Peer-reviewed publications (ISI - Science Citation Index)

  • 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 (to appear).

  • 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.

  • DOIicon PDFicon01 Enrique Jélvez, Nelson Morales, Pierre Nancel-Penard & Fabien Cornillier (2019). A new hybrid heuristic algorithm for the Precedence Constrained Production Scheduling Problem: A mining application. Omega (to appear).

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.

  •   Fabián Manríquez, Nelson Morales, Gastón Pinilla & Iván Piñeyro. Discrete event simulation to design open-pit mine production policy in the event of snowfall. International Journal of Mining, Reclamation and Environment (to appear).

  •   Enrique Jélvez, Nelson Morales & Hooman Askari Nasab. A new model for automated pushback selection. Computers & Operations Research (to appear).

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.

Peer-reviewed Conference Publications (no ISI)

  •  Javier Pérez, Nelson Morales, Eleonora Widzyk-Capehart, Valentina Rojas & Javier Vallejos (2017). Short and medium term mine planning in selective underground mining considering equipment performance. In Proceedings of the 26th International Symposium on Mine Planning and Equipment Selection - MPES 2017, Lulea, Suecia, pp. 281-286.

  •  Pedro Sanhueza, Nelson Morales, Pierre Nancel-Penard & Andrés Parra (2017). Metodología para el diseño optimizado semiautomático de rampas en múltiples fases en minería a cielo abierto. In Proceedings of the XII Conferencia Chilena sobre Investigación de Operaciones - OPTIMA 2017, Viña del Mar, Chile, pp. 58-60. (in Spanish)

  •  Valentina Rojas, Gonzalo Nelis & Nelson Morales (2017). Secuencia óptima de extracción de caserones en minería subterránea selectiva: Un caso de estudio. In Proceedings of the XII Conferencia Chilena sobre Investigación de Operaciones - OPTIMA 2017, Viña del Mar, Chile, pp. 61-63. (in Spanish)

  •  Sergio Montané, Pierre Nancel-Penard & Nelson Morales (2017). Metodología para diseño óptimo semiautomático de rampas en minería subterránea. In Proceedings of the XII Conferencia Chilena sobre Investigación de Operaciones - OPTIMA 2017, Viña del Mar, Chile, pp. 67-69. (in Spanish)

  •  Manuel Rodríguez, Nelson Morales & Eleonora Widzyk-Capehart (2017). Optimization of the open-pit/panel caving joint production plan. In Proceedings of the XII Conferencia Chilena sobre Investigación de Operaciones - OPTIMA 2017, Viña del Mar, Chile, pp. 318-320. (in Spanish)

  •  Javier Vásquez, Nelson Morales & Javier Cornejo (2017). Optimización de planes de producción en panel caving incluyendo actividades de preparación y desarrollo. In Proceedings of the XII Conferencia Chilena sobre Investigación de Operaciones - OPTIMA 2017, Viña del Mar, Chile, pp. 338-340. (in Spanish)

  •  Héctor González, Nelson Morales & Andrés Parra (2017). Selección y asignación óptima de equipos de carguío para el cumplimiento de un plan de producción en minería a cielo abierto. In Proceedings of the XII Conferencia Chilena sobre Investigación de Operaciones - OPTIMA 2017, Viña del Mar, Chile, pp. 370-372. (in Spanish)

  •  María José Suárez, Nelson Morales & Felipe Navarro (2017). Design of Extraction Phases in Open Pit Mines Using a Genetic Algorithm. In Proceedings of the 5th International Seminar on Mine Planning - MinePlanning 2017, Santiago, Chile.

  •  Manuel Rodríguez, Nelson Morales, Phu Vuong & Eleonora Widzyk (2017). Long-Term Production Scheduling in an Open-Pit to Panel Caving Transition Context. In Proceedings of the 5th International Seminar on Mine Planning - MinePlanning 2017, Santiago, Chile.

  •  Félix Valenzuela, Javier Cornejo, Nelson Morales, Felipe Hidalgo & Christian Caviedes (2017). Productive System Simulation of Diablo Regimiento Mine, El Teniente. In Proceedings of the 5th International Seminar on Mine Planning - MinePlanning 2017, Santiago, Chile.

  •  Javier Vásquez, Nelson Morales & Javier Cornejo (2017). Optimization of Mining Planning in Block/Panel Caving Mines Including Development Activities. In Proceedings of the 5th International Seminar on Mine Planning - MinePlanning 2017, Santiago, Chile.

  •  Valentina Rojas, Nelson Morales, Javier Pérez & Javier Vallejos (2017). Optimization of Extraction Sequence in a Bench and Fill Mine Considering the Impact of Exposure Rate on Dilution: A Case Study. In Proceedings of the 5th International Seminar on Mine Planning - MinePlanning 2017, Santiago, Chile.

  •  Cristopher Díaz, Andrés Parra, Pierre Nancel-Penard & Nelson Morales (2017). Semi-Automatic Generation of Ramps in Open Pit Mining Using Mathematical Programming. In Proceedings of the 5th International Seminar on Mine Planning - MinePlanning 2017, Santiago, Chile.

  •  Andrés Parra, Felipe Saavedra, Nelson Morales & James McPhee (2017). Mine Scheduling Considering Hydrologic Scenarios. In Proceedings of the 5th International Seminar on Mine Planning - MinePlanning 2017, Santiago, Chile.

  •  Nelson Morales, Pierre Nancel-Penard & Andrés Parra (2017). An Integer Linear Programming Model For Optimizing Open Pit Ramp Design. In Proceedings of the 38th APCOM 2017, Denver, Colorado, USA, pp. 11.9 - 11.16.

  •  Enrique Jélvez & Nelson Morales (2017). MIP-Based Procedure to Pushbacks Selection. In Proceedings of the 38th APCOM 2017, Denver, Colorado, USA, pp. 7.1 - 7.8.

  •  Javier Vásquez, Nelson Morales & Javier Cornejo (2017). Optimization of Mining Planning in Block / Panel Caving Mines Including Development ActivitIes. In Proceedings of the 38th APCOM 2017, Denver, Colorado, USA, pp. 16.1 - 16.8.

  •  Alejandro Ehrenfeld, Nelson Morales, Javier Testart & Sergio López (2017). Virtual Planning Room, Intelligent Cloud Software Platform for Mine Planning Activites. In Proceedings of the 38th APCOM 2017, Denver, Colorado, USA, pp. 4.17 - 4.21.

Invited and Contributed Talks

  • Valentina Rojas, Rodrigo Carrasco, Alessandro Hill & Nelson Morales. "Activity Scheduling in Mine Construction", in 2017 INFORMS Annual Meeting, Houston, Texas, USA.

  • Enrique Jélvez, Nelson Morales & Julián Ortíz. "An Efficient Frontier Analysis to Determine Final Pit Under Geological Uncertainty", in 2017 INFORMS Annual Meeting, Houston, Texas, USA.

  • Nelson Morales. "Production and Construction Optimization in Underground Mining", in 2017 INFORMS Annual Meeting, Houston, Texas, USA.

  • Nelson Morales, Felipe Orellana, Javier Pérez & Héctor Toro. "Combining Optimization and Simulation for Generating Best Plans", in SME Annual Meeting & Expo 2017, Denver, Colorado, USA.

Peer-reviewed Publications (ISI - Science Citation Index)

  •   Enrique Jélvez, Nelson Morales, Pierre Nancel-Penard, Juan Peypouquet & Patricio Reyes (2016). Aggregation heuristic for the open-pit block scheduling problem. European Journal of Operational Research, Volume 249, N° 3, pp. 1169-1177.

  •   José Saavedra-Rosas, Enrique Jélvez, Jorge Amaya & Nelson Morales (2016). Optimizing open pit block scheduling with exposed ore reserve. Southern African Institute of Mining and Metallurgy, Volume 116, N° 7, pp. 655-662.

  •   Nelson Morales & Patricio Reyes (2016). Increasing value and feasibility of open pit plans by integrating the mining system into the planning process. Southern African Institute of Mining and Metallurgy, Volume 116, N° 7, pp. 663-672.

Peer-reviewed Conference Publications (no ISI)

  •  Enrique Jélvez, Nelson Morales & Hooman Askari Nasab (2016). A New Methodology for the Automated Pushback Selection. In Proceedings of the 6th International Conference on Innovation in Mine Operations - MININ 2016, Santiago, Chile.

  •  Javier Perez & Nelson Morales (2016). Production Estimate in Selective Underground Mining by Simulations. In Proceedings of the 6th International Conference on Innovation in Mine Operations - MININ 2016, Santiago, Chile.

  •  Alejandro Ehrenfeld, Sergio López, Nelson Morales & Javier Testart (2016). Virtual Planning Room: Analytical Mine Planning Work, Based on Tools Integration and a Robust Cloud Information System. In Proceedings of the 6th International Conference on Innovation in Mine Operations - MININ 2016, Santiago, Chile.

  •  Andrés Parra & Nelson Morales (2016). Qualitative Review of Alternative Transport Systems for Open Pit Mine. In Proceedings of the 6th International Conference on Innovation in Mine Operations - MININ 2016, Santiago, Chile.

  •  Sebastián Seguel, Nelson Morales & Alejandro Cáceres (2016). Incorporating Geometallurgical Attributes and Uncertainties into Mine Planning of an Open Pit Mine. In Proceedings of the 6th International Conference on Innovation in Mine Operations - MININ 2016, Santiago, Chile.

  •  Antonio Barberán, Alfredo López, Carsten Friedrich, Felipe Navarro, Carlos González, Nelson Morales & Álvaro Egaña (2016). Abeja VGML: Geometallurgical Application on Cloud Services. In Proceedings of the 6th International Conference on Innovation in Mine Operations - MININ 2016, Santiago, Chile.

Peer-reviewed Conference Publications (no ISI)

  •  Maximiliano Alarcón, Nelson Morales & Xavier Emery (2015). Using Simulation to Assess the Trade-off Between Value and Reliability in Open-Pit Planning. In Proceedings of the 37th APCOM 2015, Fairbanks, Alaska, USA. pp. 333-342.

  •  Cecilia Julio, Jorge Amaya, Amina Lamghari & Nelson Morales (2015). Optimal Economic Envelope of Joint Open-Pit and Underground Mines. In Proceedings of the 37th APCOM 2015, Fairbanks, Alaska, USA. pp. 343-351.

  •  Nelson Morales, Enrique Jélvez, Pierre Nancel-Penard, Alexandre Marinho & Octavio Guimaraes (2015). A Comparison of Conventional and Direct Block Scheduling Methods for Open-Pit Mine Production Scheduling. In Proceedings of the 37th APCOM 2015, Fairbanks, Alaska, USA. pp. 1040-1051.

  •  Nelson Morales, Alejandra Gómez & Javier Vallejos (2015). Multi-Criteria Optimization for Scheduling of a Bench and Fill Mine. In Proceedings of the 37th APCOM 2015, Fairbanks, Alaska, USA. pp. 1072-1078.

Invited and Contributed Talks

  • Jélvez E., Morales N., Nancel-Penard P., "MIP based heuristics to optimize block scheduling: Improving known solutions in Minelib", in CORS/INFORMS 2015, Montreal, Canada.

  • Morales N., Nelis G., Quiroz J., Rocher W., "UDESS - A multipurpose scheduling problem for mine planning", in CORS/INFORMS 2015, Montreal, Canada.

  • Morales N., Nancel-Penard P., "MineLink: A framework for optimization in open pit block scheduling", in CORS/INFORMS 2015, Montreal, Canada.

  • Nelis G., Gamache M., Marcotte D., Bai X., "Stope optimization with convexity constraints", in CORS/INFORMS 2015, Montreal, Canada.

  • Morales N., Gómez A., Vallejos J., "Multi-criteria optimization for scheduling of a Bench & Fill mine", in MinePlanning 2015, Antofagasta, Chile.

  • Sepúlveda G., Alarcón M., Morales N., "integración de parámetros técnico-económicos y variables geometalúrgicas en la planificación minera", in MinePlanning 2015, Antofagasta, Chile.

  • Parra A., Morales N., Vallejos J., "Planificación minera a cielo abierto utilizando fundamentos geomecánicos", in MinePlanning 2015, Antofagasta, Chile.

  • Alarcón M., Morales N., Mancilla D., "VGML: integración de minería de datos, geostadística y planificación minera en la nube", in MinePlanning 2015, Antofagasta, Chile.

  • Yarmuch, J., Nancel-Penard P., Morales N., "Factores relevantes para la comparación de modelos de optimización en minas a rajo abierto", in MinePlanning 2015, Antofagasta, Chile.

  • Vargas E., Morales N., Emery X., "Cálculo de envolvente económica bajo incertidumbre geológica en minas de Block Caving", in MinePlanning 2015, Antofagasta, Chile.

  • Manríquez F., Navarrete M., Morales N., "Evaluación de incertidumbre geológica y operacional en planes mineros de corto plazo a cielo abierto", in MinePlanning 2015, Antofagasta, Chile.

  • Jélvez E., Morales N., Sepúlveda G., "Comparación de distintas aproximaciones para calcular pit final robusto bajo incertidumbre de leyes", in MinePlanning 2015, Antofagasta, Chile.

  • Toro H., Morales N., "Agendamiento multi-criterio de actividades de preparación minera en el corto plazo", in MinePlanning 2015, Antofagasta, Chile.

  • Morales N., "Nuevos desafíos para el modelamiento  en planificación minera", in OPTIMA 2015, Antofagasta, Chile.

  • Nancel-Penard P., Cornillier F., Morales N., "A hybrid improvement heuristic for the constrained pit problem in open pit mining", in OPTIMA 2015, Antofagasta, Chile.

  • Lobiano C., Morales N., Vallejos J., "Integración del peligro sísmico en planificación minera de Panel Caving", in OPTIMA 2015, Antofagasta, Chile.

  • Toro H., Morales N., "Modelo de agendamiento de actividades de preparación minera de corto plazo", in OPTIMA 2015, Antofagasta, Chile.