Michal Mrozowski

Professor:

Department of Electronics
Technical University of Gdansk
ul. Narutowicza 11/12, 80-952 Gdansk, Poland room: 706, tel: (048 58) 347 2549
fax: (048 58) 347 1228
email:mim@pg.gda.pl

• Biographical Information
• Research interests and current projects
• Selected Publications

Biographical information :

From 1984 to 1986, I was a Research Assistant in the Polish Academy of Sciences, and continued in the same position till 1988 with the Technical University of Gdansk. Between 1988 and 1989 I was a Visiting Research Fellow at the University College in London, England. After receiving my Ph.D. I became a Lecturer (equivalent to our Assistant Professor) at the Technical University of Gdansk, where in 1994 I was promoted to a Reader (Associate Professor) and in 1996 obtained my post as a Professor.

I received several awards and other means of professional recognition. Notably, in 1990 the nomination for the membership in the Electromagnetics Academy (at MIT); in 1995 the Prime Minister's Prize for the outstanding habilitation dissertation; an award for excellence in research from the Polish Academy of Sciences 1987; the Ministry of Education award in 1990; the British Council Fellowship (1988-1989) and the Canadian Advance Science Institute Fellowship (1996). I have been the Principal Investigator of several large national and international projects such as the Polish Ministry of Education research grant "Application of electromagnetics in telecommunications", Polish Coordinator of an European Union teaching project "Microwaves and Optical Communications", the contractor and the principal investigator of the Polish Scientific Research Committee grant "Analysis of electromagnetic fields in time domain", the US Army research grant "Solution of Maxwell's equations using method of moments in time domain", and the Polish Scientific Research Committee grant "Fast procedures for highly absorbing boundary conditions in time domain". Currently I am running two projects: one funded by the Polish Scientific Research Committee entitled "Fast algorithms for modelling of electromagenetic fields" and a second funded by European Union under the framework of the CRIT-2 programe entitled "ACADEMy - Advanced Computational Algorithms for Design of Electromagnetic Circuts". I also supervise all projects of my junior colleagues.

I am a member of Electromagnetics Academy and a member of the IEEE MTT society (actually I am currently a vice-president of the Poland Joint AP/AES/MTT Chapter so you may want to have a look at our unofficial web page (in Polish). I regularly review for the IEEE Microwave and Guided Wave Letters and do occasional reviews for the IEEE Transaction of MTT and AP.

Research interests and current projects (1994-1997):

I work mainly within the area of computational electromagnetics and electromagnetic field theory. In the former I concentrate on the development of fast algorithms for the analysis of complex two and three dimensional problems in time and frequency domains. In the latter I research guided wave propagation. I have my favorite topic in this area which is the complex modes. Since I have now acces to parallel computers I sometimes also go on errands into the realm of high performance computing. My accomplishments in the electromagnetic field theory have been collected in a book entitled "Guided Electromagnetic Waves" which was published by the Research Studies Press and is available from J.Wiley and Sons. As for the fast algorithms I have not found time yet to publish anything in a coordinated form. Here are topics that I have recently been involved in (vist also our research page.

ACADEMy - Advanced Computational Algorithms for Design of High Speed Electromagnetic Circuits

Hybrid techniques in the explicit time domain algorithms:

The project combines the eigenfunction expansion techniques with the FDTD. FDTD is used only in the part of the computational volume, especially in the vicinity of large field gradients. Outside these regions field are represented by series of eigenfunctions of Laplace operator. The new technique can be used for solving problems defined within a partially closed regular computational domain. The hybrid algorithm offers significant acceleration compared to a traditional FDTD and has been applied to MMIC transmission lines and circularly cylindrical structures.

Fast highly dispersive absorbing boundary conditions for time domain modeling of waveguide components:

The transfer function corresponding to an ABC is constructed in a systematic way using the digital filter model. Filter prototypes based on the pole-zero model, Laguerre and Kautz polynomials are being investigated. All three models give fast recursive expression for the calculation of the convolutions integrals. The ABCs developed so far offer 20-30 dB improvement over the PML.

Application of Krylov methods for solution of electromagnetic problems using shared memory MIMD architectures:

This project concentrates on the investigation of algorithms which are capable of taking advantage of the memory hierarchy characteristic for recent shared memory MIMD architectures (eg. SGI Power Challenge). It has been found that not only do Krylov based methods parallelize well but also can make efficient use of the L2 cache. As a result one observes a super linear speedup on multiprocessor systems equipped with large cache memory.

Selected Publications :

1. M. Mrozowski, "Guided Electromagnetic Waves - Properties and analysis" , Research Studies Press, Taunton, 1997.
2. M. Mrozowski, M. Niedzwiecki, and P. Suchomski, "Fast procedures for highly dispersive absorbing boundary conditions," IEEE MTT-S Symposium Digest, 1995, Orlando, FL., USA, pp. 801-804.
3. M. Mrozowski, and M. Okoniewski, "An accelerated vector wave equation algorithm for the time domain analysis of guided waves problems in MMICs," Progress in Electromagnetics Research Symposium Digest, Seattle, USA, 1995, paper M.2, p.177.
4. M. Mrozowski, M. Niedzwiecki, and P. Suchomski, "A fast recursive highly dispersive absorbing boundary condition using time domain diakoptics and Laguerre polynomials," IEEE Microwave and Guided Wave Letters, vol.5, June 1995, pp. 183-185.
5. M. Mrozowski, "A Hybrid PEE-FDTD Algorithm for Accelerated Time Domain Analysis of Electromagnetic Waves," IEEE Microwave and Guided Wave Letters, vol.4, Oct. 1994, pp. 323-325.
6. M. Mrozowski, "Function expansion algorithms for the time domain analysis of shielded structures supporting electromagnetic waves," J. of Numerical Modeling, vol.7, April 1994, pp. 77-84.
7. M. Mrozowski, "Stability Condition for the Explicit Algorithms of the Time Domain Analysis of Maxwell's equations," IEEE Microwave and Guided Wave Letters, vol.4, Aug. 1994, pp. 279-281.