Dr. Ivan Michieli

Rudjer Boskovic Institute
Division of Electronics
Laboratory for Stochastic Signals and Processes Research
Bijenicka 54, 10 000 Zagreb, Croatia
Phone: (+385)(1) 4561 023
Fax: (+385)(1) 4680 090
E-mail: michieli@rudjer.irb.hr

Research
Curriculum vitae
Selected Publications

Research

Main fields of interest:

a) 1986-1994 Probabilistic Safety Assessment in Nuclear Power Plants

NPP safety systems and functions
Nuclear components reliability data collection
Fault and event tree analysis

b) 1992-present Mathematical Methods in Radiation Shielding

Gamma-Ray shielding design and analysis
Point kernel integration techniques
Buildup factors data approximation
Special functions series representation and approximation

c) 2000-present Nonlinear dynamics

Chaotic Time Series Analysis
Strange attractors reconstruction methods
Dimension calculations and determination
Noisy data analysis

International Projects:

1987. - 1990. Joint Fund Project YU - US JFP 560/DOE under title “Probabilistic Risk Assessment of Nuclear Power Plant in Highly Populated Areas”.

1990. - 1992. Project P-1A1482 "Probabilistic Safety Analysis of Nuclear Power Plant Krško" in cooperation with IAEA (International Atomic Energy Agency-Vienna) and Institut "Jozef Stefan" Ljubljana.

1992. - 1994. NPP Krško Individual Plant Examination Project - Level 1, in cooperation with Westinghouse Energy Systems Europe S.A., Institut "Jozef Stefan", Ljubljana and Faculty of Electrical Engineering, Zagreb.

Croatian Ministry of Science and Technology-Projects:

1991. - 1995. : "Analysis and measurement of stochastic signals and processes",

1996 - 2001. :"Signals and data analysis optimization in diagnostic procedures",

2002 - present. :"Stochastic signals and data sequence analysis".

2002 - present. : HITRA - TEST Projekt; "Razvoj novog tipa elektrokemijskog senzora i uređaja za mjerenje reaktivnih čestica" (No. 07-MT-020).

Curriculum vitae

Born: 16st March 1952, Zagreb, Croatia

Education:

1976. BSc in Mechanical Engineering .
Faculty of Mechanical Engineering, University of Zagreb, Croatia.
1988. MSc in Nuclear Engineering.
Faculty of Mechanical Engineering, University of Zagreb, Croatia.
Master Thesis: "Critic Evaluation and Examination of Buildup Factors with Gamma-Ray Spectrum Calculation in Shielding Materials".
1996. PhD in Nuclear Engineering.
Faculty of Mechanical Engineering, University of Zagreb, Croatia.
PhD Thesis: "Approximation of the Gamma-Ray Buildup Factor Data by the Expanded Polynomial Functions".

Employment

Since 1986. Rudjer Boskovic Institute, Zagreb, Croatia.

current position: research associate

Other

1992.: participate in expert mission for International Project P-1A1482: IAEA-Vienna (from 23. to 28. 02).

1993. - : Croatian Nuclear Society (HND) membership.

1995.- : reviewer for "Radiation Physics and Chemistry" in the field of Radiation Shielding and Safety.

Leisure

Sci-Fiction, Nanbudo , cycling , skiing

Publications

I Papers published in international journals :

1. Michieli Ivan : The use of an Expanded Polynomial Orthogonal Set in Approximations to Gamma-Ray Buildup Factor Data. Nuclear Science & Engineering, Vol. 117., No. 2., pp. 110-120 , June 1994.

2. Michieli Ivan, Maksimović Aleksandar : Legendre Expansion Related to the Hubbell Rectangular Source Integral. Radiation Physics and Chemistry, Vol. 47., No.6, pp. 779-784, 1996.

3. Michieli Ivan : Point Kernel Calculation of Dose Fields from Line Sources Using Expanded Polynomial Form of Buildup Factor Data :Generalized Secant Integral - Series Representation. Radiation Physics and Chemistry, Vol. 51., No.2, pp. 121-128, 1998.

4. Michieli Ivan : Some properties of generalized secant integrals: extended definition and recurrence relations. Radiation Physics and Chemistry, Vol. 60., No.6, pp. 551-554, 2001.

5. Michieli Ivan, Božidar Vojnović : On Reconstruction of Strange Attractors Using their Noise Related Directional Properties. Signal Processing, Vol. 82., No. 10., pp. 1443-1453, 2002.

6. Michieli Ivan, Božidar Vojnović : Detecting Noise in Chaotic Signals through Principal Component Matrix Transformation. Journal of Computing and Information Technology - CIT, Vol. 11.,No.1, 2003.).

7. Maksimović Aleksandar, Lugomer Stjepan, Michieli Ivan : Multisolitons on Vortex Filaments : The Origin of Axial Tangling. Journal of Fluids and Structures, Vol. 17, No.2, pp. 317 - 330, 2003.

II Papers published in international conferences’ proceedings :

1. Michieli Ivan : Dose Fields from Plane Sources using Buildup Data in the form of an Expanded Polynomial Set. Proceedings of International Conference “Nuclear Option in Countries with Small and Medium Electricity Grid”. Opatija, Croatia, October 1996, pp. 455-462.

2. Michieli Ivan : Interpolation of Gamma-Ray Buildup Factors for Arbitrary Source Energies in the Vicinity of the K- edge. Proceedings of the 2^nd International Conference “Nuclear Option in Countries with Small and Medium Electricity Grid”. Dubrovnik, Croatia, June 1998., pp. 422-428.

3. Michieli Ivan : Analytic Approximation to Radiation Fields from Line Source Geometry. Proceedings of the 3^rd International Conference “Nuclear Option in Countries with Small and Medium Electricity Grid”. Dubrovnik, Croatia, June 2000, pp. 495-500.

4. Michieli Ivan, Vojnović Božidar : A Method of Noisy Time-Series Characterization using Singular Value Decomposition. Proceedings of the XXV International Conference MIPRO – 2002, Opatija, Croatia , May, 2002, pp. 32-36.

III List of technical reports - international projects :

1. Michieli Ivan, Dražen Dupor : NPP Krško - IPE Project, Component Cooling System Notebook. Technical Report ; Ruđer Bošković Institute, Zagreb, July 1993., 138 pp. Contractor: Westinghouse Energy Systems Europe S.A.

2. Dupor Dražen, Michieli Ivan : NPP Krško - IPE Project, Essential Service Water System Notebook. Technical Report; Ruđer Bošković Institute, Zagreb, July 1993., 96 pp. Contractor : Westinghouse Energy Systems Europe S.A.

3. Michieli Ivan, Dupor Dražen : NPP Krško - IPE Project , Plant Specific Data for Internal Initiating Events. Technical Report; Ruđer Bošković Institute, Zagreb, October 1992., 40 pp. Contractor: Westinghouse Energy Systems Europe S.A.

4. Michieli Ivan, Hegeduš Damir, Vojnović Božidar: Essential Service Water System Fault Trees Rev. 3. Technical Report; Ruđer Bošković Institute, Zagreb, 1992, 35 pp. Contractor: Nuclear Power Plant - Krško.

5. Michieli Ivan, Vojnović Božidar: Component Cooling System Fault Trees Rev. 3. Technical Report; Ruđer Bošković Institute, Zagreb, 1992, 25 pp. Contractor: Nuclear Power Plant - Krško.

6. Košutić Ivan, Michieli Ivan, Hegeduš Damir, Vojnović Božidar : Failure mode and Effect analysis CCS/ESWS Rev.2. Technical Report; Ruđer Bošković Institute, Zagreb, 1992, 24 pp. Contractor : Nuclear Power Plant - Krško.

7. Košutić Ivan, Michieli Ivan, Hegeduš Damir, Vojnović Božidar: Failure mode and Effect analysis - ESWS Rev. 1. Technical Report; Ruđer Bošković Institute, Zagreb, 1991, 7 pp. Contractor : Nuclear Power Plant - Krško.