Wiącek Joanna

Wiącek Joanna

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PhD Wiącek Joanna
Room: B127
E-mail: j.sykut@ipan.lublin.pl
Phone: (81) 744 50 61 w. 181

Department and laboratory

Department: Department of Physical Properties of Plant Materials

Laboratory: Laboratory of Mechanics of Granular Materials


Research interests:

  • Mechanical properties of granular plant materials
  • Discrete element modelling of mechanical processes in granular materials

Other information

Education (dates, degrees, universities):

  • 2004    MSc in Physics
    Faculty of Mathematics, Physics and Chemistry, Maria Curie-Skłodowska University in Lublin, Poland
    MSc thesis: “Tempearture dependence of nuclear shell energies”
  • 2008    PhD in Agricultural Sciences (Agronomy-Agrophysics)
    Institute of Agrophysics PAS, Lublin, Poland
    Dissertation: “Modeling of quasi-static effects in grain bedding using discrete element


  • The Polish Society of Agrophysics


  1. 2019, Tensile strength of pressure-agglomerated potato starch determined via diametral compression test: Discrete element method simulations and experiments, Biosystems Engineering, 183, str. 95-109, DOI: 10.1016/j.biosystemseng.2019.04.019
  2. 2019, Mechanical characteristics of pine biomass of different sizes and shapes, European Journal of Wood and Wood Products, DOI: 0.1007/s00107-019-01415-w
  3. 2018, Effect of trimodality on structural and mechanical properties of granular packings with different particle size ratios and particle size fractions, 41st Solid Mechanics Conference (SolMech) Warszawa, 27-31.08.2018 r., str. 186-187
  4. 2018, Numerical analysis of compression mechanics of granular packings with various number of particle size fractions, 2-nd Workshop on Porous Media, Olsztyn, 28-30.06.2018 r., str. 54
  5. 2018, Outflow of mixtures of spheres and cylinders through horizontal orifices. Experimental and DEM simulations, 12th International Conference on Agrophysics: Soil, Plant & Climate, Lublin 17-19.09.2018 r., str. 160
  6. 2018, Discrete Element Method modelling of diametral compression of starch tablets, 12th International Conference on Agrophysics: Soil, Plant & Climate, Lublin 17-19.09.2018 r., str. 61
  7. 2018, Selection of material for X-ray tomography analysis and DEM simulations: comparison between granular materials of biological and non-biological origins, Granular Matter, 20(38): 1-14
  8. 2018, Effect of the particle size ratio on the structural properties of granular mixtures with discrete particle size distribution, Granular Matter, 20:31, DOI: 0.1007/s10035-018-0800-7
  9. 2018, Effect of aspect ratio on the mechanical behavior of packings of spheroids, Physica A-Statistical Mechanics and its Applications, 501: 1-11
  10. 2018, Effect of number of granulometric fractions on structure and micromechanics of compressed granular packings, Particuology, 39: 88-95
  11. 2018, Numerical analysis of compression mechanics of highly polydisperse granular mixtures with different PSD-s, Granular Matter, 20:17; DOI: 10.1007/s10035-018-0788-z
  12. 2017, Discrete Element Method for engineering application: modelling of granular materials transported on conveyor belt, 2nd International Conference of Computational Methods in Engineering Science CMES, Lublin, Poland, 23-25.11.2017,
  13. 2017, Discharge of spheres, cylinders and their mixtures from cylindrical bin. Experiments and DEM simulations, 10th World Congress of Chemical Engineering, Barcelona, Spain, 1-5.10.2017,
  14. 2018, Characterization of shear behaviour in consolidated granular biomass, Powder Technology, 327: 120-127
  15. 2017, Breaking tester for examining strength of consolidated starch, International Agrophysics, Vol. 31(2): 251-258
  16. 2017, Effect of particle size ratio and contribution of particle size fractions on micromechanics of uniaxially compressed binary sphere mixtures, Granular Matter, Vol. 19 (34), DOI: 10.1007/s10035-017-0719-4
  17. 2016, Pressure distribution in an assembly of wooden cylinders with various aspect ratios under uniaxial confined compression, Granular Matter, 18(2): 1-8
  18. 2017, Effective elastic properties and pressure distribution in bidisperse granular packings: DEM simulations and experiment, Archives of Civil and Mechanical Engineering, 2(7): 271-280
  19. 2017, Mechanical and combustion properties of sawdust-straw pellets blended in different proportions, Fuel Processing Technology, 156: 366-375
  20. 2016, Generacja złóż wirtualnych Metodą Elementów Dyskretnych, Granularne Ośrodki Porowate,
  21. 2016, Metoda Elementów Dyskretnych MED, 1st Workshop on Porous Media. Olsztyn, 1-3.07.2016 r. ,
  22. 2016, Representative elementary volume analysis of polydisperse granular packings using discrete element method, Particuology, 27: 88-94
  23. 2016, Geometrical parameters of binary granular mixtures with size ratio and volume fraction: experiments and DEM simulations, Granular Matter, 18(42): 1-10
  24. 2015, Uniaxial compression testing and DEM simulations of binary mixtures of spherical particles., 2015
  25. 2015, Geometrical and mechanical Representative Elementary Volumes for polydisperse granular materials., 2015
  26. 2014, Effect of particle size distribution on micro- and macromechanical response of granular packings under compression., International Journal of Solids and Structures, 2014, 514189-4195
  27. 2014, Effect of particle polydispersity on micromechanical properties and energy dissipation in granular mixtures., Particuology, 2014, 1691-99
  28. 2014, Microstructure and micromechanics of polydisperse granular materials: Effect of the shape of particle size distribution., Powder Technology, 2014, 268237-243
  29. 2014, Influence of the method of representing shape of oblong particle on results of DEM simulations of uniaxial compression of granular assembly., 2014, No.-162
  30. 2014, Influence of shape of particle size distribution on mechanics of uniaxially compressed granular packings., 2014
  31. 2013, DEM simulations of the frictional and frictionless polydisperse packings of the spheres under uniaxial compression, 2013, 715-725
  32. 2013, Effect of particle size distribution on the energy dissipation and mechanical response of packings of spheres under compressive loading, 2013, 118-118
  33. 2013, Effect of cohesion on the mechanical properties of polydisperse granular beddings, 2013, 69-69
  34. 2013, Oddziaływania w materiałach sypkich, 2013
  35. 2013, Effect of particie size distribution on the energy dissipation and mechanical response of packings of spheres under compressive loading, 2013
  36. 2013, Właściwości mechaniczne biomasy ziarnistej i włóknistej wykorzystywanej na cele energetyczne i do zakiszania, 2013
  37. 2013, Experiment and DEM modelling of powder slip-stick effect, 2013, 63-63
  38. 2012, Modelowanie metodą elementów dyskretnych procesów mechanicznych w ośrodkach rozdrobnionych, 2012, 88-89
  39. 2012, Experimental and numerical determination of representative elementary volume for granular plant materials., Granular Matter, 2012, 14449-456
  40. 2012, Influence of grain shape and intergranular friction on material behavior in uniaxial compression: Experimental and DEM modeling., Powder Technology, 2012, 217435-442
  41. 2012, Energia fal, 2012
  42. 2012, Magia materiałów sypkich, 2012
  43. 2012, Experimental and numerical studies on uniaxial compression behavior of slightly oblong particles at crossover from Quasi-2D to 3D, 2012
  44. 2011, Mechanical properties of granular agro-materials. Continuum and discrete approach., Acta Agrophysica Rozprawy i Monografie EN, 2011, 190(1): 1-152
  45. 2011, Wpływ szerokości próbki i kształtu cząstek na charakterystyki jednoosiowego ściskania złoża materiału sypkiego., Acta Agrophysica, 2011, 18(2): 399-408
  46. 2011, Variability of intergranular friction and its role in DEM simulation of direct shear of an assemmbly of rapeseeds., International Agrophysics, 2011, 25(4): 361-368
  47. 2011, Moisture-dependent physical properties of rapeseed – experimental and DEM modeling, International Agrophysics, 2011, 25(1): 59-65
  48. 2010, Simulation of the packing structure, load distribution and flow pattern in a 2-dimensional model silo using discrete element method, 2010
  49. 2009, Discontinuity, non-homogeneity and anisotropy in granular media., Annual Report Polish Academy of Sciences, 2009, 67-68
  50. 2009, Metoda wyznaczania współczynnika tarcia pomiędzy dwoma metalowymi i organicznymi obiektami., Acta Agrophysica, 2009, 167, Vol. 13(2), 407-418
  51. 2009, Wpływ właściwości fizycznych granul na sypkość proszków spożywczych., 2009
  52. 2009, Modelowanie elementarnych oddziaływań w obszarze kontaktu ziaren., 2009
  53. 2008, Influence of particle size variability on mechanical and geometrical properties of granular system., 2008
  54. 2008, Wpływ właściwości fizycznych granul na sypkość proszków spożywczych., 2008
  55. 2008, Modelowanie elementarnych oddziaływań w obszarze kontaktu ziaren., 2008