dr hab.  Ryszard  Jan  Piasecki



Institute of Physics
University of Opole
ul. Oleska 48
PL 45-052 Opole

room 184 A
phone (077) 452 72 85
www.fizyka.uni.opole.pl/piaser
email: Ryszard.Piasecki@uni.opole.pl


    Research interests

• Hybrid reconstruction of the structure of complex patterns by the use of the simulated annealing
• Entropic descriptors and multiscale analysis of systems of finite size objects
• Modelling microstructure/property relationships for random inhomogeneous materials
• Evolution of complex systems via cellular automaton rules

    Cooperation
    (Prof. Angel Plastino)
    Departamento de Fisica,
    Universidad Nacional de La Plata,
    La Plata, Argentina

    Publications

• R. Piasecki, W. Olchawa, D. Frączek, A. Bartecka,
  A Two-Stage Reconstruction of Microstructures with Arbitrarily Shaped Inclusions
  Materials 2020, 13, 2748, 10.3390/ma13122748
  [Special Issue Advances in Micromechanical Behavior of Materials]
  Issue Editor: Dr. Elena Ferretti
  arXiv:2004.02587v3 [cs.CE]
• ArkadiuszNiemczyk, KatarzynaDziubek, KrystynaCzaja, Daniel Frączek, RyszardPiasecki, StanisławRabiej, MichałDutkiewicz,
  Study and Evaluation of Dispersion of Polyhedral OligomericSilsesquioxane and Silica Filler in Polypropylene Composites
  Polymer Composites 40, Issue 4,1354-1364 (2019), 10.1002/pc.24866
• R. Piasecki, W. Olchawa, K. Smaga,
  Sensitivity to initial conditions in an extended activator-inhibitor model for the formation of patterns
  Acta Phys. Pol. B 49,961-979 (2018), 10.5506/APhysPolB.49.961
  arXiv:1804.06228v2 [ q-bio.CB ]
• R. Piasecki, W. Olchawa, D. Frączek, R. Wiśniowski,
  Statistical Reconstruction of Microstructures Using Entropic Descriptors
  Transp Porous Med (2018) 125, 105-125 (2018), 10.1007/s11242-018-1012-7
  [Special Issue Reconstruction of Porous Media and Materials and Its Applications]
  Issue Editors: PejmanTahmasebi, Muhammad Sahimi
  arXiv:1708.01147v2 [cond-mat.mtrl-sci]
• D. Frączek, R. Piasecki, W. Olchawa, R. Wiśniowski,
  Controlling spatial inhomogeneity in prototypical multiphase microstructures
  Acta Phys. Pol. B48, 1433-40 (2017)
  arXiv:1706.06880v3 [cond-mat.mtrl-sci]
• W. Olchawa, R. Piasecki, R. Wiśniowski, D. Frączek,
  Low-cost approximate reconstructing of heterogeneous microstructures
  arXiv:1603.07529v3 [cond-mat.stat-mech]
  Comput. Mater. Sci. 123, 26-30 (2016)
  
• D. Frączek, W. Olchawa, R. Piasecki, R. Wiśniowski,
  Entropic descriptor based reconstruction of three-dimensional porous microstructures using a single cross-section
  arXiv:1508.03857v2 [cond-mat.stat-mech]
  
• R. Wiśniowski, W. Olchawa, D. Frączek, R. Piasecki,
  On multi-scale percolation behaviour of the effective conductivity for the lattice model with interacting particles
  Physica A, 444, 799-807 (2016)
  arXiv:1506.05156v1 [cond-mat.stat-mech]
  
• W. Olchawa, R. Wiśniowski, D. Frączek, R. Piasecki,
  On multi-scale percolation behaviour of the effective conductivity for the lattice model
  Physica A, 424, 130-141 (2015)
  arXiv:1409.4611v2 [cond-mat.stat-mech]
  
• W. Olchawa, R. Piasecki,
  Speeding up of microstructure reconstruction: II. Application to patterns of poly-dispersed islands
  Comput. Mater. Sci., 98, 390-398 (2015)
  arXiv:1406.0037v2 [cond-mat.stat-mech]
  
• D. Frączek, R. Piasecki,
  Decomposable multiphase entropic descriptor
  Physica A 399, 75-81 (2014)
  arXiv:1309.1782v2 [cond-mat.stat-mech]
• R. Piasecki, W. Olchawa,
  Speeding up of microstructure reconstruction: I. Application to labyrinth patterns
  Modelling Simul. Mater. Sci. Eng. 20, 055003 (2012)
  arXiv:1109.3819v3 [cond-mat.stat-mech]
• R. Piasecki,
  Microstructure reconstruction using entropic descriptors
  Proc. R. Soc. A 467, 806-820 (2011)
  arXiv:0910.1955v5 [cond-mat.stat-mech]
• R. Piasecki, A. Plastino,
  Entropic descriptor of a complex behaviour
  Physica A 389, 397-407 (2010)
  arXiv:0902.2106v2 [cond-mat.stat-mech]
• R. Piasecki,
  Statistical mechanics characterization of spatio-compositional inhomogeneity
  Physica A 388, 4229-4240 (2009)
  arXiv:0903.4669v1 [cond-mat.stat-mech]
• R. Piasecki,
  Versatile entropic measure of grey level inhomogeneity
  Physica A 388, 2403-2409 (2009)
  arXiv:0809.0463v2 [cond-mat.stat-mech]
• R. Piasecki,
  A generalization of the inhomogeneity measure for point distributions to the case of finite size objects
  Physica A 387, 5333-5341 (2008)
  arXiv:cond-mat/0612401v3 [cond-mat.stat-mech]
• R. Piasecki,
  Extended quasi-additivity of Tsallis entropies
  Physica A 366, 221-228 (2006)
  arXiv:cond-mat/0507051v4 [cond-mat.stat-mech]
• R. Piasecki,
  Effective conductivity in a lattice model for binary disordered media with complex distributions of grain sizes
  physica status solidi (b) 236, 625-633 (2003)
  arXiv:cond-mat/0209092v3 [cond-mat.mtrl-sci]
• R. Piasecki, M.T. Martin, A. Plastino,
  Inhomogeneity and complexity measures for spatial patterns
  Physica A 307, 157-171 (2002)
  arXiv:cond-mat/0107471v3 [cond-mat.stat-mech]
• R. Piasecki, A. Plastino,
  Duality and spatial inhomogeneity
  Physica A 305/1-2, 113-118 (2002)
  arXiv:cond-mat/0107604v2 [cond-mat.stat-mech]
• Z. Garncarek, T. Majcherczyk, D. Potoczna-Petru, R. Piasecki,
  Application of relative configurational entropy as a measure of spatial inhomogeneity to Co/C film evolving along the temperature
  Journal of Materials Science Letters 19, 1369-1371 (2000)
  arXiv:cond-mat/0101144v1 [cond-mat.mtrl-sci]
• R. Piasecki,
  Detecting self-similarity in surface microstructures
  Surface Science 454-456, 1058-1062 (2000)
  arXiv:cond-mat/0008470v1 [cond-mat.stat-mech]
• R. Piasecki, A. Czaiński,
  Coarsened Lattice Spatial Disorder in the Thermodynamic Limit
  physica status solidi (b) 217, R10-11 (2000)
  arXiv:cond-mat/0008334v1 [cond-mat.stat-mech]
• R. Piasecki,
  Entropic measure of spatial disorder for systems of finite-sized objects
  Physica A 277/1-2, 157-173 (2000)
  arXiv:cond-mat/0008313v1 [cond-mat.stat-mech]
• Z. Garncarek, R. Piasecki,
  What is a physical measure of spatial inhomogeneity comparable to the mathematical approach?
  European Physical Journal Applied Physics 5, 243-249 (1999)
  arXiv:cond-mat/0005447v1 [cond-mat.stat-mech]
• R. Piasecki,
  Coarsened Lattice Model for Random Granular Systems
  physica status solidi (b) 209, 403-411 (1998)
  arXiv:cond-mat/0005386v2 [cond-mat.stat-mech]
• Z. Garncarek, R. Piasecki, J. Borecki, A. Maj, M. Sudoł,
  Effective conductivity in association with model structure and spatial inhomogeneity of polymer/carbon composites
  Journal of Physics. D: Appl. Phys. 29, 1360-1366 (1996)
  arXiv:cond-mat/0204057v1 [cond-mat.mtrl-sci]
• A. Czaiński, Z. Garncarek, R. Piasecki,
  Quantitative characterization of inhomogeneity in thin metallic films using Garncarek's method
  Journal of Physics D: Appl. Phys. 27, 616-622 (1994)
• R. Piasecki, Z. Ziembik, W. Wacławek, M. Ząbkowska-Wacławek,
  Composition Dependence of the Thermopower in (CuPc)Sakap 6 Mixtures: Yoshida Model
  physica status solidi (a) 128, K109-112 (1991)
• R. Piasecki, Z. Ziembik, W. Wacławek, M. Ząbkowska-Wacławek,
  Composition Dependence of the DC Conductivity in (CuPc)Sakap 6 Mixtures: Yoshida Model Application
  physica status solidi (a) 123, K145-148 (1991)
• R. Piasecki, M. Ząbkowska-Wacławek, W. Wacławek,
  An Explanation of Electrical Conductivity Data for Copper Phthalocyanine-Acetylene Carbon Black Mixtures
  physica status solidi (a) 108, 331-335 (1988)
• R. Piasecki,
  On the Possibility of First-Order Transitions in the Generalized Blume-Capel Model
  physica status solidi (b) 141, K57-59 (1987)
• R. Piasecki,
  Phase Diagrams of a Layered Magnet with Coupled Order Parameters
  physica status solidi (b) 120, K215-218 (1983)
• R. Piasecki,
  Generalized Model of an Anisotropic Ferromagnet with Two Spins per site. Magnetic Excitations
  physica status solidi (b) 108, K41-45 (1981)
• R. Piasecki,
  Anisotropic Ferromagnet with Two Spins per Site
  physica status solidi (b) 103, 547-557 (1981)

    Miscellanea

• R. Piasecki,
  Density of electron states in a rectangular lattice under uniaxial stress
  arXiv:0804.1037v2 [cond-mat.str-el]
• R. Piasecki,
  DIAGRAMY FAZOWE UKŁADU Z DWOMA PARAMETRAMI PORZĄDKU
  Zeszyty Naukowe WSP w Opolu, Chemia VIII, 109-120 (1987)