Faculty
Ahmed M. Ibrahim, Ph.D., P.E.
Associate Professor
- Phone: 410-293-6455
- E-mail: ibrahim@usna.edu
- 309 Rickover Hall
Education
- Ph.D., Mechanical Engineering, University of Houston (UH), 2016
- M.S., Naval Architecture and Marine Engineering, University of New Orleans (UNO), 2005
- B.S., Naval Architecture and Marine Engineering, Alexandria University, 1996
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
Awards
- The 2026 recipient of the American Bureau of Shipping — Captain Joseph H. Linnard prize for the "Best Paper Contributed to the SNAME Maritime Convention (SMC) and appearing in SNAME's Transactions" for the paper: "Comparison of Slamming Force Calculations for a Semi-Displacement Vessel"
Research and Publications
Peer-reviewed journal articles
- Beaver, William, Judge, Carolyn Q., Ibrahim, Ahmed M., “Development and validation of a small-scale planar motion mechanism (PMM)” Ocean Engineering, vol. 365, September 2026, 127099. https://doi.org/10.1016/j.oceaneng.2026.127099
- 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, 2026, https://doi.org/10.1007/s40964-025-01386-w.
- Ibrahim, Ahmed M., and Morabito, Michael, “Design Load Prediction for Semi- Displacement Vessels”, Naval Engineers Journal. Vol. 137-3, Fall 2025.
- 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). Vol. 35, No. 3, Sep 2025,
https://doi.org/10.17736/ijope.2025.ik16 - 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
- 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
- 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, 2241. https://doi.org/10.3390/polym16162241
- 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
- Ibrahim, Ahmed M., Czabaj, Michael, Earp, Brian and Slager, Jonathan, “Towards the Next Generation of Models for Hydroelastic Experiments”, SNAME Maritime Convention (SMC26), Houston, 2026.
- Scolaro, Cora, Datla, Raju, Ibrahim, Ahmed M., and Stambaugh, Karl, “Hydrodynamic Loads Comparison Between Two Model Scales in Hydroelastic Experiments”, SNAME Maritime Convention (SMC26), Houston, 2026.
- Judge, Carolyn Q., Ibrahim, Ahmed M., “Experimental Investigation of Chine Walking in a Double-Stepped Planing Hull”, Proceedings of the 21st International Ship Stability Workshop, 13-16 September 2026, Ferrol, Spain.
- Ibrahim, Ahmed M., Judge, Carolyn Q., Gilbert, John and Gilbert, Christine, “Slamming Force Calculations Comparison: Experiment, Numerical Simulation, Machine Learning”, 36 th Symposium on Naval Hydrodynamics, Busan, Korea, 14 – 19 June, 2026.
- Gilbert, John, Judge, Carolyn Q., Ibrahim, Ahmed M., and Gilbert, Christine, “Inception of Small Craft Dynamic Instabilities: Predictions from Experiments and Machine Learning”, 36 th Symposium on Naval Hydrodynamics, Busan, Korea, 14 – 19 June, 2026.
- 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. (Selected as the 2026 recipients of the American Bureau of Shipping — Captain Joseph H. Linnard Prize for Best Paper Contributed to SMC-25. It was also selected for SNAME Transactions.)
- 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
- 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
- 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.
- 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
- 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 (Selected for SNAME Transactions.)
- 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
- 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.
- 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.
- 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
Sponsored research projects
- Project Title: Drag Forces on Moored Ships
- Sponsor: NAVFAC Engineering and Expeditionary Warfare Center
- Project Title: Physics Informed Machine Learning, Theory, and Comprehensive Experiments for Small Craft Hull Behaviors
- Sponsor: Office of Naval Research (ONR)
- Project Title: Incorporating Additive Manufacturing Methods into Structural Model Testing
- Sponsor: Office of Naval Research (ONR)
- 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)
- Project Title: Slamming Pressure Measurements in the USCG Cutter FRC
- Sponsor: US Coast Guard