Bogdan Cranganu-Cretu

ABB Switzerland Ltd. Corporate Research, Baden-Daettwil, Elveţia

Pagina web a instituţiei: http://www.abb.com
Pagina web personală: http://faraday.elth.pub.ro
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Născut(ă) în 1968

Interese: Electromagnetism, Metode numerice

Detalii:
Summary of experience
ˇ Seven years of experience in research activity in electromagnetic field analysis of which the last two focused on Non-destructive evaluation techniques based on electromagnetism (Eddy current testing and Magnetic Flux leakage testing). Developed parts for software analyzing the direct problem.
ˇ For three years researched on the field of high frequency electromagnetic field computation. Developed a 3-D code based on FEM using both nodal and edge elements computing electric field in microstrip structures as well as transfer parameters.
ˇ Strong experience in developing numerical analysis software for both low and high frequency electromagnetic field. Highly familiar with FEM and BEM method.
ˇ Over 30 papers published in international journals and proceedings of international conferences.

Highlights of experience
September 2004 - present - Scientist with ABB Corporate Research, with the group of Power Device Modelling. Involved mainly in electromagnetic simulations of power devices but also in coupled electro-tehrmo-mechanical simulaitons.
September 2002 – August 2004 – Marie Curie Post Doctoral Fellow with ABB Corporate Research Center Germany. Involved in electromagnetic field simulations based on boundary elements method.
October 2001 – September 2002 – Lecturer, then Associate professor, Department of Electrical Engineering, POLITEHNICA University of Bucharest, Romania
ˇ Developed parts of 3D FEM based code (edge elements) for eddy currents problem (using Fortran90)
ˇ Taught courses on Non Destructive Testing in Electromagnetic Field and of Data Management.
April 2000 – October 2001 Research Staff, Japan Society of Applied Electromagnetic and Mechanics, Tokyo, Japan
ˇ Developed numerical software application for Magnetic Flux Leakage testing simulations
ˇ Involved in simulations (forward and inverse problem) for Eddy Current Testing.
ˇ Developed application for Text Abstraction (used PERL under Linux).
Oct. 1992 – Dec. 1999 – (Oct. 1992 – Feb. 1999 Teaching assistant) Lecturer, Department of Electrical Engineering, POLITEHNICA University of Bucharest, Romania
ˇ Developed a FEM based 3D application for parameter computation of passive microstrip circuits.
ˇ Research on planar microwave circuits 2-D models. Developed 2-D FEM code.
ˇ Taught course on microwave circuits, focused on electromagnetic field analysis.
ˇ Supervised student projects in electromagnetic field numerical analysis.

Education

Sep. 1993 - Jul. 1999 Doctoral Program at the POLITEHNICA University of Bucharest, Department of Electrical Engineering
ˇ March2000- Ph.D. diploma awarded for the public defense of the thesis “Passive microwave circuits”
Sep. 1993 - Aug. 1994 – Post graduate school of CAD for Electromagnetic devices, POLITEHNICA University of Bucharest.
Sep. 1987 – Jun. 1992 – Faculty of Electrical Engineering, POLITEHNICA University of Bucharest, Romania, Master course
ˇ Sep 1992 – Graduated 9th out of 250 students.

Stages abroad

ˇ Dec. 1999 – Mar. 2000 – Research stage, Tohoku University, Sendai Japan. Advisor Prof. T. Takagi. Set up an incipient database to apply KDD techniques for the NDE domain.
ˇ Dec. 1996 – Jul. 1997 – Doctoral stage, Dip. Of Electronics Eng., Istituto Politecnico di Torino. Advisor Prof. G. Ghione. Developed 2D FEM code for waveguide analysis using edge elements.
ˇ Apr. 1994 – Sep. 1994 – Research stage, Dip. Of Electrical Eng., Universita di Genova. Advisor Prof. G. Molinari. Developed routines for a low frequency FEM code.
ˇ Apr. 1992 – Aug. 1992 – Master Thesis stage. Dip. Of Physics, Istituto Politecnico di Torino. Advisor Prof. G. Barbero. Thesis on Impedance spectroscopy of liquid crystals.

Publicaţii relevante:
• 2. B. Cranganu-Cretu, R. Hiptmair and Z. Andjelic, . Transmission Through Arbitrary Apertures in Metal-Coated Dielectric Bodies. IEEE Transaction on Magnetics, 41, 2005.
• 1. B. Cranganu-Cretu, R. Hiptmair. Direct boundary integral equation method for electromagnetic scattering at partly coated dielectric bodies. Computation and Visualization in Science, 2005.
• B. Crânganu-Creţu, F. I. Hănţilă, G. Preda, Z. Chen, K. Miya. Direct computation of static difference magnetic field in nonlinear magnetic materials and application to shape reconstruction of damaged areas in aging materials. IEEE TRansaction on Magnetics, Vol 38 No. 2, pp. 1073-1076, 2002.

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