(Old website of a former member, who has left MathCCES, see also list of former members)

Computational Mathematics Group
Department of Mathematics and
Center for Computational Engineering Science (CCES)
RWTH Aachen University
Schinkelstr. 2
D-52062 Aachen
Germany

Room: 229 (Rogowski building, 2nd floor)
Phone: +49 (0)241 80 98 671
Email: Emre Özkaya

Aerodynamic Shape Optimization and Flow Control
Computational Fluid Dynamics
Discrete Adjoint Method
Automatic Differentiation

* Nemili, A., Özkaya, E., Gauger, N. - “Development of a consistent and efficient discrete adjoint method for unsteady incompressible RANS equations”, Journal of Computational Physics, submitted.

* Griewank A., Hamdi A. and Özkaya E. Quantifying retardation in simulation based optimization, Chapter 6 of the book Optimization, simulation and control, Springer optimization and its applications Vol. 76, pp. 79-96, Springer New York 2013

* Angelo Carnarius, Frank Thiele, Emre Özkaya, Anil Nemili and Nicolas R. Gauger. Optimal control of unsteady flows using a discrete and a continuous adjoint approach. 25th IFIP TC 7 Conference on System Modeling and Optimisation, Berlin, Germany, Sep 12-16, 2011. To appear in IFIP Springer Series.

• Özkaya, E., Nemili, A., Gauger, N. – “Application of Automatic Differentiation to an Incompressible URANS Solver”, Recent Advances in Algorithmic Differentiation, Editors : S. Forth, P. Hovland, E. Phipps. J. Utke, A. Walther, Volume 87, 2012, pp 35-45

• Gauger, N., Walther, A., Özkaya, E., Moldenhauer, C. – ”Efficient Aerodynamic Shape Optimization by Structure Exploitation”, Optimization and Engineering, December 2012, Volume 13, Issue 4, pp 563-578.

• Nemili, A., Özkaya, E., Gauger, N., Carnarius, A., Thiele, F. – “A Discrete Adjoint Approach for Unsteady Optimal Flow Control”, Notes on Numerical Fluid Mechanics and Multidisciplinary Design, angenommen zur Veröffentlichung.

• Gauger, N., Griewank, A., Hamdi, A., Kratzenstein, C., Özkaya, E., Slawig, T. - “Automated Extension of Fixed Point PDE Solvers for Optimal Design with Bounded Retardation”, International Series of Numerical Mathematics, Vol. 160, pp. 99-122, 2012.

• Nemili, A., Özkaya, E., Gauger, N. Carnarius, A., Thiele, F., - “Optimal Control of Unsteady Flows Using Discrete Adjoints”, AIAA Paper 2011-3720, 2011.

• Nemili, A., Özkaya, E., Gauger, N., Carnarius, A., Thiele, F. – “Automatic Generation of Discrete Adjoints For Unsteady Optimal Flow Control”, In (editor: Tuncer, I.H.) ECCOMAS CFD & Optimization, ISBN 978-605-61427-4-1, Paper No. 2011-043, 2011.

• Özkaya, E., Gauger, N. – “An Efficient One-Shot Algorithm for Aerodynamic Shape Design”, Notes on Numerical Fluid Mechanics and Multidisciplinary Design, Vol. 112, pp. 35-42, 2010.

• Özkaya, E., Gauger, N. – “Automatic transition from simulation to one-shot shape optimization with Navier-Stokes equations”, GAMM-Mitt., Vol. 33, No. 2, pp. 133-147, 2010.

• Carnarius, A., Özkaya, E., Gauger, N., Thiele, F. – „Adjoint Approaches for Optimal Flow Control”, AIAA Paper 5088-2010, 2010.

• Nemili, A., Özkaya, E., Gauger, N. - “Development and Application of a Discrete Adjoint Approach for Unsteady Flow Control”, Jahresbericht der Deutschen Strömungsmechanischen Arbeitsgemeinschaft STAB, pp. 218-219, 2010.

• Özkaya, E., Gauger, N. – “Single-Step One-Shot Aerodynamic Shape Optimization”, International Series of Numerical Mathematics, Vol. 158, pp. 191-204, 2009.

• Özkaya, E., Gauger, N. - “An Efficient One-Shot Algorithm for Aerodynamic Shape Design”, Jahresbericht der Arbeitsgemeinschaft Strömungen mit Ablösung STAB, pp. 224-225, 2008.

• Gauger, N., Griewank, A., Hamdi, A., Özkaya, E. - “Semi-Automatic Transition from Simulation to Optimization in MDO Context”, Workshop on Optimal Control of Coupled Systems of PDE, Mathematisches Forschungsinstitut Oberwolfach, Tagungsbericht 13/2008, pp. 602-603, 2008.

• Özkaya, E. Aerodynamic Shape Optimization of Radial Impellers with Automatic Differentiation, M.S. Thesis, Institute of Fluid Mechanics, LSTM Friedrich-Alexander University Erlangen-Nürnberg.