in Mining, Metallurgy & Exploration)

 

 

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). DOI: https://doi.org/10.1007/s11053-021-09976-5
  •   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. https://doi.org/10.1007/s11081-021-09701-4
  •  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)

 

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 planningMinerals, 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. ten.vudopawutes.xyz (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.  fufahoteho.xyz/315.php (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.