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The U.S. Naval Academy
Naval Architecture & Ocean Engineering

Faculty

Falls

Ahmed M. Ibrahim, Ph.D., P.E.

Associate Professor

  •  Phone: 410-293-6455
  •  Fax: 410-293-2219
  •  E-mail: ibrahim@usna.edu
  • 309A Rickover Hall

Education

Professional Experience

  • Dept of Naval Architecture and Ocean Engineering, U.S. Naval Academy
    • Associate Professor, 2025 – Present
    • Assistant Professor, 2018 – 2025
  • MAST Marine, Inc.,
    • Hydrodynamics Consultant, 2017 – present
  • Department of Engineering Technology, UH
    • Adjunct Professor, 2012 – 2018
  • American Bureau of Shipping
    • Principal Engineer, 2003-2016
  • Halter Marine
    • Naval Architect, 2001-2003
  • AMFELS
    • Naval Architect, 2000-2001
  • May Ship Repair
    • Project Engineer, 1997-1999

Research and Publications

Peer-reviewed journal articles

  1. Slager, Jonathan, Earp, Brian, Storck, Steven, Wise, Sean, Zupan, Marc and Ibrahim, Ahmed M., “Increasing isotropy and predictability through electroplating of tensile properties of polyamide 12 parts manufactured by selective laser sintering”, Progress in Additive Manufacturing Journal, 2025, https://doi.org/10.1007/s40964-025-01386-w.
  2. Ibrahim, Ahmed M., and Morabito, Michael, “Design Load Prediction for Semi-Displacement Vessels”, Naval Engineers Journal. Vol. 137-3, Fall 2025.
  3. Metzger, Andrew, Ibrahim, Ahmed M., “A Method to Assess Ice-impact Tolerance of Non-ice-class Ships: Conservation of Energy Approach” Submitted to International Journal of Offshore and Polar Engineering (IJOPE). 35, No. 3, Sep 2025, https://doi.org/10.17736/ijope.2025.ik16
  4. Judge, Carolyn Q., Ibrahim, Ahmed M., “Experimental Investigation of Motions and Hull Girder Bending Moment of a Semi-displacement Vessel” Ocean Engineering, vol. 320, March 2025, 120295. https://doi.org/10.1016/j.oceaneng.2025.120295
  5. Ibrahim, Ahmed M., Judge, Carolyn Q., “Investigation of hull girder slamming factor for a semi-displacement vessel using model testing” Applied Ocean Research, vol. 150, September 2024, 104084. https://doi.org/10.1016/j.apor.2024.104084
  6. Slager, Jonathan, Earp, Brian, Ibrahim, Ahmed M., “Influence of Build Orientation and Part Thickness on Tensile Properties of Polyamide 12 Parts Manufactured by Selective Laser Sintering” Polymers, vol. 16, 2024, https://doi.org/10.3390/polym16162241
  7. Brewick, Patrick T., Ibrahim, Ahmed M., Hutchinson, Meredith, Morgan, Jesse, “Using Surrogate Models and Mechanics to Predict Pressure from Strain Data”, Ocean Engineering, vol. 261, August, p. 112064, 2022. https://doi.org/10.1016/j.oceaneng.2022.112064

Peer-reviewed conference publications

  1. Ibrahim, Ahmed M., Weems, Kenneth, Judge, Carolyn Q., and Stambaugh, Karl, “Comparison of slamming force calculations for a semi-displacement vessel”, SNAME Maritime Convention (SMC-25), Norfolk, 2025, https://doi.org/10.5957/SMC-2025-065
  2. Ibrahim, Ahmed M., Weems, Kenneth, and Judge, Carolyn Q., “Comparison of Motions and Slamming Loads for a Semi-displacement Vessel Using Model Testing and Numerical Simulation”, In: Spyrou, K.J., Themelis, N. (eds) Innovations in Sustainable Maritime Technology—IMAM 2025, Springer, https://doi.org/10.1007/978-3-032-01432-0_4
  3. Ibrahim, Ahmed M., Judge, Carolyn Q., “Motions and Slamming Factors Comparison for a Medium-Sized Semi-Displacement Vessel” SNAME Chesapeake Power Boat Symposium, Norfolk, October 2024. https://doi.org/10.5957/CPBS-2024-004
  4. Ibrahim, Ahmed M., Earp, Brian C., Slager, Jonathan J., Beaver, William E., “Incorporating Additive Manufacturing Methods into Structural Model Testing” Proceedings of the 34th International Ocean and Polar Engineering Conference, Rhodes, Greece, June 2024.
  5. Metzger, Andrew, Ibrahim, Ahmed M., “A Rapid Method to Assess Ice-impact Tolerance of Non-Ice-class Ships with Operational Insights: A Conservation of Energy Approach” Proceedings of the 34th International Ocean and Polar Engineering Conference, Rhodes, Greece, June 2024
  6. Ibrahim, Ahmed M., Morabito, Michael G., Beaver, William, "Development of a Segmented Model of a medium-sized Semi-displacement Vessel,” SNAME Maritime Convention, SMC 2022, Houston, 2022. https://doi.org/10.5957/SMC-2022-070
  7. Ibrahim, Ahmed M., Chen-Pey Huang, Richard Korpus and Charles Dalton, “CFD Simulation of Current Past Bluff Body at High Reynolds Number”, Offshore Technology Conference, OTC-26911-MS, 2016 Houston, Texas. https://doi.org/10.4043/26911-MS
  8. Ibrahim, Ahmed M., Balji Menon, Kenneth Weems and Woei-Min Lin, “Motion Validation Study of a Semi-displacement Monohull”, 10th International Conference on Fast Sea Transportation, 2009, Athens, Greece.
  9. Sungeun “Peter” Kim, Seung Jae Lee and Ibrahim, Ahmed M., “Direct Analysis of Structural Loads on High Speed Naval Craft”, High Performance Marine Vehicles Symposium 2009, Linthicum, MD, USA.
  10. Balji Menon, Ibrahim, Ahmed M. and Derek Novak, “Global Hull Girder Loads on High-Speed Monohulls”, 10th International Symposium on Practical Design of Ships and Other Floating Structures (PRADS) 2007, Houston, Texas, USA

 Presentations

  1. Ibrahim, Ahmed M., Weems, Kenneth, Judge, Carolyn Q., and Stambaugh, Karl, “Comparison of slamming force calculations for a semi-displacement vessel”, SNAME Maritime Convention (SMC-25), Norfolk, October 2025. Presented by Karl Stambaugh.
  2. Ibrahim, Ahmed M., Weems, Kenneth, and Judge, Carolyn Q., “Comparison of Motions and Slamming Loads for a Semi-displacement Vessel Using Model Testing and Numerical Simulation”, IMAM 2025, Crete, Greece, September 2025.
  3. Ulatowski, Ava, Goncharov, Daniel, and Ibrahim, Ahmed M., “Mooring Forces in Shallow Water” SNAME- ASNE Students’ Papers Night, Virginia, April 2025.
  4. Ibrahim, Ahmed M., “Seaway Loads Initiative: Current Status and the Road Ahead” SNAME Maritime Convention, SMC 24, Norfolk, October 2024.
  5. Ibrahim, Ahmed M., Judge, Carolyn Q., “Motions and Slamming Factors Comparison for a Medium-Sized Semi-Displacement Vessel” SNAME Chesapeake Power Boat Symposium, Norfolk, October 2024. 
  6. Ibrahim, Ahmed M., Judge, Carolyn Q., Morabito, Michael G., “Global Hull Girder Loads Design Considerations for a Medium-Sized Semi-Displacement Vessel using Numerical Simulation and Model Testing” Multi-Agency Craft Conference, ASNE, Norfolk, July 2024.
  7. Ibrahim, Ahmed M., “Design Load Considerations for Semi-Displacement Vessels” National Technical University of Athens (NTUA), Athens, Greece, June 2024.
  8. Ibrahim, Ahmed M., Earp, Brian C., Slager, Jonathan J., Beaver, William E., “Incorporating Additive Manufacturing Methods into Structural Model Testing” Proceedings of the 34th International Ocean and Polar Engineering Conference, Rhodes, Greece, June 2024.
  9. Metzger, Andrew, Ibrahim, Ahmed M., “A Rapid Method to Assess Ice-impact Tolerance of Non-Ice-class Ships with Operational Insights: A Conservation of Energy Approach” Proceedings of the 34th International Ocean and Polar Engineering Conference, Rhodes, Greece, June 2024.
  10. Ulatowski, Ava, Ibrahim, Ahmed M., “Incorporating Additive Manufacturing Methods into Structural Model Testing” SNAME- ASNE Students’ Papers Night, Virginia, April 2024.
  11. Ibrahim, Ahmed M., Basu, Roger, “The Role of Loads in Ship Structural Failures” SNAME Technical & Research Webinar, May 2023.
  12. Nguyen, Kobe, Ibrahim, Ahmed M., “Incorporating Additive Manufacturing Methods into Structural Model Testing” SNAME- ASNE Students’ Papers Night, Virginia, April 2023.

Sponsored research projects

  • Project Title: Drag Forces on Moored Ships
    • Sponsor: NAVFAC Engineering and Expeditionary Warfare Center
  • Project Title: Incorporating Additive Manufacturing Methods into Structural Model Testing
    • Sponsor: Office of Naval Research (ONR)
  • Project Title: Slamming Pressure Measurements in the USCG Cutter FRC-B
    • Sponsor: US Coast Guard
  • Project Title: Energy Approach in Assessing Ice-impact Tolerance of Non-ice Ships
    • Sponsor: Office of Naval Research (ONR)
  • Project Title: Inherent Sea Ice Resilience of Navy Surface Ships: Background Study
    • Sponsor: Office of Naval Research (ONR)

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