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البحوث المنشورة

Skip Navigation LinksEffat University > جامعة عفت > دليل منسوبي الجامعة > د. عمر الصوافي > البحوث المنشورة

  • اهتمامات البحث العلمي:

  • ​​Alsawafy, O. G. (2026). Flexible Inspection Approach for Maintenance Planning in Multi-Component Systems with Dependencies and Service Logistics. IEEE Access, 14, 7325-7338.
  • Attia, A. M., Alanbar, N. S., Alsawafy, O. G., & Akbar, C. (2026). Optimization of a Sustainable Petrochemical Supply Chain: A MILP Framework for Integrated Economic and Environmental Performance. Process Integration and Optimization for Sustainability, 1-15.
  • Al Hanbali, A., Darghouth, M. N., Ali Atiah, A. M., Hussein Ghaithan, A. M., Mohammed, A., Alsawafy, O., & Abdel-Aal, M. A. (2026). Optimizing inspection and maintenance decisions in degrading systems with quality-loss. Proceedings of the Institution of Mechanical Engineers, Part O: Journal of Risk and Reliability, 1748006X261434623.
  • Mohammed, A., AlRehaili, M., Al-Hanbali, A., Attia, A. M., Darghouth, M. N., Ghaithan, A., ... & Alsawafy, O. (2026). Machine Learning Models Integrated with Strategic Theories for Predicting Delivery Time in Supply Chains. Results in Engineering, 111069.
  • Alsawafy, O. G., & Selim, S. Z. (2025). Optimal promise time for customer orders in imperfect discrete production systems with earliness and lateness penalties. International Journal of Production Research, 63(19), 7077–7089.
  • Alsawafy, O. G., Darghouth, M. N., Al Hanbali, A. A., & Ghaithan, A. M. (2025). Dependency-aware maintenance optimization of multi-component multi-asset systems: A simulation-based approach. Computers & Industrial Engineering, 206, 111192.
  • Nasir, A., Mekid, S., Sawlan, Z., & Alsawafy, O. G. (2025). Optimized task assignment and predictive maintenance for industrial machines using Markov decision process. Operational Research, 25, Article 96.
  • Attia, A. M., Darghouth, M. N., Ghaithan, A. M., Mohammed, A., Abdel-Aal, M. A. M., Al Hanbali, A., & Alsawafy, O. G. (2025). Design optimization of standalone photovoltaic systems for enhanced energy density. Renewable Energy, 252, 123506.
  • Almaslami, A., Alsawafy, O., & Al-Maraj, I. (2025). Site selection for electric vehicle charging stations in car sharing systems: Integration of photovoltaic systems and upgrade decisions. Energy, 335, 138138.
  • Khallaf, Z., Alshibani, A., Alsawafy, O. G., Mohammed, A., & Bubshait, A. A. (2024). Dynamic fleet configuration model for optimizing earthmoving operations using mixed-integer linear programming. Journal of Construction Engineering and Management, 150(11), 04024110.
  • Attia, A. M., Alatwi, A. O., Al Hanbali, A., & Alsawafy, O. G. (2024). Joint maintenance planning and production scheduling optimization model for green environment. Journal of Quality in Maintenance Engineering, 30(1), 1–18 (early access).
  • Alsawafy, O. G., & Selim, S. Z. (2023). Discrete production workstation with two types of imperfect items: determining the optimal promise time. International Journal of Systems Science: Operations and Logistics, 10(1), Article 2180689.
  • Akbar, U. A., Mekid, S., Alsawafy, O. G., & Al Hanbali, A. (2022). Design and development of best class discrete production model for distributed manufacturing under Industry 4.0. Arabian Journal for Science and Engineering, 47(12), 16485–16504.
  • Al Hanbali, A., Saleh, H. H., Alsawafy, O. G., Attia, A. M., Ghaithan, A. M., & Mohammed, A. (2022). Spare parts supply with incoming quality control and inspection errors in condition-based maintenance. Computers & Industrial Engineering, 172, 108534.
  • Mohammed, A., Ghaithan, A., Al-Hanbali, A., Attia, A. M., Saleh, H. H., & Alsawafy, O. G. (2022). Performance evaluation and feasibility analysis of 10 kWp PV system for residential buildings in Saudi Arabia. Sustainable Energy Technologies and Assessments, 51, 101920.
  • Alsawafy, O. G., & Selim, S. Z. (2022). Analysis of a discrete production workstation. Computers & Operations Research, 137, 105532.
  • Ghaithan, A. M., Al-Hanbali, A., Mohammed, A., Attia, A. M., Saleh, H. H., & Alsawafy, O. G. (2021). Optimization of a solar-wind–grid powered desalination system in Saudi Arabia. Renewable Energy, 178, 295–306.
  • Attia, A. M., Al Hanbali, A., Saleh, H. H., Alsawafy, O. G., Ghaithan, A. M., & Mohammed, A. (2021). A multi-objective optimization model for sizing decisions of a grid-connected photovoltaic system. Energy, 229, 120730.
  • Alfares, H. K., & Alsawafy, O. G. (2019). A least-loss algorithm for a bi-objective one-dimensional cutting-stock problem. International Journal of Applied Industrial Engineering, 6(2), 1–19.
  • Muhammad, A.-S., & Alsawafy, O. (2012). Economic order quantity for items with two types of imperfect quality. An International Journal of Optimization and Control: Theories & Applications (IJOCTA), 2(1), 73–82.​



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