Deild:  


Yonatan Afework Tesfahunegn, lektor

Deild:Tæknisvið / Verkfræðideild 
Sími: 
Netfang:yonatantru.is 
Vefur:http://www.ru.is/starfsfolk/yonatant

Ferilskrá


Menntun

·         Ph.D. in Mechanical Systems Engineering from Politecnico di Milano, 2010

·         M.Sc. in Mechanical Engineering from Addis Ababa University, 2004

·         B.Sc. in Mechanical Engineering from Bahir Dar University, 2001.


Starfsferill

2013-present:                  Marie Curie Postdoctoral Fellow, School of Science and Engineering, Reykjavik University

2013(spring):                  Teaching Assistant, Reykjavik University

2013(Jan)-2013(Feb):     Feet Engineer, Össur Iceland 

2010-2012:                     Research Associate, Politecnico di Milano, Italy

2005-2006:                     Department Head of Mechanical Engineering, Arba Minch University, Ethiopia

2004-2006:                     Lecturer, Arba Minch University, Ethiopia

2002-2004:                     Assistant Lecturer, Arba Minch University, Ethiopia

2001-2002:                     Graduate Assistant, Arba Minch University, Ethiopia

 

Kennsluferill í HR

2020-1VT SVF1003Sveiflufræði
2019-3T-868-LISYLínuleg kvik kerfi
2019-1T-606-NUFFTöluleg straum- og varmaflutningsfræði
2019-1T-864-NUFFTöluleg straum- og varmaflutningsfræði
2018-3T-868-LISYLínuleg kvik kerfi
2018-1T-606-NUFFTöluleg straum- og varmaflutningsfræði
2018-1T-864-NUFFTöluleg straum- og varmaflutningsfræði
2017-3T-868-LISYLínuleg kvik kerfi
2017-3T-316-LABBMælikerfi
2017-1T-864-NUFFTöluleg straum- og varmaflutningsfræði
2017-1T-606-NUFFTöluleg straum- og varmaflutningsfræði
Meira...

Viðurkenningar og styrkir

2007:  PhD scholarship, Politecnico di Milano, Italy

2013:   People Marie Curie Actions, Intra-European Fellowships (IEF), Call: FP7-PEOPLE-2012-IEF, “Aerodynamic Shape Optimization by Physics-Based Surrogate”


Þjónusta

Profesional Organizations

Member, AIAA (American Institute of Aeronautics and Astronautics)

 Organization of conferences

International Conference on Computational Science (ICCS 2015), 1-3 June 2015, Reykjavik, Iceland. Program Committee member


Útgáfur

Journal Articles and Book Chapters

1.      L.Leifsson, S. Koziel, Y.A. Tesfahunegn, and A. Bekasiewicz, “Fast Multi-Objective Aerodynamic Optimization Using Space-Mapping-Corrected Multi-Fidelity Models and Kriging Interpolation,” In S. Koziel, L. Leifsson, and X.S. Yang (Eds.) Recent Advances in Simulation-Driven Modeling and Optimization, Springer-Verlag, Berlin, Germany, 2015.

2.      L. Leifsson, S. Koziel, and Y. A. Tesfahunegn, “Multi-objective aerodynamic optimization by variable-fidelity models and response surface surrogates," Accepted, AIAA Journal, 2015. 

3.      S. Koziel, Y.A. Tesfahunegn, and L. Leifsson, “Expedited Constrained Multi-Objective Aerodynamic Shape Optimization by Means of Physics-Based Surrogates," Submitted, Applied Mathematical Modelling, 2015

4.      S. Koziel, Y.A. Tesfahunegn, and L. Leifsson, “Variable-Fidelity CFD Models and Co-Kriging for Expedited Multi-Objective Aerodynamic Design Optimization," Submitted, Engineering Computations, 2015.

5.      S. Koziel, Y.A. Tesfahunegn, and L. Leifsson, “Cost-Efficient Multi-Objective Aerodynamic Optimization by Variable-Fidelity Models and Design Space Reduction," Submitted, Aerospace Science & Technology, 2015.

6.      L. Leifsson, S. Koziel, S. Hosder, and Y.A. Tesfahunegn, “Multi-Objective Aerodynamic and Aeroacoustic Shape Optimization Using Multi-Fidelity Surrogates," Submitted, Computers & Fluids, 2015

7.       H. Shah, S. Hosder, S. Koziel, and Y.A. Tesfahunegn, “Multi-fidelity robust aerodynamic design optimization under mixed uncertainty”, Aerospace Science and Technology, vol. 45, pp. 71-29, 2015.

8.      Y.A. Tesfahunegn, F. Rosa, and C. Gorla, “The effects of the shape of tooth profile modifications on the transmission error, bending, and contact stress of spur gears,” Proc. IMechE, Part C: J. Mechanical Engineering Science, 2010, 224 (C8), 1749-1758.

 

 Refereed Conference Papers

1.      S. Koziel, Y. A. Tesfahunegn, and L. Leifsson, and S. Koziel, “Rapid Multi-Objective Aerodynamic Design Using Co-Kriging and Space Mapping," Accepted, AIAA Aerospace Science and Technology Forum (AIAA SciTech), San Diego, CA, Jan 4-8, 2016.

2.      A. Amrit, A. Thelen, J. Ren, L. Leifsson, S. Koziel, and Y. A. Tesfahunegn, “Application of Multifdelity Optimization Techniques to Benchmark Aerodynamic Design Problems," Accepted, AIAA Aerospace Science and Technology Forum (AIAA SciTech), San Diego, CA, Jan 4-8, 2016.

3.      Y.A. Tesfahunegn, S Koziel, L Leifsson, and A Bekasiewicz “Surrogate-based Airfoil Design with Space Mapping and Adjoint Sensitivity,” Procedia Computer Science, vol. 51, pp. 795-804, 2015.

4.      I.M. Jonsson, L. Leifsson, S Koziel, and Y.A. Tesfahunegn Shape Optimization of Trawl-doors Using Variable-fidelity Models and Space Mapping,” Procedia Computer Science, vol. 51, pp. 905-913, 2015.

5.      Y.A. Tesfahunegn, S. Koziel, and L. Leifsson “ Adjoint-Enhanced Multi-Level Optimization: Investigation of Algorithm Parameter Settings,” 16th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, June 2015.

6.      Y.A. Tesfahunegn, S. Koziel, J.-R. Gramanzini, S. Hosder, Z.-H.Han, and L. Leifsson “Application of Direct and Surrogate-Based Optimization to Two-Dimesnsional Benchmark Aerodynamic Problems: A Comparative Study,”  53rd AIAA Aerospace Sciences Meeting , 2015.

7.      Y.A. Tesfahunegn, S. Koziel, and L. Leifsson “ Surrogate-Based Airfoil Design with Multi-Level Optimization and Adjoint Sensitivity,”  53rd AIAA Aerospace Sciences Meeting , January 2015.

8.      L Leifsson, S Koziel, Y.A. Tesfahunegn, and S HosderMulti-Objective Aeroacoustic Shape Optimization by Variable-Fidelity Models and Response Surface Surrogates,” 56th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, January 2015.

9.      H. Shah, S. Hosder,S. Koziel, L. Leifsson, and Y.A. Tesfahunegn  Multi-fidelity Robust Aerodynamic Design Optimization Under Mixed Uncertainty,” 17th AIAA Non-Deterministic Approaches Conference, January 2015.

10.  L. Leifsson, S. Koziel, Y. Tesfahunegn, S. Hosder, and J.-R. Gramanzini, “Aerodynamic Design Optimization: Physics-based Surrogate Approaches for Airfoil and Wing Design,” 52nd Aerospace Sciences Meeting, National Harbor, Maryland, Jan. 13-17, 2014.

11.   S. Koziel, L. Leifsson, and Y. Tesfahunegn, “Simulation-Driven Aerodynamic Shape Optimization with Automated Low-Fidelity Model Setup,”accepted, AIAA Aviation and Aeronautics Forum and Exposition (AVIATION), Atlanta, Georgia, June 16–20, 2014.

12.  Y. A. Tesfahunegn, F.Rosa, and C.Gorla, “The Influence of Profile Modifications on Root Stress,” Proceedings of MPT2009-Sendai, JSME International Conference on Motion and Power Transmissions, May 13-15, 2009, Matsushima Isles Resort, Japan, pp.407-412.

13.  Yonatan A., F.Rosa, and C.Gorla, “Influenza della forma delle modifiche di profilo sull’Errore di Trasmissione,” Organi di Trasmissione, Vol.4,April 2009, pp.84-88.

 

 Conference, Workshop and Seminar Presentations

1.      Y.A. Tesfahunegn, S Koziel, L Leifsson, and A Bekasiewicz, “Surrogate-based Airfoil Design with Space Mapping and Adjoint Sensitivity,” International Conference On Computational Science (Reykjavik, Iceland, June 1-3, 2015).

2.      Y.A.Tesfahunegn, “Simulation Driven Design,” Brown Bag Talk Series (Verkin Tala) at Reykjavik University, Reykjavik, Iceland, 27 May, 2015.

3.      Y.A. Tesfahunegn, L. Leifsson, and S. Koziel “ Aerodynamic Shape Optimization by Physics-Based Surrogate,”  Poster presentation organized by Rannis, Reykjavik, Iceland, 12 March, 2015.

4.      Y.A.Tesfahunegn, “How Things Fly,” Presentation at Hörðuvallaskóli Primary School 7- 9th grade students, Kopavogur, Iceland, 26 February, 2015.

5.      Y.A.Tesfahunegn, “Simulation Driven Design,” Presentation at Össur, Reykjavik, Iceland, 13 February, 2015.

6.      Y.A.Tesfahunegn, “How Things Fly,” Presentation at International School of Iceland for 4- 8th grade students, Garðabær, Iceland, 26 January, 2015.

7.      Y.A. Tesfahunegn, S. Koziel, and L. Leifsson “ Surrogate-Based Airfoil Design with Multi-Level Optimization and Adjoint Sensitivity,”  53rd AIAA Aerospace Sciences Meeting , Science and Technology Forum ( Kissimee, Florida, Jan 5-9,  2015).

8.      Y.A.Tesfahunegn, S.Koziel,L. Leifsson and F.Rosa “ Optimization of Gear Tooth Surfaces By Physics-Based Surrogates” Third International Workshop on Advances in Simulation-Driven Optimization and Modeling (ASDOM) (Reykjavik University, Iceland, August 8-10, 2014).

9.      Y.A.Tesfahunegn, S.Koziel, and L. Leifsson  “ Aerodynamic Shape Optimization by Physics-Based Surrogates”   Euro Science Open Forum (ESOF) Marie Skłodowska-Curie Actions (MSCA) Conference (Copenhagen, Denmark , June 19-20, 2014).

10.  S. Koziel , L. Leifsson, and Y.A. Tesfahunegn “Aerodynamic Shape Optimization Using Space Mapping,” Second International Workshop on Advances in Simulation-Driven Optimization and Modeling (ASDOM) (Reykjavik University, Iceland, August 9-10, 2013).

11.  Yonatan A. Tesfahunegn, F.Rosa, C.Gorla, The Influence of Profile Modifications on Root Stress,” MPT2009-Sendai, JSME International Conference on Motion and Power Transmissions, May 13-15, 2009, Matsushima Isles Resort, Japan.