Bettar Ould el Moctar

Prof. Dr.-Ing. - Professor

Head of the Institute for Ship Technology and Ocean Engineering,
Dep. Mechanical Engineering, University of Duisburg-Essen, Germany
Full Professor for Ship Technology and Ocean Engineering at the University of Duisburg-Essen

Elmoctar

Bettar Ould EL MOCTAR

University of Duisburg-Essen

Department of Mechanical Engineering
Ship Technology and Ocean Engineering
Bismarckstrasse 69, 47057 Duisburg, Germany
Tel: +49 203 379 2539
E-Mail: ould.el-moctar@uni-due.de
https://www.uni-due.de/ISMT

Present Positions

2008 – present      Head of the Institute for Ship Technology and Ocean Engineering, Dep.
                                 Mechanical Engineering, University of Duisburg-Essen, Germany
                                 Full Professor for Ship Technology and Ocean Engineering at the University of Duisburg-Essen

2013 – present       Director of the Model Basin: Development Centre for Ship Technology and Transport Systems,
                                  DST, Duisburg, Germany

Professional Activities

  • Editor in Chief of Journal of Ship Technology Research, Publisher: Taylor & Francis, UK
  • Co-Editor of Journal of Offshore Mechanics and Arctic Engineering, Publisher: The American Society of Mechanical Engineers (ASME), USA
  • Co-Editor of Journal of Ship Research, Publisher: Society of Naval Architects and Marine Engineers (SNAME), USA
  • Co-Editor of Journal of Marine Science and Application, Publisher: Springer, Switzerland
  • Co-Editor of American Journal of Civil Engineering, USA
  • Member of the Advisory Board “Maritime Research”, Federal Ministry for Economic Affairs and Energy (BMWi), Germany
  • Member of the Advisory Board “Logistics 2030 Innovation Programme”, Federal Ministry of Transport and Digital Infrastructure, Germany
  • Member of the Advisory Board of the German Research Ships “Meteor” and “Merian”, Hamburg, Germany
  • Member of the Council of Science of the Federal Waterways Engineering and Research Institute (BAW), Germany
  • Member of the Ship Technology Committee of the Association of German Engineers (VDI), Germany
  • Member of the Advisory Council of the International Towing Tank C. ITTC, Denmark
  • Member of the Advisory Board of the German Association for Marine Technology (GMT), Germany
  • Member of various international Scientific Committees (e.g. joint ISSC-ITTC Committee,…)
  • Member of the Advisory Board of the German Society for Maritime Technology (STG)
  • Member of the Selection Committee “Engineering” of the German Academic Exchange Service (DAAD)

Past Positions

2013 - 2016     Global Head of Research, Technology, Knowledge & Governance, DNV GL SE
2006 - 2013     Head of Fluid Dynamics, Germanischer Lloyd AG, Hamburg, Germany
2002 - 2006     Research Engineer and Deputy Head of Hydrodynamics, Germanischer Lloyd AG
2001 - 2002     Research Engineer, Hamburg Model Basin (HSVA), Hamburg, Germany
1997 - 2000     Research Associate at the Hamburg University of Technology, Hamburg, Germany

Awards

2001                Georg Weinblum-Award (for dissertation)
2005                Landrini Award for research activities)

Education

1990 – 1997     Graduate Engineer Degree (Dipl.-Ing.) in Naval Architecture & Ocean Engineering,
                           University of Hamburg
1997 - 1998      PhD in Computational Fluid Dynamics “Numerical Computation of Flow Induced
                           Forces Acting on Manoeuvring Ships” at the Hamburg University of Technology

Publications

Books / Book Chapters

el Moctar, O., Schellin, T.E., Söding, H. (2021)
Numerical Methods for Seakeeping Problems. Springer Nature (2021)
https://doi.org/10.1007/978-3-030-62561-0
ISBN 978-3-030-62560-3

el Moctar, O. Ley, J. (2016)
Computational Fluid and Structure Dynamics Methods to Assess Wave-Induced Loads and Hydroelasticity Effects
Book Chapter in Maritime Technology and Engineering III, ISBN 9781138030008 – CAT#K30346
​https://doi.org/10.1201/b21890-5

 

Journal Papers (peer reviewed)

2022

Youssef, M., el Moctar, O., el Sheshtawy, H., Tödter, S., Schellin, T. (2022)
Passive Flow Control of Vortex-Induced Vibrations of a Low Mass Ratio Circular Cylinder Oscillating in Two Degrees-of-Freedom
Ocean Engineering, accepted

Lyu, W., el Moctar, O., Schellin, T.E. (2022)
Ship Motion-Sloshing Interaction with Forward Speed in Oblique Waves
Ocean Engineering, vol. 250 (2022) 110999
https://doi.org/10.1016/j.oceaneng.2022.110999

Phan, T.H., Kadivar, E., Nguyen, V.T., el Moctar, O., Park, W.G. (2022)
Thermodynamic Effects on Single Cavitation Bubble Dynamics under Various Ambient Temperature Conditions
Phys. of Fluids, vol. 34, 023318
https://doi.org/10.1063/5.0076913

Zentari, L, el Moctar, O., Lassen, J., Hallmann, R., Schellin, T.E. (2022)
Experimental and Numerical Investigation of Shallow Water Effects on Resistance and Propulsion of Coupled Pusher-Barge Convoys
Applied Ocean Research, vol. 121, 103048
https://doi./org/10.1016/j.apor.2022.103048

El Sheshtawy, H., Youssef, M., el Moctar, O., Schellin, T.E. (2022)
Experimental and Numerical Investigation of Fluid-structure Interaction for a Submerged Oscillating Cylinder in a Lock-in Region
International Journal of Offshore and Polar Engineering, vol. 32 (01), pp.74-80
https://doi.org/10.17736/ijope.2022.ts24

 

2021

Riesner, M., el Moctar, O. (2021)
Assessment of Wave Induced Higher Order Resonant Vibrations of Ships at Forward Speed
Journal of Fluids and Structures, vol. 103, pp. 1-34
https://doi.org/10.1016/j.jfluidstructs.2021.103262

Riesner, M., el Moctar, O. (2021)
A Numerical Method to Compute Global Resonant Vibrations of Ships at Forward Speed in Oblique Waves
Applied Ocean Research, vol. 108
https://doi.org/10.1016/j.apor.2020.102520

Lyu, W., el Moctar, O., Schellin, T.E. (2021)
Ship Motion-Sloshing Interaction Using a Field Method
Marine Structures, vol. 76, 102923
https://doi.org/10.1016/j.marstruc.2020.102923

Kadivar, E., el Moctar, O., Skoda, R., Löschner, U. (2021)
Experimental Study of the Control of Cavitation-Induced Erosion Created by Collapse of Single Bubbles Using a Micro Structured Riblet Wear, vol. 486-487, 204087
https://doi.org/10.1016/j.wear.2021.204087

Kadivar, E., Phan, T.H., Park, W.G., el Moctar, O. (2021)
Dynamics of a Single Cavitation Bubble near a Cylindrical Rod
Physics of Fluids, vol. 33
https://doi.org/10.1063/50070847

Kadivar, E, Ochiai, T., Iga, Y, el Moctar, O. (2021)
An Experimental Investigation of Transient Cavitation Control on a Hydrofoil Using Hemispherical Vortex Generators
Journal of Hydrodynamics (IF: 2.59), vol. 33 (6), pp.1139-1147
https://doi.org/10.1007/s42241-021-0097-6

Ley, J., el Moctar, O. (2021)
A Comparative Study of Computational Methods for Wave-Induced Motions and Loads
Journal of Marine Science and Engineering Jg. 9 (2021), No. 1, S. 83 ISSN: 2077-1312
https://doi.org/10.3390/jmse9010083

Feng, S., Zhang, G., el Moctar, O., Sun, Z., Zhang, Z. (2021)
A Semi-Analytical Method to Simulate Hydroelastic Slamming of 2D Structural Sections by Coupling Wagner Theory with the Finite Element Method
Ocean Engineering 240, 109998
https://doi.org/10.1016/j.oceaneng.2021.109998

El Sheshtawy, H., Tödter, S., el Moctar, O., Neugebauer, J., Schellin, T.E. (2021)
Experimentally Investigated Vortex-Induced Vibration of a High Aspect Ratio and Small Mass Ratio Circular Cylinder Oscillating in Low Reduced Velocity Flows
Ocean Engineering, vol. 238, 109735
https://doi.org/10.1016/j.oceaneng.2021.109735

Thome, M., Neugebauer, J., el Moctar, O., Schellin, T.E. (2021)
Assessment of Methods for Calculating LNG Pump Tower Loads
Journal of Offshore Mechanics and Arctic Engineering, vol. 143, issue 6, 061402
https://doi.org/10.1115/1.4050964

Jiang, C., el Moctar, O., Schellin, T.E. (2021)
Mooring-Configurations Induced Decay Motions of a Buyo
Journal Mar. Sci. Eng., 9, 350
https://doi.org/10.3390/jmse9030350

Tödter, S., El Sheshtawy, H., Neugebauer; J., el Moctar, O., Schellin, T.E. (2021)
Deformation Measurement of a Monopile Subject to Vortex-Induced Vibration Using Digital Image Correlation
Ocean Engineering, vol. 221, 108548
https://doi.org/10.1016/j.oceaneng.2020.108548

El Sheshtawy, el Moctar, O. (2021)
Numerical Investigation of a Tidal Stream Turbine Using the Multiple Reference Frame and the Actuator Disk Momentum Methods
Journal of Advanced Marine Engineering and Technology. vol. 45, No. 5, pp. 275~287
https://e-jamet.org/xml/31097/31097.pdf

Feng, Y., el Moctar, O., Schellin, T.E. (2021)
Parametric Hull Form Optimization of Containerships for Minimum Resistance in Calm Water and in Waves
Journal of Marine Science and Application, vol. 1-24
https://doi.org/10.1007/s11804-021-00243-w

 

2020

Peters, A., el Moctar, O. (2020)
Numerical Assessment of Cavitation-Induced Erosion Using a Multi-Scale Euler-Lagrange Method
Journal of Fluid Mechanics, vol. 89
https://doi.org/101017/jfm.2020.273

Sagar, H., el Moctar, O. (2020)
Dynamics of a Cavitation Bubble near a Solid Surface and the Induced Damage
Journal of Fluids and Structures, vol. 92
https://doi.org/10.1016/j.jfluidstructs.2019.102799

Kadivar, E., Timoshevskiy, M.V., Nichik, M.Y., el Moctar, O., Schellin, T.E., Pervunin, K.S. (2020)
Control of Unsteady Partial and Cloud Cavitations in Marine Engineering and Hydraulic Systems
Physics of Fluids, vol. 32, issue 5
https://doi.org/10.1063/5.0006560

Kadivar, E., Timoshevskiy, M.V., Pervunin, K.S., el Moctar, O. (2020)
Cavitation Control Using Cylindrical Cavitating-Bubble Generators (CCGs): Experiments on a Benchmark CAV2003 Hydrofoil
International Journal of Multiphase Flow, vol. 125
https://doi.org/10.1016/j.ijmultiphaseflow.2019.103186

Zhang, W., el Moctar, O., Schellin, T.E. (2020)
Numerical Study on Wave-Induced Motions and Steady Wave Drift Forces for Ships in Oblique Waves
Ocean Engineering, vol. 196
https://doi.org/10.1016/j.oceaneng.2019.106806

Tödter, S., el Moctar, O., Neugebauer, J., Schellin, T.E. (2020)
Experimentally Measured Hydroelastic Effects on Impact-Induced Loads during Flat Water Entry and Related Uncertainties
Journal of Offshore Mechanics and Arctic Engineering, vol. 142(1), pp. 011604,
https://doi.org/10.1115/1.4044632

Jiang, C., el Moctar, O, Paredes, G.M., Schellin, T.E. (2020)
Validation of a Dynamic Mooring Model Coupled with a RANS Solver
Marine Structures, 72, 102783
https://doi.org/10.1016/j.marstruc.2020.102783

Jiang, C., el Moctar, O., Schellin, T.E., Paredes, G.M. (2020)
Comparative Study of Mathematical Models for Mooring Systems Coupled with CFD, Ships and Offshore Structures
https://doi.org/10.1080/17445302.2020.1790294

Zhang, W., el Moctar, O., Schellin, T.E. (2020)
Numerical Simulations of a Ship Obliquely Advancing in Calm Water and in Regular Waves
Applied Ocean Research, vol. 103
https://doi.org/10.1016/j.apor.2020.102330

Burmester, S., Vaz, G., el Moctar, O. (2020)
Towards Credible CFD Simulations for Floating Offshore Wind Turbines
Ocean Engineering, vol. 209
https://doi.org/10.1016/j.oceaneng.2020.107237

Zhang, G., Wu, J., Sun, Z., el Moctar, O., Zong, Z. (2020)
Numerically Simulated Flooding of a Freely-Floating Two-Dimensional Damaged Ship Section Using an Improved MPS Method
Applied Ocean Research, vol. 101
https://doi.org/10.1016/j.apor.2020.102207

Burmester, S., Vaz, G., Gueydon, S., el Moctar, O. (2020)
Investigation of a Semi-Submersible Floating Wind Turbine in Surge Decay Using CFD
Ship Technology Research, vol. 67/1, pp. 2-14
https://doi.org/10.1080/09377255.2018.1555987

Feng, Y., el Moctar, O., Schellin, T.E. (2020)
Hydrodynamic Optimisation of a Multi-Purpose Wind Offshore Supply Vessel
Ship Technology Research vol. 67/2, pp. 69-83
https://doi.org/10.1080/09377255.2019.1602976

 

2019

Riesner, M., Chillcce, G., el Moctar, O. (2019)
Rankine Source Time Domain Method for Nonlinear Ship Motions in Steep Oblique Waves
Ships and Offshore Structures, vo. 14, no. 3, pp. 295-308
https://doi.org/10.1080/17445302.2018.1498568

Lyu, W., Riesner, M., Peters, A., el Moctar, O. (2019)
A Hybrid Method for Ship Response Coupled with Sloshing in Partially Filled Tanks
Marine Structures, 67(2019)102643
https://doi.org/10.1016/j.marstruc.2019.102643

Kadivar, E., el Moctar, O., Javadi, Kh. (2019)
Stabilization of Cloud Cavitation Instabilities Using Cylindrical Cavitating-bubble Generators (CCGs)
International Journal of Multiphase Flow, vol. 115, pp. 108-125
https://doi.org/10.1016/j.ijmultiphaseflow.2019.03.019

Kadivar, E., Timoshevskiy, M.V., Pervunin, K.S., el Moctar, O. (2019)
Experimental and Numerical Study of the Cavitation Surge Passive Control around a Semi-Circular Leading-Edge Flat Plate
Journal of Marine Science and Technology (IF: 1.84), vol. 25
https://doi.org/10.1007/s00773-019-00697-2

Kadivar, E., Timoshevskiy, M.V., Pervunin, K.S., el Moctar, O. (2019)
Experimental Investigation of the Passive Control of Unsteady Cloud Cavitation Using Miniature Vortex Generators (MVGs)
Journal of IOP Conf. Series: Earth and Environmental Science
https://doi.org/10.1088/1755-1315/405/1/012002

Feng, Y., el Moctar, O., Schellin, T.E. (2019)
Hydrodynamic Optimization of a Multi-Purpose Wind Offshore Supply Vessel
Ship Technology Research
https://doi.org/10.1080/09377255.2019.1602976

Zhang, W., el Moctar, O. (2019)
Numerical Prediction of Wave Added Resistance Using a Rankine Panel Method
Ocean Engineering, vol. 178, pp. 66-79
https://doi.org/10.1016/j.oceaneng.2019.02.055

 

2018

Burmester, S., Vaz, G., Gueydon, S., el Moctar, O. (2018)
Investigation of a Semi-Submersible Floating Wind Turbine in Surge Decay Using CFD
Ship Technology Research
https://doi.org/10.1080/09377255.2018.1555987

Chillcce, G., el Moctar, O. (2018)
A Numerical Method for Manoeuvring Simulation in Regular Waves
Ocean Engineering, vol. 170, pp. 434-444
https://doi.org/10.1016/j.oceaneng.2018.09.047

Mucha, P., el Moctar, O., Dettmann, T., Ferrari, V. (2018)
Experimental Investigation of Free-Running Ship Manoeuvers Under Extreme Shallow Water Conditions
Applied Ocean Research, vol. 83, pp. 155-162
https://doi.org/10.1016/j.apor.2018.09.008

Peters, A., Lantermann, U., el Moctar, O. (2018)
Numerical Prediction of Cavitation Erosion on a Ship Propeller in Model- and Full-Scale
Wear, vol. 408–409, pp. 1-12, ISSN 0043-1648
https://doi.org/10.1016/j.wear.2018.04.012

Kadivar, E., el Moctar, O., Javadi, K. (2018)
Investigation of the Effect of Cavitation Passive Control on the Dynamics of Unsteady Cloud Cavitation
Journal of Applied Mathematical Modelling, vol. 64, pp. 333-356
https://doi.org/10.1016/j.apm.2018.07.015

Kadivar, E., el Moctar, O. (2018)
Boundary Layer Instability Control in the Unsteady Cloud Cavitating Flow
Journal of IOP Conference Series Earth and Environmental Science, vol. 240, issue 6
https://iopscience.iop.org/article/10.1088/1755-1315/240/6/062061

Riesner, M., Chillcce, G., el Moctar, O., Schellin, T.E. (2018)
Rankine Source Time Domain Method for Nonlinear Ship Motions in Steep Oblique Waves
Ship and Offshore Structures, vol. 14, issue 3, pp. 295-308
https://doi.org/10.1080/17445302.2018.1498568

Riesner, M., el Moctar, O. (2018)
A Time Domain Boundary Element Method for Wave Added Resistance of Ships Taking into Account Viscous Effects
Ocean Engineering, vol. 162, pp. 290-303
https://doi.org/10.1016/j.oceaneng.2018.05.010

Sigmund, S., el Moctar, O. (2018)
Numerical and Experimental Investigation of Propulsion in Waves
Ocean Engineering, vol. 144, 659–673, pp. 35-49
https://doi.org/10.1016/j.oceaneng.2017.08.016

Sigmund, S., el Moctar, O. (2018)
Numerical and Experimental Investigation of Added Resistance of Different Ship Types in Short and Long Waves
Ocean Engineering, vol. 147, pp. 51-67
https://doi.org/10.1016/j.oceaneng.2017.10.010

Shigunov, V., el Moctar, O., Papanikolaou, A., Potthoff, R., Liu, S. (2018
International Benchmark Study on Numerical Simulation Methods for Prediction of Manoeuvrability of Ships in Waves
Ocean Engineering, vol. 165, pp. 365-385
https://doi.org/10.1016/j.oceaneng.2018.07.031

Sagar, H., Hanke, S., Underberg, M., Feng, C., el Moctar, O., Kaiser, S. (2018)
Experimental and Numerical Investigation of Damage on an Aluminum Surface by Single-Bubble Cavitation
J. Materials Performance and Characterization, vol. 7, issue 5, pp. 985-1003
https://doi.org/10.1520/MPC20180038

Sagar, H., el Moctar, O. (2018)
Numerical Simulation of a Laser-Induced Cavitation Bubble Near a Solid Boundary Considering Phase Change
Ship Technology Research, vol. 65/3, pp. 163-179
https://doi.org/1080/09377255.2018.1473235

Ghesmi, M., von Graefe, A., Shigunov, V., Friedhoff, B., el Moctar, O. (2018)
Comparison and Validation of Numerical Methods to Assess Hydrodynamic Loads on Mechanical Coupling of Multiple Bodies
Ship Technology Research, vol. 66/1, pp. 9-21
https://doi.org/10.1080/09377255.2018.1482100

Neugebauer, J., Liu, S., Potthoff, R., el Moctar, O. (2018)
Investigation of the Motion Accuracy Influence on Sloshing Model Test Results
International Journal of Offshore and Polar Engineering, Vol. 28 No. 4, pp. 342-349
https://doi.org/10.17736/ijope.2018.jc719

 

2017

el Moctar, O., Ley, J., Oberhagemann, J., Schellin, T.E. (2017)
Nonlinear Computational Methods for Hydroelastic Effects of Ships in Extreme Seas
Ocean Engineering, vol. 130, pp. 659–673
https://doi.org/10.1016/j.oceaneng.2016.11.037

Lyu, W., el Moctar, O. (2017)
Numerical and Experimental Investigations of Wave-Induced Second Order Hydrodynamic Loads
Ocean Engineering, vol. 131, pp. 197–212
https://doi.org/10.1016/j.oceaneng.2016.11.047

Lyu, W., el Moctar, O., Potthoff, R., Neugebauer, J. (2017)
Experimental and Numerical Investigation of Sloshing Using Different Free Surface Capturing Methods
Applied Ocean Research, vol. 68, pp. 307-324
https://doi.org/10.1016/j.apor.2017.09.008

Mucha, P., el Moctar, O., Dettmann, T., Tenzer, M. (2017)
Inland Waterway Ship Test Case for Resistance and Propulsion Prediction in Shallow Water
Ship Technology Research, vol. 64, pp. 106-113
https://doi.org/10.1080/09377255.2017.1349723

 

2016

Papanikolaou, A., Zaraphonitis, G., Bittner-Gregersen, E., Shigunov, V., el Moctar, O., Guedes Soares, C., Reddy, D.N., Sprenger, F. (2016)
Energy Efficient Safe Ship Operation (SHOPERA)
Transportation Research Procedia. Vol. 14, 2016, pp. 820-829
https://doi.org/10.1016/j.trpro.2016.05.030

el Moctar, O., Sigmund, S., Ley, J., Schellin, T.E. (2016)
Numerical and Experimental Analysis of Added Resistance of Ships in Waves
Journal of Offshore Mechanics and Arctic Engineering, 2016
https://doi.org/10.1115/1.4034205

Riesner, M., von Graefe, A., Shigunov, V., el Moctar, O. (2016)
Prediction of Non-linear Ship Responses in Waves Considering Forward Speed Effects
Ship Technology Research, vol. 63/3, pp. 135-145
https://doi.org/10.1080/09377255.2016.1221607

 

2015

Peters, A., Lantermann, U., el Moctar, O. (2015)
Numerical Modelling and Prediction of Erosion- Induced by Hydrodynamic Cavitation
Journal of Physics, conference series, vol. 656/1, id. 012054
https://doi.org/10.1088/1742-6596/656/1/012054

Peters, A., Sagar, H., Lantermann, U., el Moctar, O. (2015)
Numerical Modelling and Prediction of Cavitation Erosion
Wear, 338-339, 189-201
https://doi.org/.10.1016/j.wear.2015.06.009

Shigunov, V., Graefe, A., el Moctar, O. (2015)
Calculation of Horizontal Sectional Loads and Torsional Moment
ASME J. of Offshore Mechanics and Arctic Engineering, vol. 137(2), 021603
https://doi.org/10.1115/1.4029483

Graefe, A., Shigunov, V., el Moctar, O. (2015)
Rankine Source Method for Ship-Ship Interaction Problems
J. of Offshore Mechanics and Arctic Engineering, vol. 137 (2), 021601-1,

Tenzer, M., el Moctar, O., Schellin, T.E. (2015)
Experimental Investigation of Impact Loads during Water Entry
Ship Technology Research. vol. 62/1, pp. 47-59
https://doi.org/10.1179/0937725515Z.0000000003

Mucha, P., el Moctar, O. (2015)
Revisiting Mathematical Models for Manoeuvring Prediction Based on Modified Taylor-series Expansions
Ship Technology Research. vol. 62/1, pp. 81-96
https://doi.org/10.1179/0937725515Z.00000000015

 

2014

Graefe A., el Moctar, O., Oberhagemann J., Shigunov, V. (2014)
Linear and Nonlinear Sectional Loads with Potential and Field Methods
ASME J. ofOffshore Mechanics and Arctic Engineering vol. 136 (3), 031602
https://doi.org/10.1115/1.4026885

el Moctar, O., Lantermann, U., Mucha, P., Höpken, J., Schellin, T.E. (2014)
RANS-Based Simulated Ship Maneuvering Accounting for Hull-Propulsor-Engine Interaction
Ship Technology Research, vol. 61/3, pp. 142-161
https://doi.org/10.1179/str.2014.61.3.003

Söding, H., Shigunov, V., Schellin, T.E., el Moctar, O. (2014)
A Ranking Panel Method for Added Resistance of Ships in Waves
ASME J. Offshore Mechanics and Arctic Engineering. 136(3), 031601
https://doi.org/10.1115/1.4026847

 

2013

Shigunov, V., Rathje, H., el Moctar, O. (2013)
Towards Safer Container Shipping
Ship Technology Research, vol. 60/1, pp. 34-40
https://doi.org/10.1179/str.2013.60.1.003

 

2012

el Moctar, O., Shigunov, V., Zorn, T.
Duisburg Test Case: Post-Panamax Container Ship for Benchmarking (2012)
Ship Technology Research, vol. 59/3, pp. 50-64
https://doi.org/10.1179/str.2012.59.3.004

Oberhagemann, J., Shigunov, V., el Moctar, O. (2012)
Application of CFD in Long-Term Extreme Value Analyses of Wave Loads*
Ship Technology Research, vol. 59/3, pp. 4–22
https://doi.org/10.1179/str.2012.59.3.001

Oberhagemann, J., el Moctar, O. (2012)
Numerical and Experimental Investigations of Whipping and Springing of Ship Structures
International J. of Offshore and Polar Engineering, vol. 22/2, pp. 108–114
https://www.onepetro.org/journal-paper/ISOPE-12-22-2-108

Shigunov; V., el Moctar, O., Schellin, T.E., Kaufmann, J., Stute, R. (2012)
Assessing the Dynamic Stability of an Offshore Supply Vessel
ASME J. Offshore Mechanics and Arctic Engineering, vol. 134(4), 041302
https://doi.org/10.1115/1.4006392

 

2011

el Moctar, O., Oberhagemann, J., Schellin, T.E. (2011)
Free-Surface RANS for Hull Girder Whipping and Springing
Transactions of the Society of Naval Architects & Marine Engineers, vol. 119, pp. 48-66
Schellin, T.E., Peric, M., el Moctar, O. (2011)
Wave-in-Deck Load Analysis for a Jack-Up Platform
ASME J. Offshore Mechanics and Arctic Engineering, 133(2), 021303
https://doi.org/10.1115/1.4002047

 

2010

el Moctar, O., Povel, D., Shigunov, V., Tide, A. (2010)
Fire Investigation in a Container
Ship Technology Research, vol. 57/1, pp. 40–55
https://doi.org/10.1179/str.2010.57.1.004

Shigunov, V., el Moctar, O., Rathje, H. (2010)
Operational Guidance for Prevention of Cargo Loss and Damage on Container Ships
Ship Technology Research, vol. 57/1, pp. 8 – 25
https://doi.org/10.1179/str.2010.57.1.002

 

2009

Oberhagemann, J., Holtmann, M, el Moctar, O., Schellin, T.E, Kim, D. (2009)
Stern Slamming of an LNG Carrier
ASME J. of Offshore Mechanics and Arctic Engineering, vol. 131 (3), 031103
https://doi.org/10.1115/1.3124131

el Moctar, O., Schellin, T.E., Jahnke, T., Peric, M. (2009)
Wave Load and Structural Analysis for a Jack-Up Platform in Freak Waves
ASME J. of Offshore Mechanics and Arctic Eng., vol. 131(2):021602-021602-9
https://doi.org/10.1115/1.2948952

Peric, M., Zorn, T., el Moctar, O., Schellin, T.E., Kim, Y-S. (2009)
Simulation of Sloshing in LNG Tanks
ASME J. of Offshore Mechanics and Arctic Eng., vol. 131(3):031101
https://doi.org/10.1115/1.3058688

 

2006

Schellin, T.E., el Moctar, O. (2006)
Numerical Prediction of Impact-Related Wave Loads on Ships
ASME J. of Offshore Mechanics and Arctic Eng., vol. 129(1), 39-47
https://doi.org/10.1115/1.2429695

 

2004

el Moctar, O., Junglewitz, A. (2004)
Numerical Analysis of the Steering Capability of a Podded Drive
Ship Technology Research, vol. 51/3, pp. 134-145
https://doi.org/10.1179/str.2004.51.3.005

 

2001

el Moctar, O. (2001)
Numerical Computations of Flow Forces in Ship Manoeuvring
Ship Technology Research Journal, 09/2001, vol. 48, pp. 98-123
https://taylorandfrancis.com

 

Conference Papers (peer reviewed)

2021

Lin, Y., Kadivar, E., Tödter, S., Neugebauer, J., el Moctar, O. (2021)
Experimental Investigations of Non-Cavitating and Unsteady Cavitating Flows around Rigid and Flexible Hydrofoils
11th International Symposium on Cavitation (CAV), 10-13 May 2021, Daejeon, Korea

El Sheshtawy, H., Youssef, M., Tödter, S., Neugebauer, J., el Moctar, O., Schellin, T.E. (2021)
Experimental and Numerical Investigation of Vortex-Induced Vibration for a Fully Submerged Oscillating Circular Cylinder in a Circulating Water Channel
Proceedings of the 31st International Ocean and Polar Engineering Conference, Rhodes, Greece, Paper No. ISOPE-I-21-3222

 

2020

Jiang, C., el Moctar, O., Schellin, T.E., Qi, Y. (2020)
Numerical Investigation of Hydroelastic Effects on Floating Structures
Proceedings of the World Conference on Floating Solutions (WCFS2020)
Springer, The Netherlands

Jiang, C., Chiba, S., Waki, M., Fujita, K., el Moctar, O. (2020)
Investigation of a Novel Wave Energy Generator Using Dielectric Elastomer
Proceedings of the 39th ASME International Conference on Ocean Offshore and Arctic Engineering (Virtual Conference), American Society of Mechanical Engineers, OMAE2020-18106
https://doi.org/10.1115/OMAE2020-18106

Jiang, C., el Moctar, O., Schellin, T.E. & Paredes, G.M. (2020)
Motion Decay Simulations of a Moored Wave Energy Converter
Proceedings of the 39th International Conference on Offshore Mechanics and Arctic Engineering (Virtual Conference), American Society of Mechanical Engineers, OMAE2020-18424
https://doi.org/10.1115/OMAE2020-18424

Peters, A., Lantermann, U., el Moctar, O. (2020)
Multi-Scale Euler-Lagrange Cavitation Modelling and Prediction of Cavitation Erosion
Proceedings of the 33rd Symposium on Naval Hydrodynamics, Osaka, Japan
https://33snh-naoe.eng.osaka-u.ac.jp/program/technicalprogram.html

Burmester, S., Vaz, G., el Moctar, O., Gueydon, S., Koop, A., Wang, Y., Chen, HC (2020)
High-Fidelity Modelling of Floating Offshore Wind Turbine Platforms
Proceedings of the 39th ASME International Conference on Ocean, Offshore and Arctic Engineering (Virtual Conference), American Society of Mechanical Engineers, OMAE2020-18913
https://doi.org/10.1115/OMAE2020-18913

Youssef, M., Tödter, S., Neugebauer, J., el Moctar, O., Schellin, T.E. (2020)
Experimental Investigation of the Tip Vortex Influence on VIV of a Circular Cylinder at High Reynolds Numbers
Proceedings of the 39th International Conference on Offshore Mechanics and Arctic Engineering (Virtual Conference), American Society of Mechanical Engineers, OMAE2020-19133
https://doi.org/10.1115/OMAE2020-19133

Feng, Y., el Moctar, O., Schellin, T.E. (2020)
Hydrodynamic Optimization of a Containership
Proceedings of the 39th International Conference on Offshore Mechanics and Arctic Engineering (Virtual Conference), American Society of Mechanical Engineers, OMAE2020-18616
https://doi.org/10.1115/OMAE2020-18616

 

2019

Chillcce, G., Martic, I., Tello Ruiz, M., Ramirez, J., Degiuli, N., el Moctar, O. (2019)
RANS Evaluation of the DTC’s Vertical Motion Sailing in Finite Water Depth Waves
5th International Conference on Ship Manoeuvring in Shallow and Confined Water with Non-Exclusive Focus on Manoeuvring in Waves, Wind and Current (MASHCON), Ostend, Belgium
Conference proceedings, 2019, pp. 61-71
http://hdl.handle.net/1854/LU-8624679

Martic, I., Chillcce, G., Tello Ruiz, M., Ramirez, J., Degiuli, N., el Moctar, O. (2019)
Numerical Assessment of Added Resistance in Waves of the DTC Container Ship in Finite Water Depths
5th International Conference on Ship Manoeuvring in Shallow and Confined Water with Non-Exclusive Focus on Manoeuvring in Waves, Wind and Current (MASHCON), Ostend, Belgium
Conference proceedings, 2019, pp. 273-283
http://hdl.handle.net/1854/LU-8624677

el Moctar, O., Schellin, T.E., Neugebauer, J. (2019)
Wind and Current Loads on Barges and Ships
Proceedings of the 38th ASME International Conference on Ocean, Offshore and Arctic Engineering, American Society of Mechanical Engineers, Glasgow, Scotland, OMAE2019-95716
https://doi.org/10.1115/OMAE2019-95716

El Sheshtawy, H., el Moctar, O., Schellin, T.E., Natarajan, S. (2019)
Numerical Investigation of an Optimised Horizontal Axis Tidal Stream Turbine
Proceedings of the 38th ASME International Conference on Ocean, Offshore and Arctic Engineering, American Society of Mechanical Engineers, Glasgow, Scotland, OMAE2019-95722
https://doi.org/10.1115/OMAE2019-95722

Jiang, C., el Moctar, O., Schellin, T.E. (2019)
Prediction of Hydrodynamic Damping of Moored Offshore Structures Using CFD
Proceedings of the 38th ASME International Conference on Ocean, Offshore and Arctic Engineering, American Society of Mechanical Engineers, Glasgow, Scotland, OMAE2019-95935
https://doi.org/10.1115/OMAE2019-95935

Thome, M., Neugebauer, J., el Moctar, O. (2019)
Assessment of LNG Pump Tower Loads
Proceedings of the 38th ASME International Conference on Ocean, Offshore and Arctic Engineering, American Society of Mechanical Engineers, Glasgow, Scotland, OMAE2019-96138
https://doi.org/10.1115/OMAE2019-96138

Zhang, W., el Moctar, O. (2019)
Numerical Study on Steady Wave Drift Forces of an Obliquely Moving Ship
Proceedings of the 11th International Workshop on Ship and Marine Hydrodynamics IWSH2019, Hamburg, Germany, Paper 20

Tödter, S., El Sheshtawy, H., Neugebauer, J., el Moctar, O. (2019)
Deformation Measurement of a Pipe Subjected to Vortex-Induced Vibration Using Digital Image Correlation
6th International Conference on Advanced Model Measurement Technology for the Maritime Industry, Rome, Italy
https://www.amt19.com/conference-programme

Tödter, S., El Sheshtawy, H., Neugebauer, J., el Moctar, O. (2019)
Experimental Investigation of Vortex-Induced Vibrations Using 3D-Accelerometry and Digital Image Correlation
Proceedings of the 11th International Workshop on Ship and Marine Hydrodynamics IWSH2019, Hamburg, Germany, Paper76
https://iwsh2019.fds.tu-harburg.de/conftool/papers/proceedings.html

Seithe, G., el Moctar, O. (2019)
Wave-Induced Motions of Moored and Coupled Multibody Offshore Structures
Proceedings of the 11th International Workshop on Ship and Marine Hydrodynamics IWSH2019, Hamburg, Germany, Paper 85

Kadivar, E., Timoshevskiy, M.V., Pervunin, K.S., el Moctar, O. (2019)
Experimental Investigation of the Passive Control of Unsteady Cloud Cavitation Using Miniature Vortex Generators (MVGs)
IAHR International Workshop on Cavitation and Dynamic Problems in Hydraulic Machinery, Stuttgart, Germany

 

2018

Tödter, S., el Moctar, O., Neugebauer, J., Schellin, T.E. (2018)
Experimental Investigations of Hydroelastic Effects on Loads during Flat Water Entry
Proceedings of the 37th ASME International Conference on Ocean, Offshore and Arctic Engineering, American Society of Mechanical Engineers, Madrid, Spain, OMAE2018-78692
https://doi.org/10.1115/OMAE2018-78692

Peters, A., Lantermann, U., el Moctar, O. (2018)
Simulation of an Internal Nozzle Flow Using an Euler-Lagrange Method
Proceedings of the 10th International Symposium on Cavitation (CAV2018), Baltimore, USA, https://doi.org/10.1115/1.861851_ch176

Reuter, F., Sagar, H., el Moctar, O., Mettin, R. (2018)
Wall Shear Rates Induced by a Single Cavitation Bubble Collapse
Proceedings of the 10th International Symposium on Cavitation (CAV2018), Baltimore, USA
https://doi.org/10.1115/1.861851_ch208

Kadivar, E., el Moctar, O. (2018)
Investigation of Cloud Cavitation Passive Control for Hydrofoils Using Cavitating-bubble Generators (CGs)
Proceedings of the 10th International Symposium on Cavitation (CAV2018), Baltimore, USA
https://doi.org/10.1115/1.861851_ch116

Kadivar, E., el Moctar, O. (2018)
Boundary Layer Instability Control in the Unsteady Cloud Cavitating Flow
29th IAHR Symposium on Hydraulic Machinery and Systems, Kyoto, Japan
https://iopscience.iop.org/article/10.1088/1755-1315/240/6/062061/meta

Kadivar, E., el Moctar, O. (2018)
Boundary Layer Instability Control in the Unsteady Partial Cavitation Regime Using Cavitating-bubble Generators (CGs)
Workshop on Cavitation Exploitation, Ljubljana, Slovenia

el Moctar, O., Tödter, S., Neugebauer, J., Schellin, T.E. (2018)
Investigation of Hydroelasticity and Air Compressibility on Impact Loads
Proceedings of the 8tInternational Conference on HYDROELASTICITY in Marine Technology, Seoul, Korea

Sigmund, S. el Moctar, O., Schellin, T.E. (2018)
RANS Predicted Propulsion Characteristics of a Twin Screw Cruise Ship in Regular Head Waves
Proceedings of the 32nd Symposium on Naval Hydrodynamics, Hamburg, Germany

Riesner, M., el Moctar, O., Schellin, T.E. (2018)
Design Related Speed Loss and Fuel Consumption of Ships in Seaways
Progress in Maritime Technology and Engineering (MARTECH 2018)
CRC Press – Taylor & Francis Group, London, ISBN 978-1-138-58539-3, pp. 147-155
https://doi.org/10.1201/9780429505294

 

2017

Neugebauer, J., Liu, S., Potthoff, R., el Moctar, O. (2017)
Investigation of the Motion Accuracy Influence on Sloshing Model Test Results
27th International Ocean and Polar Engineering Conference, San Francisco/ USA
Paper ISOPE-I-17-482 (best paper award)
https://doi.org/10.17736/ijope.2018.jc719

 

2016

Neugebauer, J., Potthoff, R., el Moctar, O. (2016)
Investigation of Liquid Resonance in a 3D LNG Tank Model by Means of Impact Pressure and Free Surface Elevation
Proceedings Society of Offshore and Polar Engineers, Rhodes, Greece, Paper No. ISOPE-I-16-512, pp. 988-995, ISBN: 978-1-880653-88-3

el Moctar, O., Sprenger, F., Schellin, T.E., Papanikolaou, A. (2016)
Numerical and Experimental Investigations of Ship Maneuvers in Waves
Proceedings of the 35th ASME International Conference on Ocean, Offshore and Arctic Engineering, American Society of Mechanical Engineers, Busan, Korea, OMAE2016-54847
https://doi.org/10.1115/OMAE2016-54847

Sigmund, S., el Moctar, O. (2016)
Numerical Prediction of the Propulsion Characteristics of Ships in Waves
Proceedings of the 35th ASME International Conference on Ocean, Offshore and Arctic Engineering, American Society of Mechanical Engineers, Busan, Korea, OMAE2016- 54793
https://doi.org/10.1115/OMAE2016-54793

Mucha, P., Deng, G., Gourlay, T., el Moctar, O. (2016)
Validation Studies on Numerical Prediction of Ship Squat and Resistance in Shallow Water
Proceedings of the 4th International Conference on Ship Manoeuvring in Shallow and Confined Water with Special Focus on Ship Bottom Interaction, Hamburg, Germany
https://doi.org/10.18451/978-3-939230-38-0_16

 

2015

Sagar, H., Ley J., el Moctar, O. (2015)
Hydroelasticity Effects of Wave-Induced Loads on Offshore Monopile Structures
Proceedings of the 7th International Conference on Hydroelasticity in Marine Technology, Split, Croatia, pp. 83-102, ISBN: 978-953-95746-2-6

Piehl, H., el Moctar, O. (2015)
Development of a Mathematical Roll Damping Model with Polynomial Regression Analysis
Proceedings of the 34th ASME International Conference on Ocean, Offshore and Arctic Engineering, American Society of Mechanical Engineers, St. John's, NL, Canada, OMAE2015-41642
https://doi.org/10.1115/OMAE2015-41642

el Moctar, O., Sigmund, S., Schellin, T.E. (2015)
Numerical and Experimental Analysis of Added Resistance of Ships in Waves
Proceedings of the 34th ASME International Conference on Ocean, Offshore and Arctic Engineering, American Society of Mechanical Engineers, St. John's, NL, Canada, OMAE2015-42403
https://doi.org/10.1115/OMAE2015-42403

Peters, A., Lantermann, U., el Moctar, O. (2015)
Numerical Modelling and Prediction of Erosion Induced by Hydrodynamic Cavitation
Proceedings of the 9th International Symposium on Cavitation, Lausanne, Switzerland
https://doi.org/10.1088/1742-6596/656/1/012054

Papanikolaou, A., Zaraphonitis, G., Bitner-Gregersen, E., Shigunov, V., el Moctar, O., (2015)
Guedes Soares, C., Reddy, D.N., Sprenger, F.
Energy Efficient Safe Ship Operation
Proceedings of the SNAME World Maritime Conference, Providence, USA

 

2014

Papanikolaou, A., Zaraphonitis, G., Bittner-Gregersen, E., Shigunov, V., el Moctar, O., Guedes
Soares, C., Reddy, D.N., Sprenger, F. (2014)
Energy Efficient Safe Ship Operation (SHOPERA)
Proceedings of the Royal Institution of Naval Architects – Influence of EEDI on Ship Design

Ley, J., el Moctar, O., Oberhagemann, J., Schellin, T.E. (2014)
Assessment of Loads and Structural Integrity of Ships in Extreme Seas
Proceedings of the 30th Symposium on Naval Hydrodynamics, Hobart, Tasmania, Australia
Brandner, P. A.; Pearce, B. W.; Kim, K.-H. (publisher)

Shigunov, V., Graefe, A., el Moctar, O. (2014)
Calculation of Horizontal Sectional Loads and Torsional Moment
Proceedings of the 33rd ASME International Conference on Ocean, Offshore and Arctic Engineering, American Society of Mechanical Engineers, San Francisco, USA, OMAE2014-23487
Also: published as revised paper in ASME J. Offshore Mechanics & Arctic Eng., vol. 137(2), 021603
https://doi.org/10.13140/2.1.2438.3368

Peters, A., Sagar, H., Lantermann, U., el Moctar, O. (2014)
A New Approach for a Cavitation Erosion Model on Hydrofoils
International Conference on Computational Fluid Dynamics 8 (ICCFD8), Chengdu, China

Ley, J., el Moctar, O. (2014)
An Enhanced 1-Way Coupling Method to Predict Elastic Global Hull Girder Loads
Proceedings of the 33rd ASME International Conference on Ocean, Offshore and Arctic Engineering, American Society of Mechanical Engineers, San Francisco, U.S.A, OMAE2014-24199
https://doi.org/10.1115/OMAE2014-24199

Piehl, H., el Moctar, O. (2014)
Bilge Keel Forces and Vortex Shedding – A Numerical Analysis with Open FOAM
Proceedings of the 33rd ASME International Conference on Ocean, Offshore and Arctic Engineering, American Society of Mechanical Engineers, San Francisco, USA, OMAE2014-24079
https://doi.org/10.1115/OMAE2014-24079

Neugebauer, J., el Moctar, O., Potthoff, R. (2014)
Experimental and Numerical Investigation of Single Impacts in a 2D Tank
Proceedings of the 24th International Offshore and Polar Engineering Conference, Busan, Korea, Paper No. ISOPE-I-14-464

Ley, J., Sigmund S., el Moctar, O. (2014)
Numerical Prediction of the Added Resistance of Ships in Waves
Proceedings of the 33rd ASME International Conference on Ocean, Offshore and Arctic Engineering, American Society of Mechanical Engineers, San Francisco, USA, OMAE2014-24216
https://doi.org/10.1115/1.4034205

 

2013

Graefe, A., Oberhagemann J., Shigunov, V., el Moctar, O. (2013)
Linear and Nonlinear Sectional Loads with Potential and Field Methods
Proceedings of the 32nd ASME International Conference on Ocean Offshore and Arctic Engineering, American Society of Mechanical Engineers, Nantes, France, OMAE2013-10544
Also: published as revised paper in ASME J. Offshore Mechanics & Arctic Eng., vol. 136(3); 031602
https://doi.org/10.1115/OMAE2013-10544

Oberhagemann J., Shigunov V., el Moctar, O. (2013)
First Order Reliability Analogies of Nonlinear Bending Moments in Ships
Proceedings of the 32nd ASME International Conference on Ocean, Offshore and Arctic Engineering, American Society of Mechanical Engineers, Nantes, France, OMAE2013-10547
https://doi.org/10.1115/OMAE2013-10547

Graefe, A., Shigunov, V., el Moctar, O. (2013)
Rankine Source Method for Ship-Ship Interaction Problems
Proceedings of the 32nd ASME International Conference on Ocean, Offshore and Arctic Engineering, American Society of Mechanical Engineers, Nantes, France, OMAE2013-10810
Also: published as revised paper in ASME J. Offshore Mechanics & Arctic Eng., vol. 137 (2), 021601-1
https://doi.org/10.1115/OMAE2013-10810

Piehl, H., el Moctar, O. (2013)
Roll Decay Model Test of a Post Panamax Container Ship Experimental and Numerical Analysis
Proceedings of the 32nd ASME International Conference on Ocean, Offshore and Arctic Engineering, American Society of Mechanical Engineers, Nantes, France, OMAE2013-11065
https://doi.org/10.1115/OMAE2013-11065

Mucha, P., el Moctar, O. (2013)
Ship-Bank Interaction of a Large Tanker and Related Control Problems
Proceedings of the 32nd ASME International Conference on Ocean, Offshore and Arctic Engineering, American Society of Mechanical Engineers, Nantes, France, OMAE2013-11099
https://doi.org/10.1115/OMAE2013-11099

 

2012

Oberhagemann, J., Ley, J., Shigunov, V., el Moctar, O. (2012)
Efficient Approaches for Ship Response Statistics Using RANS
Proceedings of the International Symposium of Offshore and Polar Engineering, Rhodes, Greece, pp. 1133-1140
https://doi.org/10.13140/2.1.4689.0884

Söding, H., Shigunov, V., Schellin T.E., el Moctar, O. (2012)
A Rankine Panel Method for Added Resistance of Ships in Waves
Proceedings of the 31st International Conference on Ocean, Offshore and Arctic Engineering, American Society of Mechanical Engineers, Rio de Janeiro, Brazil, OMAE2012-83457
Also: published as revised paper in ASME J. Offshore Mechanics & Arctic Eng., vol. 136(3), 031601
https://doi.org/10.1115/OMAE2012-83457

Piehl, H., el Moctar, O. (2012)
Vortex Shedding from a Bilge Keel in a Transient Flow
Proceedings of the 31st International Conference on Ocean, Offshore and Arctic Engineering, American Society of Mechanical Engineers, Rio de Janeiro, Brazil, OMAE2012-84013
https://doi.org/10.1115/OMAE2012-84013

Söding, H., Graefe, A., el Moctar, O., Shigunov, V. (2012)
Rankine Source Method for Seakeeping Predictions
Proceedings of the 31st International Conference on Ocean, Offshore and Arctic Engineering, American Society of Mechanical Engineers, Rio de Janeiro, Brazil, OMAE2012-83450
https://doi.org/10.1115/OMAE2012-83450

Oberhagemann, J. Ley, J., el Moctar, O. (2012)
Prediction of Ship Response Statistics in Severe Sea Conditions using RANS
Proceedings of the 31st International Conference on Ocean, Offshore and Arctic Engineering, American Society of Mechanical Engineers, Rio de Janeiro, Brazil, OMAE 2012-83955
https://doi.org/10.1115/OMAE2012-83995

Oberhagemann, J., Krömer, M., Cabos, C., el Moctar, O. (2012)
A Fluid-Structure Coupling Method Based on RANSE and Structural Mode Decomposition
Proceedings of the 6th International Conference on HYDROELASTICITY in Marine Technology, Tokyo, Japan

 

2011

Shigunov, V., el Moctar, O., Schellin, T.E., Kaufmann, J., Stute, R. (2011)
Assessing the Dynamic Stability of an Offshore Supply Vessel
Proceedings of the 30th International Conference on Offshore Mechanics and Arctic Engineering, American Society of Mechanical Engineers, Rotterdam, The Netherlands, OMAE2011-49043
Also: published as revised paper in ASME J. Offshore Mechanics & Arctic Eng., vol. 134(4), 041302
https://doi.org/10.1115/1.4006392

Graefe, A., el Moctar, O., Shigunov, V., Söding, H., Zorn, T. (2011)
Squat Computations for Containerships in Restricted Waterways
Proceedings of the 2nd International Conference on Ship Manoeuvring in Shallow and Confined Water: Ship-to-Ship Interaction (ref STS049), Trondheim, Norway

 

2009

Schellin, T.E., Peric, M., and el Moctar, O. (2009)
Wave-Deck-Load Analysis for a Jack-Up Platform
Proceedings of the 28th International Conference on Offshore Mechanics & Arctic Engineering, American Society of Mechanical Engineers, Honolulu, USA, OMAE 2009-79633
Also: published as revised paper in ASME J. Offshore Mechanics & Arctic Engineering, vol. 133(2), 021303
https://doi.org/10.1115/1.4002047

Morch, H.J., Peric, M., Schreck, E., el Moctar, O., Zorn, T. (2009)
Simulation of Flow and Motion of Lifeboats
28th International Conference on Offshore Mechanics & Arctic Engineering, American Society of Mechanical Engineers, Honolulu, USA, OMAE2009- 79608
https://doi.org/10.1115/OMAE2009-79608

Shigunov, V., el Moctar, O. and Rathje, H. (2009)
Conditions of Parametric Rolling
Proceedings of the 10th International Conference on Stability of Ships and Ocean Vehicles, St. Petersburg, Russia

 

2008

Oberhagemann, J., el Moctar, O., Schellin, T.E. (2008)
Fluid-Structure Coupling to Assess Whipping Effects on Global Loads of a Large Containership
Proceedings of the 27th Symposium on Naval Hydrodynamics, Seoul, Korea

Oberhagemann, J., Holtmann, M, el Moctar, O., Schellin, T.E, Kim, D. (2008)
Stern Slamming of an LNG Carrier
27th International Conference on Offshore Mechanics & Arctic Eng., Estoril, Portugal, OMAE2008-57385
Also: published as revised paper in ASME J. Offshore Mechanics and Arctic Engineering, American Society of Mechanical Engineers, vol. 131 (3), 031103
https://doi.org/10.1115/OMAE2008-57385

el Moctar, O., Schellin, T.E. (2008)
Prediction of Rudder Cavitation Based on CFD and Full-Scale Observations
Proceedings of the International Conference on Marine CFD, Royal Society of Naval Architects, Southampton, 2008

 

2007

el Moctar, O., Schellin, T.E., Peric, M. (2007)
Wave Load and Structural Analysis for a Jack-Up Platform in Freak Waves
Proceedings of the 26th International Conference on Offshore Mechanics & Arctic Engineering, American Society of Mechanical Engineers, San Diego, USA, OMAE2007-29434
Also: published as revised paper in ASME J. Offshore Mechanics and Arctic Engineering, vol. 131 (2), 021602
https://doi.org/10.1115/OMAE2007-29434

Peric, M., Zorn, T., el Moctar, O., Schellin, T.E., Kim, Y-S. (2007)
Simulation of Sloshing in LNG-Tanks
Proceedings of the 26th International Conference on Offshore Mechanics & Arctic Engineering, American Society of Mechanical Engineers, San Diego, USA, OMAE2007-29555
Also: published as revised paper in ASME J. Offshore Mechanics & Arctic Engineering, American Society of Mechanical Engineers, vol. 131(3):031101
https://doi.org/10.1115/1.3058688

 

2006

el Moctar, O., Schellin, T.E., Priebe, T. (2006)
CFD and FE Methods to Predict Wave Loads and Ship Structure Response
Proceedings of the 26th Symposium of Naval Hydrodynamics (ONR), Rome, Italy

Schellin, T.E., el Moctar, O. (2006)
Numerical Prediction of Impact-Related Wave Loads on Ships
Proceedings of the 25th International Conference on Offshore Mechanics & Arctic Engineering, American Society of Mechanical Engineers, Hamburg, Germany, OMAE2006-92133
Also: published as revised paper in ASME J. Offshore Mechanics & Arctic Eng., American Society of Mechanical Engineers, vol. 129(1), 39-47
https://doi.org/10.1115/1.2429695

 

2005

el Moctar, O., Brunswig, J. Brehm, A., Schellin, T.E. (2005)
Computation of Ship Motions in Waves and Slamming Loads for Fast Ships using RANSE
Proceedings of the International Conference on Fast Sea Transportation, St. Petersburg, Russia

 

2004

el Moctar, O., Brehm, A., Schellin, T.E. (2004)
Prediction of Slamming Loads for Ship Structural Design using Potential Flow and RANSE Codes
Proceedings of the 25th Symposium on Naval Hydrodynamics, St. John’s, Canada

Junglewitz, A., el Moctar, O., Stadie-Frohbös, G. (2004)
Loads on Podded Drives
Proceedings of the 9th International Symposium Practical Design of Ships and Mobile Units, Lübeck, Germany, Keil, Harald; Lehmann, Eike (publisher) 2004, pp. 894-901
ISBN: 978-3-87743-808-4

 

2002

el Moctar, O., Bertram, V. (2002)
Computation of Viscous Flow around Fast Ship Superstructures
Proceedings of the 24th Symposium of Naval Hydrodynamics, Fukuoka, Japan

 

 

Supervised PhD Theses

  • Malte Riesner (2022)
    Numerical Method to Compute the Wave-Induced Rigid Body and Elastic Response of Ships at Forward Speed
  • Simon Mewes (2021)
    Numerical Prediction of Hydrodynamic Damping and Loads on a Floating Offshore Wind Turbine
  • Hassan El Sheshtawy (2021)
    Experimental and Numerical Investigations of Fluid-Structure Interaction for Fully and Partially Submerged Cylinders in Turbulent Flows
  • Changqing Jiang (2021)
    Mathematical Modelling of Wave-Induced Motions and Loads on Moored Offshore Structures
  • Mohamed Youssef (2021)
    Experimental and Numerical Investigations of Vortex-Induced Vibration for a Single Cylinder
  • Mohammed Abdulaziz (2017)
    Study of the Vortex-Induced Vibrations in Offshore Structures
  • Neugebauer (2015)
    Conception and Validation of a Sloshing Test Facility Including Optical Flow Measurement and Development of a Decision Support System Approach for Sloshing Impact Loads

 

 

Funded Research Projects (selected)

 

  • DFG – German Research Foundation, project number 448471847 “Cavitation Control Using Mesoscale Surface Structuring in Marine Engineering and Hydraulic Systems “, 2022 - present, incl. supervising one PhD student
  • DFG – German Research Foundation, project number 469042952 “Numerical and Experimental Investigations of Hydroelastic Effects of very Large Moored and Mechanically Coupled Multibody Offshore Floating Structures“, 2022 - present, incl. supervising one PhD student
  • DFG – German Research Foundation, Exchange with Pusan National University, “Experimental and Numerical Investigations of Thermodynamical Effects on Single Bubble Dynamics”2022 - present
  • DFG - German Research Foundation, project number 290858502 “Development of a Numerical Method to Predict Hydrodynamic Cavitation Induced Erosion”, 2016-2019, incl. supervising one PhD student
  • DFG - German Research Foundation, project number 311018823 “An Efficient Numerical Method for Higher Order Springing Induced Loads”, 2016-2019, incl. supervising one PhD student
  • DFG - German Research Foundation, project number 298747191 “Investigation of Sloshing in Partially Filled Tanks Considering Density Ratio and Phase Transition Effects”, 2016-2019, supervising one PhD student
  • DFG – German Research Foundation, project number INST 20876/77-1 FUGG  “Sloshing Device” 2010, incl. supervising one PhD student
  • EU –xx  “Multi-Use Affordable Standardised Floating Space@Sea”, 2017-2020, incl. supervising one PhD student”
  • EU – 234175 “Extreme Seas: “Numerical Prediction of Loads and Hydroelasticity Effects on Ship Structures in Extreme Waves”, 2009-2013, incl. supervising one PhD student
  • EU – 2012-EU-18067-S  “LNG Liquified Natural Gas Masterplan”, 2013-2015
  • EU – 605221  “SHOPERA: Energy Efficient Safe Ship Operation: Prediction of Added Resistance and Manouevring Motions in Waves”, 2013-2016, incl. supervising one PhD student
  • German Federal Ministry of Economic Affairs and Energy – FKZ: 03SX514C, DigitShip: “Acquisition, Analysis and Use of Operational Data for Efficient and Safe Ships: Development of Mathematical Models for the Analysis of the Operational Data of Ships under Real Conditions“, 2020-2023, – incl. supervising one PhD student
  • SHELL – “Experimental Investigation of Sloshing Induced Loads, Decision Support System”, 2011-2015, incl. supervising one PhD student
  • German Federal Ministry of Economic Affairs and Energy - FKZ: 03SX354A “BinGas: Development of Technologies for LNG (Liquified Natural Gas) Transport on Inland Navigation Ships: Tank – Propulsion - Ship”, 2013-2016, incl. supervising one PhD student
  • SIEMENS – “Risk Assessment for LNG Floating Production Storage and Offloading Unit”,
    2013-2014
  • German Federal Ministry of Economic Affairs and Energy  - FKZ:03SX339B  “PerSee: Performance of Ships in Seaways: Numerical Prediction of Forces Acting on Ships in Waves”, 2012-2016, incl. supervising one PhD student
  • German Federal Ministry of Economic Affairs and Energy  - FKZ: 03SX359B “BiWi: Seagoing Inland Ships: Prediction of Multi-Body Dynamics, Loads and Structural Response of Inlad Ships in Waves ”, 2013-2016, incl. supervising one PhD student
  • German Federal Ministry of Economic Affairs and Energy  - FKZ: 03SX347F “KONKAV: Development of a Cavitation Erosion Model”, 2012-2015, incl. supervising one PhD student
  • German Federal Ministry of Economic Affairs and Energy  - FKZ: 03SX281A “BestRollDämpfung: Experimental and Numerical Prediction of Roll Damping” 2009-2012, incl. supervising one PhD student
  • EU and German Federal Ministry of Economic Affairs and Energy  - FKZ:03SX268A  ”PROPSEAS: Propulsion in Seaways – Numerical Prediction of Loads and Hydroelasticity Effects on Propellers in Waves” 2009-2011, incl. supervising one PhD student
  • SIEMENS – “Electric power production from Offshore-Waves - experimental basic research  studies” – 2011
  • Germanischer Lloyd “Risk-based Assessment of Seaway-Induced Dynamic Loads of Ship Structures”, 2010-2012, incl. supervising one PhD student
  • German Federal Waterways Engineering and Research Institute, “Hydrodynamic and ship dynamic modelling for trafficability analysis of inland waterways” 2012-2016, incl. supervising one PhD student
  • German Federal Waterways Engineering and Research Institute, “Prediction of ship manoeuvring in restricted waters”, 2012-2016, incl. supervising one PhD student
  • German Federal Ministry of Economic Affairs and Energy  - FKZ: 03SX324B “ PREMAN - Scale Effects and Effects of Environmental Conditions on Ship Manoeuvring Motions”, 2011-2014, incl. supervising one PhD student
  • Germanischer Lloyd, “Development of Boundary Element Method for Ship-Ship Interaction and Shallow Water Problems”, 2009-2012, incl. supervising one PhD student
  • Federal Ministry of Transport and Infrastructure & Germanischer Lloyd, “Bunkering LNG - Feasibility Study on Bunkering LNG (Liquefied Natural Gas) in German Ports” 2011-2012
  • German Federal Waterways Engineering and Research Institute, “Manoeuvring Behaviour of Inland waterway Ships”, 2009-2012, incl. supervising one Posdoc
  • German Federal Waterways Engineering and Research Institute, “Experimental Investigation of Propulsion and Manoeuvring Motions of Inland Waterway Ships”, 2014-2016, incl. supervising one PhD student
  • German Federal Ministry of Economic Affairs and Energy  - FKZ  03SX197 “REALEX: Numerical Prediction of Slamming Loads on Ship Structures”, 2004-2007
  • German Federal Ministry of Economic Affairs and Energy  - FKZ 03SX213A “XXL Ruder: Numerical and Experimental Investigation of Rudder Cavitation”, 2005-2008

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