Bettar Ould el Moctar

​

Journal Papers (peer review)

Conference Papers (selected peer review)

Funded Research Projects (selected)

 

CURRICULUM VITAE                                                 ​

​​
Prof. Dr.-Ing. Bettar O. el Moctar      ​Elmoctar

University of Duisburg-Essen
Department of Mechanical Engineering
Ship Technology and Ocean Engineering
Bismarckstrasse 69, 47057 Duisburg, Germany
Tel. +49 (0) 203 379 2539, Fax. +49 (0) 203 379 2779
Email: ould.el-moctar@uni-due.de
http://www.uni-due.de/ISMT

Present Positions

  • Full Professor in Ship Technology and Ocean Engineering at the University of Duisburg-Essen
  • Director of the Model Basin: Institute of Ship Technology and Transport Systems, DST

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 American Journal of Civil Engineering, USA
  • Co-Editor of Journal of Marine Science and Application, Publisher: Springer
  • Co-Editor of the Journal of Naval Sciences and Engineering (JNSE), Turkey
  • Member of the Council of Science of the Federal Waterways Engineering and Research Institute (BAW), Germany
  • Member of the Advisory Council of the International Towing Tank C. ITTC, Denmark
  • Member of various international Scientific Committees (e.g. joint ISSC-ITTC committee, ISSC)
  • Deputy Head of the Ship Technology Committee of the Association of German Engineers (VDI), Germany
  • Member of the Advisory Board of the German Association for Marine Technology (GMT), Germany

Past Positions

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

Awards

  • Georg Weinblum Award (2001 for Dissertation)
  • Landrini Award (2005 for research activities)

Education

1990 - 1997   Graduate Engineer Degree (Dipl.-Ing.) in Naval Architecture & Ocean Engineering, University of Hamburg
1997 - 2001    PhD  in Computational Fluid Dynamics “Numerical Computations of Flow Induced Forces Acting on
                          Maneuvering Ships” at the Hamburg University of Technology


Journal papers (peer review)

Zhang, G., Wu, J., 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, doi:10.1016/j.apor.2020.102207

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

Peters, A., el Moctar, O. (2020)
Numerical Assessment of Cavitation-Induced Erosion Using a Multi-Scale Euler-Lagrange Method.
Journal of Fluid Mechanics, vol. 894, doi:101017/jfm.2020.273

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, doi:10.1063/5.0006560

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, doi:10.1080/09377255.2018.1555987

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, doi:10.1016/j.jfluidstructs.2019.102799

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, doi:10.1016/j.oceaneng.2019.106806

Toedter, 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, doi:10.1115/1.4044632

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

Kadivar, E., Timoshevskiy, M.V., Pervunin, K.S., el Moctar, O. (2019)
Cavitation Control Using Cylindrical Cavitating-Bubble Generators (CCGs): Experiments on a Benchmark CAV2003 Hydrofoil.
International Journal of Multiphase Flow, vol. 125, doi:10.1016/j.ijmultiphaseflow.2019.103186

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), doi: 101007/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, doi: 10.1088/1755-1315/405/1/012002

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, doi: 10.1016/j.ijmultiphaseflow.2019.03.019

Feng, Y., el Moctar, O., Schellin T.E. (2019)
Hydrodynamic Optimization of a Multi-Purpose Wind Offshore Supply Vessel.
Ship Technology Research, doi: 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, doi: 10.1016/j.oceaneng.2019.02.055

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, doi: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, doi: 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, doi:10.1016/j.apor.2018.09.008

Peters, A., Lantermann, U., el Moctar, Ould (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 doi: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 (IF: 2.61), vol. 64, pp. 333-356, doi: 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 IF:0.3, vol. 240, doi: 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, doi: 10.1080/17445302.2018.1498568

Riesner, Malte, el Moctar, Ould (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, doi: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, doi: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

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, doi: 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, doi: 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 doi: 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.
Sip Technology Research, vol. 66/1, pp. 9-21, doi: 10.1080/09377255.2018.1482100

el Moctar, O., Ley, J.,  Oberhagemann, J.,Schellin, T.E. (2017)
Advanced Computational Methods for Hydroelastic Effects of Ships in Extreme Seas. 
Ocean Engineering, vol. 130, pp. 659–673

Lyu, W., el Moctar, O. (2017)
Numerical and Experimental Investigations of Wave-induced Second Order Hydrodynamic Loads. 
Ocean Engineering. vol. 131, pp 197–212.

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

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

O. el Moctar, S. Sigmund, J. Ley, T. Schellin (2016)
Numerical and Experimental Analysis of Added Resistance of Ships in Waves.
Journal of Offshore Mechanics and Arctic Engineering, 2016

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

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, issue 3, pp 135-145.

Peters, A., Lantermann, U., el Moctar, O. (2015)
Numerical Modelling and Prediction of Erosion Induced by Hydrodynamic Cavitation.
Journal of Physics, conf. series, vol. 656/1, id. 012054

Peters, A., Sagar, H., Lantermann, U., el Moctar, O. (2015)
Numerical modelling and prediction of cavitation erosion. Wear. doi: 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, doi:10.1115/1.4029483

Graefe, A., Shigunov, V., el Moctar, O. (2015)
Rankine Source Method for Ship-Ship Interaction Problems.
ASME J. of Offshore Mechanics and Arctic Engineering, vol. 137 (2), 021601-1, doi:10.1115/1.4029316

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, doi: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, doi:10.1179/0937725515Z.00000000015

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 136(3), 031602; doi: 10.1115/1.4026885

el Moctar, O., Lantermann, U., Mucha, P., Höpken, J., Schellin, T. (2014)
RANS-Based Simulated Ship Maneuvering  Accounting for Hull-Propulsor-Engine Interaction.
J. Ship Technology Research, vol. 61/3,  pp. 142-161, DOI: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, doi:10.1115/1.4026847

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

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

el Moctar, O.,  Shigunov, V., Zorn, T. (2012)
Duisburg Test Case: Post-Panamax Container Ship for Benchmarking,
Ship Technology Research, vol. 59/3, pp. 50-64, doi: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, doi:10.1179/ str.2012.59.3.001

el Moctar, O., Oberhagemann, J., Schellin, T. (2012)
Free-Surface RANS for Hull Girder Whipping and Springing.
Transactions of the Society of Naval Architects & Marine Engineers, vol. 119, pp. 48-66

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, doi: 10.1115/1.4006392

Schellin, T., 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, doi:10.1115/1.4002047

el Moctar, O., Povel, D., Shigunov, V., Tide, A. (2010)
Fire Investigation in a Container by Container.
Ship Technology Research, vol. 57/1, pp 40 – 55, doi: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, DOI:10.1179/str.2010.57.1.002

Oberhagemann, J., Holtmann, M, el Moctar, O., Schellin, T.E, and Kim, D. (2009)
Stern Slamming of an LNG Carrier.
ASME J. of Offshore Mechanics and Arctic Engineering, vol. 131 (3), 031103, doi: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. doi: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. doi:10.1115/1.3058688

Schellin, T., 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, doi:10.1115/1.2429695

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, doi:10.1179/str.2004.51.3.005

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

 

Conference Papers (selected peer review)

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).

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 NonExclusive Focus on Manoeuvring in Waves, Wind and Current (MASHCON).

el Moctar, O., Schellin, T.E., Neugebauer, J. (2019)
Wind and Current Loads on Barges and Ships. Proc. 38th ASME International Conference on Ocean.
Offshore and Arctic Engineering, Glasgow, Scotland, Paper No. OMAE2019-95716, doi:10.1115/OMAE2019-95716

Sheshtawy, H., el Moctar, O., Schellin, T.E., Natarajan, S. (2019)
Numerical Investigation of an Optimised Horizontal Axis Tidal Stream Turbine.
Proc. 38th ASME International Conference on Ocean, Offshore and Arctic Engineering, Glasgow, Scotland, Paper No. OMAE2019-95722

Jiang, C., el Moctar, O., Schellin, T.E. (2019)
Prediction of Hydrodynamic Damping of Moored Offshore Structures Using CFD.
Proc. 38th ASME International Conference on Ocean, Offshore and Arctic Engineering, Glasgow, Scotland, Paper No. OMAE2019-95935 / American Society of Mechanical Engineers, doi:10.1115/OMAE2019-95935

Thome, M., Neugebauer, J., el Moctar, O. (2019)
Assessment of LNG Pump Tower Loads.
Proc. 38th ASME International Conference on Ocean, Offshore and Arctic Engineering, Glasgow, Scotland, Paper No. OMAE2019-96138, doi:10.1115/OMAE2019-96138

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

Toedter, S., 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.

Toedter, S., Sheshtawy, H., Neugebauer, J., el Moctar, O. (2019)
Experimental Investigation of Vortex-Induced Vibrations Using 3D-Accelerometry and Digital Image Correlation.
Proc. 11th International Workshop on Ship and Marine Hydrodynamics IWSH2019, Hamburg, Germany,  Paper76

Seithe, G., el Moctar, O. (2019)
Wave-Induced Motions of Moored and Coupled Multibody Offshore Structures.
Proc. 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

Toedter, S., el Moctar, O., Neugebauer, J., Schellin, T.E. (2018)
Experimental investigations of hydroelastic effects on loads during flat water entry.
Proc. ASME International Conference on Ocean, Offshore and Arctic Engineering, Madrid, Spain, Paper No. OMAE2018-78692, doi: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.

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, doi:10.1115/1.861851_ch208

Kadivar E., el Moctar O.
The investigation of cloud cavitation passive control around a hydrofoil using Cavitating-bubble Generators (CGs).
Proceedings of the 10th International Symposium on Cavitation (CAV2018), Baltimore, USA.

el Moctar O., Tödter S., Neugebauer J., Schellin T.E., (2018) 
Investigation of Hydroleasticity and Air Compressibility on Impact Loads.
Proc. of 8th International 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.
Proc. of the 32nd Symposium on Naval Hydrodynamics, Hamburg, Germany

Riesner, M., el Moctar, O., Schellin, T.E., (2018)
Design related speed loss and Feul 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.

J. Neugebauer, S. Liu, R. Potthoff, O. el Moctar (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)

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.
Proc. Society of Offshore and Polar Engineers , Rhodes, Greece. Paper No. ISOPE-I-16-512

el Moctar, O., Sprenger, F., Schellin, T.,  Papanikolaou, A. (2016)
Numerical and Experimental Investigations of Ship Maneuvers in Waves.
Proc. 35th ASME International Conference on Ocean, Offshore and Arctic Engineering, Busan, Korea, Paper No. OMAE2016-54847

Sigmund, S., el Moctar, O. (2016)
Numerical prediction of the Propulsion Characteristics of ships in waves.
Proc. 35th ASME International Conference on Ocean, Offshore and Arctic Engineering, Busan,   Korea, Paper No. 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.
Proc. of the 4th International Conference on Ship Manoeuvring in Shallow and Confined Water with Special Focus on Ship Bottom Interaction, Hamburg,

Sagar, H., Ley J., el Moctar, O. (2015)
Hydroelasticity Effects of Wave-Induced Loads on Offshore Monopile Structures.
Proc. 7th International Conference on Hydroelasticity in Marine Technology, Split, Croatia

Piehl, H., el Moctar, O. (2015)
Development of a Mathematical Roll Damping Model with Polynomial Regression Analysis.
Proc. 34th  ASME international Conference on Ocean, Offshore and Arctic Engineering, St. John's, NL, Canada, Paper No. OMAE2015- 41642

el Moctar, O., Sigmund, S., Schellin, T.E. (2015)
Numerical and Experimental Analysis of Added Resistance of Ships in Waves.
Proc. 34th  ASME international Conference on Ocean, Offshore and Arctic Engineering, St. John's, NL, Canada, Paper No. OMAE2015-42403

Peters, A., Lantermann, U., el Moctar, O. (2015)
Numerical Modelling and Prediction of Erosion Induced by Hydrodynamic Cavitation. 
Proc.  9th International Symposium on Cavitation, Lausanne, Switzerland

Ley, J., el Moctar, O., Oberhagemann, J., Schellin, T. (2014)
Assessment of Loads and Structural Integrity of Ships in Extreme Seas.
Proc. 30th Symposium on Naval Hydrodynamics

Shigunov, V., Graefe, A., el Moctar, O. (2014)
Calculation of Horizontal Sectional Loads and Torsional Moment.
Proc. 33rd ASME International Conference on Ocean, Offshore and Arctic Engineering, San Francisco, USA. - Paper No. OMAE2014-23487, Also: published as revised paper in ASME J. Offshore Mechanics & Arctic Eng., vol. 137(2), 021603

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

Ley, J., el Moctar, O. (2014)
An Enhanced 1-Way Coupling Method to Predict Elastic Global Hull Girder Loads.
Proc. 33rd ASME International Conference on Ocean, Offshore and Arctic Engineering, San Francisco, U.S.A. - Paper No. OMAE2014-24199

Piehl, H., el Moctar, O. (2014)
Bilge Keel Forces and Vortex Shedding – A Numerical Analysis with Open FOAM.
Proc. 33rd ASME International Conference on Ocean, Offshore and Arctic Engineering OMAE2014, San Francisco, USA. - Paper No. OMAE2014-24079

Neugebauer, J., el Moctar, O., Potthoff, R. (2014)
Experimental and Numerical Investigation of Single Impacts in a 2D Tank.  
Proc. 24th International Offshore and Polar Engineering Conference, Paper No. 2014TPC1140

Ley, J., Sigmund S., el Moctar, O. (2014)
Numerical Prediction of the Added Resistance of Ships in Waves.
Proc. 33rd ASME International Conference on Ocean, Offshore and Arctic Engineering, San Francisco, USA. - Paper No. OMAE2014-24216

Graefe, A., Oberhagemann J., Shigunov, V., el Moctar, O. (2013)
Linear and Nonlinear Sectional Loads with Potential and Field Methods.
Proc. 32nd ASME International Conference on Ocean Offshore and Arctic Engineering, Nantes, France. - Paper No. OMAE2013-10544. Also: published as revised paper in ASME J. Offshore Mechanics & Arctic Eng., vol. 136(3); 031602

Oberhagemann J., Shigunov V., el Moctar, O. (2013)
First Order Reliability Analogies of Nonlinear Bending Moments in Ships.
Proc. 32nd ASME  International Conference on Ocean, Offshore and Arctic Engineering, Nantes, France. - Paper No. OMAE2013-10547

Graefe, A., Shigunov, V., el Moctar, O. (2013)
Rankine Source Method for Ship-Ship Interaction Problems.
Proc. 32nd ASME  International Conference on Ocean, Offshore and Arctic Engineering, Nantes, France. - Paper No. OMAE2013-10810. Also:  published as revised paper in ASME J. Offshore Mechanics & Arctic Eng., vol. 137 (2), 021601-1

Piehl H., el Moctar, O. (2013)
Roll Decay Model Test of a Post Panamax Container Ship - Experimental and Numerical Analysis.
Proc. 32nd ASME International Conference on Ocean, Offshore and Arctic Engineering, Nantes, France. - Paper No. OMAE2013-11065

Mucha P., el Moctar, O. (2013)
Ship-Bank Interaction of a Large Tanker and Related Control Problems.
Proc. 32nd ASME International Conference on Ocean, Offshore and Arctic Engineering, Nantes, France. - Paper No. OMAE2013-1109

Oberhagemann, J., Ley, J., Shigunov, V., el Moctar, O. (2012)
Efficient Approaches for Ship Response Statistics using RANS.
Proc. of the international Symposium of Offshore and Polar Engineering, Rhodes, Greece, pp. 1133-1140

Söding, H., Shigunov, V., Schellin T.E., el Moctar, O. (2012)
A Rankine Panel Method for Added Resistance of Ships in Waves.
Proc. 31st International Conference on Ocean, Offshore and Arctic Engineering, Rio de Janeiro, Brazil. - Paper No. OMAE2012-83457. Also: published as revised paper in ASME J. Offshore Mechanics & Arctic Eng., vol. 136(3), 031601

Piehl, H., el Moctar, O. (2012)
Vortex Shedding from a Bilge Keel in a Transient Flow.
Proc. 31st International Conference on Ocean, Offshore and Arctic Engineering, Rio de Janeiro, Brazil. – Paper No. OMAE2012-84013

Söding, H., Graefe, A., el Moctar, O., Shigunov, V. (2012)
Rankine Source Method for Seakeeping Predictions.
Proc. 31st Int. Conf. on Ocean, Offshore and Arctic Engineering, Rio de Janeiro, Brazil. - Paper No. OMAE2012-83450

Oberhagemann, J. Ley, J., el Moctar, O. (2012)
Prediction of Ship Response Statistics in Severe Sea Conditions using RANS.
Proc. 31st Int. Conf. on Ocean, Offshore and Arctic Engineering, Rio de Janeiro, Brazil, Paper No. OMAE 2012-83955

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

Shigunov, V., el Moctar, O., Schellin, T.E., Kaufmann, J., Stute, R. (2011)
Assessing the Dynamic Stability of an Offshore Supply Vessel.
30th International Conference on Offshore Mechanics and Arctic Eng., Rotterdam, The Netherlands, Paper No. OMAE2011-49043. Also: published as revised paper in ASME J. Offshore Mechanics & Arctic Eng., vol. 134(4), 041302

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

Schellin, T.E., Peric, M., and el Moctar, O. (2009)
Wave-Deck-Load Analysis for a Jack-Up Platform.
Proc. 28th International Conference on Offshore Mechanics & Arctic Eng., Honolulu, U.S.A, Paper No. OMAE 2009-79633. Also: published as revised paper in ASME J. Offshore Mechanics & Arctic Eng., vol. 133(2), 021303

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 Eng., Honolulu, U.S.A, Paper No. OMAE2009- 79608

Shigunov, V., el Moctar, O. and Rathje, H. (2009)
Conditions of Parametric Rolling.
Proc. 10th Int. Conf. on Stability of Ships and Ocean Vehicles, St. Petersburg, Russia

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

Oberhagemann, J., Holtmann, M, el Moctar, O., Schellin, T.E, and Kim, D. (2008)
Stern Slamming of an LNG Carrier.
27th International Conference on Offshore Mechanics & Arctic Eng., Estoril, Portugal, Paper No. OMAE2008-57385. Also: published as revised paper in ASME J. Offshore Mechanics and Arctic Eng., vol. 131 (3), 031103

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

el Moctar, O., Schellin, T.E., and Peric, M. (2007)
Wave Load and Structural Analysis for a Jack-Up Platform in Freak Waves.
Proc. 26th Int. Conf. on Offshore Mechanics & Arctic Eng., OMAE2007 29434, San Diego, U.S.A. Also: published as revised paper in ASME J. Offshore Mechanics and Arctic Eng., vol. 131 (2), 021602

Peric, M., Zorn, T., el Moctar, O., Schellin, T.E., Kim, Y-S.  (2007)
Simulation of Sloshing in LNG-Tanks.  
Proc. 26th Int. Conf. on Offshore Mechanics & Arctic Eng., San Diego, U.S.A, Paper No. OMAE2007-29555. Also: published as revised paper in ASME J. Offshore Mechanics & Arctic Eng., vol. 131(3):031101

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

Schellin, T., el Moctar, O. (2006)
Numerical Prediction of Impact-Related Wave Loads on Ships.
25th International Conference on Offshore Mechanics & Arctic Eng., Hamburg, Germany Paper No. OMAE2006-92133, Also: published as revised paper in ASME J. Offshore Mechanics & Arctic Eng., vol. 129(1), 39-47

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. 
Proc. of the International Conference on Fast Sea Transportation, St. Petersburg,  Russia

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

Junglewitz, A., el Moctar, O., Stadie-Frohbös (2003)
G. Loads on Podded Drives.
Proc. 9th International Symposium Practical Design of Ships and Mobile Units, Lübeck, Germany

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

 

Funded Research Projects (selected)

  • DFG - German Research Foundation, project number E 611/2-1
    “Development of a Numerical Method to Predict Hydrodynamic Cavitation Induced Erosion”
    2016-present, supervising one PhD student
  • DFG - German Research Foundation EL 611/3-1
    “An Efficient Numerical Method for Higher Order Springing Induced Loads”
    2016-present, supervising one PhD student
  • DFG - German Research Foundation EL 611/4-1
    “Investigation of Sloshing in Partially Filled Tanks Considering Density Ratio and Phase Transition Effects”
    2016 – present, supervising one PhD student
  • DFG – German Research Foundation   FKZ: INST 20876/77-1 FUGG 
    “ Sloshing Device”
    2010, incl. supervising one PhD student
  • EU –xx 
    “Multi-Use Affordable Standardised Floating Space@Sea”
    2017-present, 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
  • SHELL –
    “Experimental Investigation of Sloshing Induced Loads, Decision Support System”
    2011-2015, incl. supervising one PhD student 
  • German Federal Minisetry 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 Minisetry 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 Minisetry 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 Minisetry of Economic Affairs and Energy  - FKZ: 03SX347F
    “KONKAV: Development of a Cavitation Erosion Model”
    2012-2015, incl. supervising one PhD student
  • German Federal Minisetry 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 Minisetry of Economic Affairs and Energy  - FKZ:03SX268A 
    ”PROPSEAS: Propulsion in Seaways – Numerical Prediction of Loads and Hydroelasticity Effects on Propellere 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 Water Ways Engineering and Research Institute
    “Hydrodynamic and ship dynamic modelling for trafficability analysis of inland waterways”
    2012-2016, incl. supervising one PhD student 
  • German Federal Water Ways Engineering and Research Institute,
    “Prediction of ship manoeuvring in restricted waters”
    2012-2016, incl. supervising one PhD student
  • German Federal Minisetry 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
  • Fedearl Ministery of Transport and Infrastructure & Germanischer Lloyd,
    “Bunkering LNG - Feasibility Study on Bunkering LNG (Liquefied Natural Gas) in German Ports”
    2011-2012
  • German Federal Water Ways Engineering and Research Institute
    “Manoeuvring Behaviour of Inland waterway Ships”
    2009-2012, incl. supervising Posdoc
  • German Federal Water Ways Engineering and Research Institute
    “Experimental Investigation of Propulsion and Manoeuvring Motions of Inland Waterway Ships”
    2014-2016, incl. supervising PhD student
  • German Federal Minisetry of Economic Affairs and Energy  - FKZ  03SX197
    “REALEX: Numerical Prediction of Slamming Loads on Ship Structures”
    2004-2007
  • German Federal Minisetry of Economic Affairs and Energy  - FKZ 03SX213A
    “XXL Ruder: Numerical and Experimental Investigation of Rudder Cavitation”
    2005-2008