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CURRICULUM VITAE

Dr. Erdal OKTAY

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http://www.eda-ltd.com.tr

 

Education:

  • Ph.D. Mechanical Engineering – Middle East Technical University, 1986 – 1991

Thesis title : “A Cell Vertex Method for 3D Inviscid Internal Flows”

Supervisor : Prof. Dr. Ahmet Üçer (METU Mechanical Engineering)

Co-supervisor : Dr. Sinan Akmandor (METU Aeronautical Engineering)

 

  • M.S. Mechanical Engineering – Middle East Technical University, 1983-1986

Thesis title: “An Investigation on The Solution of Euler Equations for Compressible Flows”

Supervisor: Prof. Dr. Ahmet Üçer (METU Mechanical Engineering)

 

  • B.S. Aeronautical Engineering Department,

Mechanical Engineering Faculty - Istanbul Technical University, 1978-1982

Title of graduation project: Preliminary Design of a Passenger Aircraft

Supervisor: Prof. Dr. Ahmet Nuri Yüksel



Professional Employment:

  • EDA Engineering Design & Analysis Ltd. Co.

    • Company Owner and General Manager, 2003 -


  • Roketsan Missile Industries Inc. Department of Engineering Development

    • Manager of Aerodynamics Department, 2002-2003

    • Chief Engineer of Aerodynamics Branch, 1997- 2002

    • Design Engineer in Aerodynamics Branch, 1993-1997


  • NASA Langley Research Center

    • Research associate, 1991-1992


  • Old Dominion University

    • Research associate, 1991-1992


  • Middle East Technical University Department of Mechanical Engineering

    • Instructor, 1987-1991

    • Research assistant, 1985-1987



Foreign Languages:

  • English (very good)

  • German (medium)

  • Turkish (native)


Computer Experience:

  • Operating Systems: Unix, Linux, DOS, VM, and VMS, Windows

  • Programming languages: Fortran77, Fortran90, C, C++

  • Commercial and Professional Programs: CFX, ICEM, ANSYS, I-DEAS, TECPLOT, FLUENT, PLOT3D, USM3D, VGRID3D, CFL3D, MS Office and Windows applications

  • Parallel Computing (parallel computers, PC-Clusters, Workstation-Clusters), assembling and administration of PC Clusters

 

Consulting:

  • Roketsan Missile Industries Inc., 1989-1991


Awards & Scholarships:

  • Research and Encouragement Award by “Middle East Technical University, Prof. Dr. Mustafa N. Parlar Education and Research Foundation”, 1992.

  • Ph.D. Scholarship of the Elginkan Foundation.


International Certifications:

  • SDRC Education & Training Program entitled: Master Series Design and Simulation Course, Ankara, Turkey 1994.

  • SGI Parallel Programming and Code Optimization Course, Cortaillod, Switserland, 1998.

  • Missile Design Training Program, abroad, 1998.

  • Missile Design Training Program, abroad, 2000.


Professional Societies:

  • American Institute of Aeronautics and Astronautics (AIAA)

  • Chamber of Mechanical Engineers (MMO)

  • Middle East Technical University Alumni


Research Interests:

  • Computational Fluid Dynamics (CFD)

  • Missile Aerodynamics

  • Aeroheating

  • Aeroelasticity

  • Unstructured Euler Solvers

  • Unstructured Navier Stokes Solvers

  • Unstructured Mesh Generation

  • Computational Geometry

  • Moving Boundary Problems

  • Store seperation

  • Fluid Structure Interaction

  • Code Parallelization (Domain Decomposition, MPI)

  • Aerodynamic & Airframe Design of Missiles

  • Aerodynamic Shape Optimization by Genetic Algorithms

  • Topology OPtimization

  • Internal Flows (Duct, Compressor, Turbine)

  • Free Surface Flows

  • Rotorcrafts

  • Air-vehicle design and Performance


Professional International Projects involved:

  • Computational Fluid Dynamics Study of Complex Configurations in Relative Motion-An Unstructured Approach”. ODU-USA and NASA Langley Research Center, Supported by U.S. Air Force Wright Research Laboratories, 1991-1993.

  • "Validation of 3D Euler and Navier-Stokes Solvers Applied to Simple Missile Configurations in Supersonic Flight Regimes”. Roketsan, METU, ONERA-France, supported by AGARD, 1996-1998.

  • Parallelization of a Computational Fluid Dynamics Code”, IUPUI (Indiana University Purdue University Indianapolis)-USA, 1999-2000.

  • Aerodynamic Shape Optimization by Genetic Algorithms”, Rutgers University-USA, 1999-2000.

  • "Code Improvement for the Solution of Moving Boundary and Fluid -Structure Interaction Problems", IUPUI-USA, 2000-2002.

  • Development of an Incompressible Overset Mesh Interface for Unstructured Mesh Generator MESHeda, supported by EDA Ltd., IUPUI-USA, 2009-2010.


Computer Codes Developed:

  • SINedaTM: Parallel Mesh Coupling Interface

  • FSIedaTM: Fluid Structure Interaction Program of EDA Engineering Design & Analysis

  • FAPedaTM: Flow Analysis Program of EDA Engineering Design & Analysis

  • USER3DNS: Three Dimensional Unstructured Navier-Stokes Solver

  • USER3D: Three Dimensional Unstructured Euler Solver

  • USER3DP: Parallel Three Dimensional Unstructured Euler Solver

  • USER3DP-SFI: Parallel Solid Fluid Interaction Solver

  • ER3D: Three Dimensional Structured Euler Solver

  • ADA: Three Dimensional Unstructured Adaptive Grid Enrichment Program

  • FRICTION: Missile Drag Calculation Program

  • AEROHEAT: Missile Aerodynamic Heating Calculation Program

  • MISDES: Aerodynamic Missile Design Program


Journal Reviews:

  • International Journal for Numerical Methods in Fluids

  • International Journal for Numerical Methods for Heat & Fluid Flow

  • Computers and Fluids


Other Technical Activities:

  • Membership of NATO-RTO-AVT Task Group AVT-082-TG-023 on "Assessment of Turbulence Modeling for High Speed Air Vehicles"

  • Membership of NATO-RTO-AVT Exploratory Team, AVT-ET-23 on “Improved Hypersonic Performance Through Boundary Layer Transition Prediction”

  • Co-Supervision and Jury Membership of various MS and Ph.D. Thesis in Aeronautical Engineering of Middle East Technical University and Indiana University Purdy University Indianapolis.


Thesis Co-supervised

  • Erhan Tarhan, “Two and Three Dimensional Overset Grid Solutions of Euler/Navier-Stokes Equations”, Ph.D. Thesis, M.E.T.U., Ankara, 2003.

  • Koray Kavukcuoğlu, “Wing Flutter Analysis with an Uncoupled Method”, MS Thesis, M.E.T.U., Ankara, 2003.

  • Uğur Kakaşçı, “Three Dimensional Unstructured Grid Generation by Advancing Layer Method”, MS Thesis, M.E.T.U., Ankara, 2001.

  • Zhenyin Li, “Parallel Computations Of 3d Unsteady Compressible Euler Equations With Structural Coupling”, MS Thesis, Purdue University, Indianapolis, 2002.

  • Xiaoyin He, “Parallel Computations Of Solid-Fluid Interactions Using Arbitrary Lagrangian-Eulerian And relative Coordinate Formulations”, MS Thesis, Purdue University, Indianapolis, USA, 2004.

  • Amid P., “Parallel Code Coupling Interface for Fluid Structure Interaction”, MS Thesis, Purdue University, Indianapolis, USA, 2006.

  • Sing K., P., “Dynamic Unstructured Method For Prescribed And Aerodynamically Determined Relative Moving Boundary Problems”, Ph.D. Thesis, Old Dominion University, Norfolk, 1995. ( 1991 - 1992)


Publications

Journal Papers:

  1. Akay, H.U., Oktay, E.,Manguoglu, M., Sivas, A. A., " Improved Parallel Preconditioners for Multi-physics Topology Optimization", International Journal of Computational Fluid Dynamics, Vol. 30, 2016, pp.329-336.

  2. Oktay, E., Akay, H., U., Sehitoglu, O., T., "Three-dimensional Structural Topology Optimization of Aerial Vehicles Under Aerodynamic Loads", Computer & Fluids, Vol. 92, 2014, pp.225-232.

  3. Oktay, E., Akay, H., Merttopcuoglu, O., "Parallelized Structural Topology Optimization and CFD Coupling for Design of Aircraft Wing Structures ", Computers & Fluids, Vol. 49, No. 1, 2011,pp.141-145.

  4. Oktay, E., Akay, H., U., " CFD Predictions of Dynamic Derivatives for Missiles," AIAA Journal of Spacecraft and Rockets. (Accepted for publication)

  5. Oktay, E., Akay, H. U., Uzun, A., "A Parallelized 3D Unstructured Euler Solver for Unsteady Aerodynamics," AIAA Journal of Aircraft, Vol. 40, No.2, 2003, pp.348-354.

  6. Oktay, E., Alemdaroğlu, N., Tarhan, E., Champigny, P., d’Espiney, P., “Unstructured Euler Solutions For Missiles,” Journal of Aerospace Sciences and Technologies, Vol. 4, No. 7, 2000, pp. 453-461.

  7. Oktay, E., Asma, C. O., “Drag Prediction with an Euler Solver at Supersonic Speeds,” AIAA Journal of Spacecraft and Rockets, Vol. 37, No. 5, 2000, pp. 692-697.

  8. Oktay, E., Alemdaroğlu, N., Tarhan, E., Champigny, P., d’Espiney, P., “Euler and Navier-Stokes Solutions for Missiles at High Angles of Attack,” AIAA Journal of Spacecraft and Rockets, Vol. 36, No. 6, 1999, pp. 850-858.

  9. Oktay, E., Akmandor, S., İ. and Üçer, A., Ş., “A Numerical Solution of 3D Inviscid Rotational Flow in Turbines and Ducts”, International Journal for Numerical Methods in Fluids”, Vol. 26, 1998, pp. 907-926.

  10. Oktay, E., Newman, J.C., Jr., and Baysal, O., “A Comparison of Unstructured Grids and Locally Structured Grids for Complex Geometries,” Virginia Journal of Science, vol. 43, No. 2, summer 1992.

Book Chapters

  1. Oktay, E. “Appendix 6 Case F : CFD Solutions for ONERA Non-Circular Body”, In "Turbulence Modeling for High Speed Vehicles", RTO Technical Report, TR-AVT-082, April 2005.

  2. Hennig, P., Nöding, P., Champigny, P., Oktay, E., “Chapter2 - Major problem areas for turbulence modelling on missiles”, In “Turbulence Modeling for High Speed Vehicles”, RTO Technical Report, TR-AVT-082, April 2005.

Conferans Proceedings

  1. Oktay, E., Akay, H., Merttopcuoglu, O., Sener C., "Parallelized Structural Topology Optimization and CFD Coupling for Design of Aircraft Structures", Parallel CFD’10, May 17-21, 2010, Kaohsiung, Taiwan.

  2. Akay, H.U, Payli, R., Liu, J., Ecer, A., and Oktay, E.,“ An Overset Unstructured Grid Method for Parallel Solvers”, Parallel CFD’09, May 18-22, 2009, Moffett Field, California, USA. Published by Springer Verlag.

  3. Oktay, E., Merttopcuoglu, O., Sener C., Ketenci A., Akay, H., "Grid Altyapısı Üzerinde bir Füzenin Şekil En İyileme Çalışması", Başarım’09, Nisan 15-18, 2009, Ankara.

  4. Oktay, E., Merttopcuoglu, O., Sener C., Ketenci A., Akay, H., "Parallel Shape Optimization of a Missile on a Grid Infrastructure ", Parallel CFD’08, May 19-22, 2008, Lyon, France. Published by Springer Verlag.

  5. Oktay, E., Merttopcuoglu, O., Akay, H., "An Unstructured Hybrid Method For Store Separation Simulations", AIAC-2007-104, Ankara International Aerospace Conference, September 10-12, 2007, Ankara, Turkey.

  6. Oktay, E., Merttopcuoglu, O., "Combined Trajectory And Airframe Shape Optimization Of A Missile Using Parallel Genetic Algorithms", AIAC-2007-085, Ankara International Aerospace Conference, August September 10-12, 2007, Ankara, Turkey.

  7. Oktay, E., Merttopcuoglu, O., Akay, H., “ An Approach for Parallel CFD Solutions of Moving Boundary Problems,” Parallel CFD’07, May 21-24, 2007, Antalya, Turkey. Published by Springer Verlag.

  8. Akay, H.U., Baddi A., Oktay, E., “Large-Scale Parallel Computations Of Solid-Fluid Interaction Problems For Aeroelastic Flutter Predictions”, AIAC-2005-002, Ankara International Aerospace Conference, August 22-25, 2005, Ankara, Turkey.

  9. Akgun, M. A., Kavukcuoglu, K., Oktay, E., “An Uncoupled Procedure For Wing Flutter Analysis”, AIAC-2005-089, Ankara International Aerospace Conference, August 22-25, 2005, Ankara, Turkey.

  10. R. Payli, R., Akay, H.U, Baddi, A., Yilmaz, E., Ecer, A., and Oktay, E.,“CFD Applications of TeraGrid,” Proceedings of Parallel CFD’05, May 24-27,2005, University of Maryland, College Park, MD, USA. Edited by A. Deane, et al., Elsevier Science, 2005.

  11. Akay, H. U., Oktay, E., "Parallel Adaptivity for Solution of Euler Equations Using Unstructured Meshes,” Parallel Computational Fluid Dynamics - New Frontiers and Multi-Disciplinary Applications, K. Matsuno, et al. (Editors), Elsevier Science B.V., Amsterdam, The Netherlands, 2003, pp. 371-378.

  12. Akay, H. U., Oktay E., Li Z., He X., “Parallel Computing For Aeroelasticity Problems,” AIAA Paper 2003-3511, 33rd AIAA Fluid Dynamics Conference, June 23-27, 2003, Orlando, Florida, United States.

  13. Akay, H. U., Oktay E., He X., Payli R., U. “A Code Coupling Application for Solid-Fluid Interactions and Parallel Computing”, May 13-15, 2003, Parallel CFD 2003, Moscow, Russia. Published by Elsevier Science.

  14. Akay, H., U., Oktay, E., “Parallel Adaptivity For Solution Of Euler Equations Using Unstructured Solvers,” May 20-22, 2002, Parallel CFD 2002, Kansai Science City, Japan.

  15. Oktay, E., Akay, H., U., " CFD Predictions of Dynamic Derivatives for Missiles," AIAA Paper 2002-0276, Jan. 2002.

  16. Oktay, E., Akay, H. U., Uzun, A., "A Parallelized 3D Unstructured Euler Solver for Unsteady Aerodynamics," AIAA Paper 2002-0107, Jan. 2002.

  17. Tarhan, E., Oktay, E., Kavsaoglu, M., “Solution of Airfoil-Flap Configurations by Using Chimera Grid System”, ICAS-2002, Toronto, Canada, 2002.

  18. Oktay, E., Asma, C. O., “Drag Prediction with an Euler Solver at Supersonic Speeds,” AIAA paper 2000-0392, Jan. 2000.

  19. Oktay, E., Alemdaroğlu, N., Tarhan, E., Champigny, P., d’Espiney, P., “3D Euler and Thin Layer Navier-Stokes Solutions for Missiles at Supersonic Speeds and High Angles of Attack,” RTO MP-5, 1998, pp. 27.1-27.12.

  20. Oktay, E., Alemdaroğlu, N., Tarhan, E., Champigny, P., d’Espiney, P., “Unstructured 3D-Euler Computations for Missiles at Supersonic Speeds and High Angles of Attack,” AIAA Paper 98-0392, Jan. 1998.

  21. Oktay, E., Newman, J.C., Jr., and Baysal, O., “A Comparison of Unstructured Grids and Locally Structured Grids for Complex Geometries,” 70th Annual Meeting of Virginia Academy of Science, Richmond, VA, May 18-21, 1992.

  22. Oktay, E., Akmandor, S., İ. and Üçer, A., Ş., “Three Dimensional Solution of Internal Flows Using a Cell Vertex Finite Volume Method”, AGARD-CP-510, 1991, Paper No: 27

  23. Oktay E., “Roket Tasarımında Sayısal Akışkanlar Dinamiği Uygulamaları”, Savunma Sanayiindeki Teknolojik Gelişmeler Sempozyumu”, Kara Harp Okulu, 5-6 Haziran 1997, Sa. 481-488.

  24. Oktay E., “Roket Tasarımında Sayısal Akışkanlar Dinamiğinin (SAD) Rolü ve Roketsan SAD Çalışmaları”, 1inci Havacılık Sempozyumu, Hava Harp Okulu, 9-10 Haziran 1994, Sa. 83-88.

  25. Oktay E., “Akışkan-Yapı Etkileşimi Problemleri İçin Paralel Bilgisayar Uygulamaları”, Havacılıkta İleri Teknolojiler ve Uygulamaları Sempozyumu, 9-10 Aralık 2004.

  26. Oktay E., “Aerodinamik Sönümleme Katsayısı Tayini İçin Paralel Bilgisayar Hesaplamaları”, Havacılıkta İleri Teknolojiler ve Uygulamaları Sempozyumu, 9-10 Aralık 2004.


Thesis

  • Oktay, E., “A Cell Vertex Method for 3D Inviscid Internal Flows”, Ph.D. Thesis, M.E.T.U., Ankara, 1991.

  • Oktay, E., “An Investigation on The Solution of Euler Equations for Compressible Flows”, M.S. Thesis, M.E.T.U., Ankara, 1986.


International Trainings Participated

  • USM3D-VGRID3D Training, by: Neal Frink, Shayar Pirzadeh, NASA-Langley Research Center, Hampton, Virginia, USA.

  • IDEAS-Master Series Training, by: SDRC-Momentum, Ankara.

  • Missile Design Training-1, abroad.

  • Missile Design Training-2, abroad.

  • SGI Parallel Programming and Code Optimization Course, Cortaillod, Switserland.


Personal Data:

  • Date & Place of Birth : March 24, 1961, Antalya, Turkey

  • Nationality : Turkish

  • Marital Status : Married and has one daughter


Hobbies:

  • Playing Guitar, Computer, Reading History Books, Watching Movie, Listening Music, Swimming, Playing Tennis