Prof. Jerzy Rojek, PhD, DSc |
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Doctoral thesis
1993-01-21 | Numeryczna analiza nieliniowych zagadnień mechaniki konstrukcji złożonych z części odkształcalnych i sztywnych: zastosowanie do analizy kabin ciągników
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2008-10-02 | Modelowanie i symulacja komputerowa złożonych zagadnień mechaniki nieliniowej metodami elementów skończonych i dyskretnych |
2017-09-28 | Title of professor |
1. | 2024-04-16 co-supervisor |
Barros Guilherme (University of Newcastle) |
Fully dynamic coupling of the boundary and discrete element method for the simulation of large-scale geotechnical problems | |||
2. | 2019-11-28 | Madan Nikhil | New formulation of the discrete element method with deformable particles | |||
3. | 2016-02-25 | Nosewicz Szymon | Discrete element modeling of powder metallurgy processes | |||
4. | 2012-07-29 | González Carlos Andrés Labra (UPC - BarcelonaTech) |
Advances in the development of the discrete element method for excavation processes |
Recent publications
1. |
Kaszyca K.♦, Marcin C.♦, Bucholc B., Błyskun P.♦, Nisar F., Rojek J., Zybała R.♦, Using the Spark Plasma Sintering System for Fabrication of Advanced Semiconductor Materials,
Materials, ISSN: 1996-1944, DOI: 10.3390/ma17061422, Vol.17, No.1422, pp.1-15, 2024 Abstract: Keywords:
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2. |
Barros G.♦, Andre P.♦, Rojek J., Carter J.♦, Thoeni K.♦, Time domain coupling of the boundary and discrete element methods for 3D problems,
COMPUTATIONAL MECHANICS, ISSN: 0178-7675, DOI: 10.1007/s00466-024-02455-7, pp.1-19, 2024 Abstract: Keywords:
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3. |
Nisar F., Rojek J., Nosewicz S., Kaszyca K.♦, Chmielewski M.♦, Evaluation of effective thermal conductivity of sintered porous materials using an improved discrete element model,
POWDER TECHNOLOGY, ISSN: 0032-5910, DOI: 10.1016/j.powtec.2024.119546, Vol.437, pp.119546, 2024 Abstract: Keywords:
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4. |
Nisar F., Rojek J., Nosewicz S., Szczepański J., Kaszyca K.♦, Chmielewski M.♦, Discrete element model for effective electrical conductivity of spark plasma sintered porous materials,
Computational Particle Mechanics, ISSN: 2196-4378, DOI: 10.1007/s40571-024-00773-4, pp.1-11, 2024 Abstract: Keywords:
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5. |
Barros G.♦, Pereira A.♦, Rojek J., Carter J.♦, Thoeni K.♦, Efficient multi-scale staggered coupling of discrete and boundary element methods for dynamic problems,
COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING, ISSN: 0045-7825, DOI: 10.1016/j.cma.2023.116227, Vol.415, pp.1-28, 2023 Abstract: Keywords:
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6. |
Barros G.♦, Sapucaia V.♦, Hartmann P.♦, Pereira A.♦, Rojek J., Thoeni K.♦, A novel BEM-DEM coupling in the time domain for simulating dynamic problems in continuous and discontinuous media,
COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING, ISSN: 0045-7825, DOI: 10.1016/j.cma.2023.116040, Vol.410, pp.1-25, 2023 Abstract: Keywords:
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7. |
Jočbalis G.♦, Kačianauskas R.♦, Borodinas S.♦, Rojek J., Comparative numerical study of rate-dependent continuum-based plasticity models for high-velocity impacts of copper particles against a substrate,
INTERNATIONAL JOURNAL OF IMPACT ENGINEERING, ISSN: 0734-743X, DOI: 10.1016/j.ijimpeng.2022.104394, Vol.172, pp.1-14, 2023 Abstract: Keywords:
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8. |
Hartmann P.♦, Thoeni K.♦, Rojek J., A generalised multi-scale Peridynamics–DEM framework and its application to rigid–soft particle mixtures,
COMPUTATIONAL MECHANICS, ISSN: 0178-7675, DOI: 10.1007/s00466-022-02227-1, Vol.71, pp.107-126, 2023 Abstract: Keywords:
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9. |
Nosewicz S., Jurczak G., Chromiński W.♦, Rojek J., Kaszyca K.♦, Chmielewski M.♦, Combined EBSD and Computer-Assisted Quantitative Analysis of the Impact of Spark Plasma Sintering Parameters on the Structure of Porous Materials,
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, ISSN: 1073-5623, DOI: 10.1007/s11661-022-06821-z, Vol.53, pp.4101-4125, 2022 Abstract:
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10. |
Nosewicz S., Jurczak G., Wejrzanowski T.♦, Ibrahim S.H.♦, Grabias A.♦, Węglewski W., Kaszyca K.♦, Rojek J., Chmielewski M.♦, Thermal conductivity analysis of porous NiAl materials manufactured by spark plasma sintering: Experimental studies and modelling,
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, ISSN: 0017-9310, DOI: 10.1016/j.ijheatmasstransfer.2022.123070, Vol.194, pp.123070-1-19, 2022 Abstract: Keywords:
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11. |
Rojek J., Kasztelan R., Tharmaraj R., Discrete element thermal conductance model for sintered particles,
POWDER TECHNOLOGY, ISSN: 0032-5910, DOI: 10.1016/j.powtec.2022.117521, Vol.405, pp.117521-1-10, 2022 Abstract: Keywords:
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12. |
Barros G.♦, Pereira A.♦, Rojek J., Thoeni K.♦, DEM-BEM coupling in time domain for one-dimensional wave propagation,
Engineering Analysis with Boundary Elements, ISSN: 0955-7997, DOI: 10.1016/j.enganabound.2021.10.017, Vol.135, pp.26-37, 2022 Abstract: Keywords:
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13. |
Rojek J., Nosewicz S., Thoeni K.♦, 3D formulation of the deformable discrete element method,
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING, ISSN: 0029-5981, DOI: 10.1002/nme.6666, pp.3335-3367, 2021 Abstract: Keywords:
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14. |
Marijnissen M.J., Graczykowski C., Rojek J., Simulation of the comminution process in a high-speed rotor mill based on the feed's macroscopic material data,
Minerals engineering, ISSN: 0892-6875, DOI: 10.1016/j.mineng.2020.106746, Vol.163, pp.106746-1-11, 2021 Abstract: Keywords:
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15. |
Nosewicz S., Rojek J., Chmielewski M.♦, Discrete element framework for determination of sintering and postsintering residual stresses of particle reinforced composites,
Materials, ISSN: 1996-1944, DOI: 10.3390/ma13184015, Vol.13, No.18, pp.4015-1- 20, 2020 Abstract: Keywords:
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16. |
Madan N., Rojek J., Nosewicz S., Convergence and stability analysis of the deformable discrete element method,
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING, ISSN: 0029-5981, DOI: 10.1002/nme.6014, Vol.118, No.6, pp.320-344, 2019 Abstract: Keywords:
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17. |
Rojek J., Madan N., Nosewicz S., Micro–macro relationships in the simulation of wave propagation phenomenon using the discrete element method,
Materials, ISSN: 1996-1944, DOI: 10.3390/ma12244241, Vol.12, No.24, pp.4241-1-22, 2019 Abstract: Keywords:
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18. |
Nosewicz S., Rojek J., Chmielewski M.♦, Pietrzak K., Discrete element modeling of intermetallic matrix composite manufacturing by powder metallurgy,
Materials, ISSN: 1996-1944, DOI: 10.3390/ma12020281, Vol.12, No.2, pp.281-1-18, 2019 Abstract: Keywords:
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19. |
Rojek J., Lumelskyj D., Nosewicz S., Romelczyk-Baishya B.♦, Numerical and experimental investigation of an elastoplastic contact model for spherical discrete elements,
Computational Particle Mechanics, ISSN: 2196-4378, DOI: 10.1007/s40571-018-00219-8, Vol.6, No.3, pp.383-392, 2019 Abstract: Keywords:
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20. |
Nosewicz S., Rojek J., Wawrzyk K.♦, Kowalczyk P., Maciejewski G.♦, Maździarz M., Multiscale modeling of pressure-assisted sintering,
COMPUTATIONAL MATERIALS SCIENCE, ISSN: 0927-0256, DOI: 10.1016/j.commatsci.2018.10.001, Vol.156, pp.385-395, 2019 Abstract: Keywords:
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21. |
Rojek J., Zubelewicz A.♦, Madan N., Nosewicz S., The discrete element method with deformable particles,
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING, ISSN: 0029-5981, DOI: 10.1002/nme.5767, Vol.114, No.8, pp.828-860, 2018 Abstract: Keywords:
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22. |
Maździarz M., Rojek J., Nosewicz S., Molecular dynamics study of self-diffusion in stoichiometric B2-NiAl crystals,
Philosophical Magazine, ISSN: 1478-6435, DOI: 10.1080/14786435.2018.1480838, Vol.98, No.24, pp.2257-2274, 2018 Abstract: Keywords:
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23. |
Lumelskyj D., Rojek J., Tkocz M.♦, Detection of strain localization in numerical simulation of sheet metal forming,
ARCHIVES OF CIVIL AND MECHANICAL ENGINEERING, ISSN: 1644-9665, DOI: 10.1016/j.acme.2017.08.004, Vol.18, No.2, pp.490-499, 2018 Abstract: Keywords:
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24. |
Labra C.♦, Rojek J., Oñate E.♦, Discrete/Finite Element Modelling of Rock Cutting with a TBM Disc Cutter,
Rock Mechanics and Rock Engineering, ISSN: 0723-2632, DOI: 10.1007/s00603-016-1133-7, Vol.50, pp.621-638, 2017 Abstract: Keywords:
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25. |
Nosewicz S., Rojek J., Chmielewski M.♦, Pietrzak K., Discrete element modeling and experimental investigation of hot pressing of intermetallic NiAl powder,
ADVANCED POWDER TECHNOLOGY, ISSN: 0921-8831, DOI: 10.1016/j.apt.2017.04.012, Vol.28, No.7, pp.1745-1759, 2017 Abstract: Keywords:
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26. |
Nosewicz S., Rojek J., Chmielewski M.♦, Pietrzak K., Lumelskyj D., Application of the Hertz formulation in the discrete element model of pressure-assisted sintering,
GRANULAR MATTER, ISSN: 1434-5021, DOI: 10.1007/s10035-016-0699-9, Vol.19, No.1, pp.16-1-8, 2017 Abstract: Keywords:
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27. |
Maździarz M., Rojek J., Nosewicz S., Estimation of micromechanical NiAl sintering model parameters from the molecular simulations,
INTERNATIONAL JOURNAL FOR MULTISCALE COMPUTATIONAL ENGINEERING, ISSN: 1543-1649, DOI: 10.1615/IntJMultCompEng.2017020289, Vol.15, No.4, pp.343-358, 2017 Abstract: Keywords:
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28. |
Rojek J., Nosewicz S., Chmielewski M.♦, Micro-macro relationships from discrete element simulations of sintering,
INTERNATIONAL JOURNAL FOR MULTISCALE COMPUTATIONAL ENGINEERING, ISSN: 1543-1649, DOI: 10.1615/IntJMultCompEng.2017020322, Vol.15, No.4, pp.323-342, 2017 Abstract: Keywords:
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29. |
Chmielewski M.♦, Nosewicz S., Jakubowska D.♦, Lewandowska M.♦, Mizera J.♦, Rojek J., Bazarnik P.♦, The influence of sintering time on the microstructural properties of chromium-rhenium matrix composites,
International Journal of Refractory Metals and Hard Materials, ISSN: 0263-4368, DOI: 10.1016/j.ijrmhm.2016.05.017, Vol.59, pp.78-86, 2016 Abstract: Keywords:
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30. |
Marczewska I., Rojek J., Kačianauskas R.♦, Investigation of the effective elastic parameters in the discrete element model of granular material by the triaxial compression test,
ARCHIVES OF CIVIL AND MECHANICAL ENGINEERING, ISSN: 1644-9665, DOI: 10.1016/j.acme.2015.09.010, Vol.16, pp.64-75, 2016 Abstract: Keywords:
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31. |
Jurczak K., Rojek J., Nosewicz S., Lumelskyj D., Bochenek K., Chmielewski M.♦, Pietrzak K.♦, Modelowanie wstępnego prasowania proszków metodą elementów dyskretnych,
HUTNIK - WIADOMOŚCI HUTNICZE, ISSN: 1230-3534, DOI: 10.15199/24.2016.1.1, Vol.83, No.1, pp.3-7, 2016 Abstract: Keywords:
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32. | Rojek J., Zohdi T.♦, Editorial foreword to the Special Issue of Journal of Computational Particle Mechanics “Particle modeling of powder-based processes in advanced manufacturing", Computational Particle Mechanics, ISSN: 2196-4378, DOI: 10.1007/s40571-016-0139-y, Vol.3, pp.435-436, 2016 | ||||||||||||||||||||||||||||
33. |
Rojek J., Nosewicz S., Jurczak K., Chmielewski M.♦, Bochenek K., Pietrzak K.♦, Discrete element simulation of powder compaction in cold uniaxial pressing with low pressure,
Computational Particle Mechanics, ISSN: 2196-4378, DOI: 10.1007/s40571-015-0093-0, Vol.3, pp.513-524, 2016 Abstract: Keywords:
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34. |
Zabulionis D.♦, Kačianauskas R.♦, Rimša V.♦, Rojek J., Pilkavičius S.♦, Spring Method for modelling of particulate solid composed of spherical particles and weak matrix,
ARCHIVES OF CIVIL AND MECHANICAL ENGINEERING, ISSN: 1644-9665, DOI: 10.1016/j.acme.2015.06.006, Vol.15, No.4, pp.775-785, 2015 Abstract: Keywords:
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35. |
Chmielewski M.♦, Nosewicz S., Rojek J., Pietrzak K.♦, Mackiewicz S., Romelczyk B.♦, A study of densification and microstructure evolution during hot pressing of NiAl/Al2O3 composite,
Advanced Composite Materials, ISSN: 0924-3046, DOI: 10.1080/09243046.2013.879408, Vol.24, No.1, pp.57-66, 2015 Abstract: Keywords:
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36. |
Rojek J., Nosewicz S., Pietrzak K.♦, Chmielewski M.♦, Evaluation of macroscopic stresses in discrete element models of sintering processes,
COMPUTER METHODS IN MATERIALS SCIENCE / INFORMATYKA W TECHNOLOGII MATERIAŁÓW, ISSN: 1641-8581, Vol.15, No.1, pp.219-255, 2015 Abstract: Keywords:
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37. |
Lumelskyj D., Rojek J., Tkocz M.♦, Numerical simulations of nakazima formability tests with prediction of failure,
ROMANIAN JOURNAL OF TECHNICAL SCIENCES - APPLIED MECHANICS, ISSN: 2601-5811, Vol.60, No.3, pp.184-194, 2015 Abstract: Keywords:
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38. |
Nosewicz S., Rojek J., Mackiewicz S., Chmielewski M.♦, Pietrzak K.♦, Romelczyk B.♦, The influence of hot pressing conditions on mechanical properties of nickel aluminide/alumina composite,
Journal of Composite Materials, ISSN: 0021-9983, DOI: 10.1177/0021998313511652, Vol.48, No.29, pp.3577-3589, 2014 Abstract: Keywords:
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39. |
Chmielewski M.♦, Nosewicz S., Pietrzak K.♦, Rojek J., Strojny-Nędza A.♦, Mackiewicz S., Dutkiewicz J.♦, Sintering Behavior and Mechanical Properties of NiAl, Al2O3, and NiAl-Al2O3 Composites,
Journal of Materials Engineering and Performance, ISSN: 1059-9495, DOI: 10.1007/s11665-014-1189-z, Vol.23, No.11, pp.3875-3886, 2014 Abstract: Keywords:
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40. |
Kowalczyk P., Rojek J., Stocki R., Bednarek T., Tauzowski P., Lasota R., Lumelskyj D., Wawrzyk K.♦, NUMPRESS − integrated computer system for analysis and optimization of industrial sheet metal forming processes,
HUTNIK - WIADOMOŚCI HUTNICZE, ISSN: 1230-3534, Vol.81, No.1, pp.56-63, 2014 Abstract: Keywords:
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41. |
Oñate E.♦, Celigueta M.A.♦, Latorre S.♦, Casas G.♦, Rossi R.♦, Rojek J., Lagrangian analysis of multiscale particulate flows with the particle finite element method,
Computational Particle Mechanics, ISSN: 2196-4378, DOI: 10.1007/s40571-014-0012-9, Vol.1, pp.85-102, 2014 Abstract: Keywords:
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42. |
Rojek J., Discrete element thermomechanical modelling of rock cutting with valuation of tool wear,
Computational Particle Mechanics, ISSN: 2196-4378, DOI: 10.1007/s40571-014-0008-5, Vol.1, No.1, pp.71-84, 2014 Abstract: Keywords:
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43. |
Nosewicz S., Rojek J., Pietrzak K.♦, Chmielewski M.♦, Viscoelastic discrete element model of powder sintering,
POWDER TECHNOLOGY, ISSN: 0032-5910, DOI: 10.1016/j.powtec.2013.05.020, Vol.246, pp.157-168, 2013 Abstract: Keywords:
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44. |
Rojek J., Karlis G.F.♦, Malinowski L.J.♦, Beer G.♦, Setting up virgin stress conditions in discrete element models,
COMPUTERS AND GEOTECHNICS, ISSN: 0266-352X, DOI: 10.1016/j.compgeo.2012.07.009, Vol.48, pp.228-248, 2013 Abstract: Keywords:
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45. |
Rojek J., Lumelskyj D., Pęcherski R.B., Grosman F.♦, Tkocz M.♦, Chorzępa W.♦, Forming limit curves for complex strain paths,
ARCHIVES OF METALLURGY AND MATERIALS, ISSN: 1733-3490, DOI: 10.2478/amm-2013-0042, Vol.58, pp.587-593, 2013 Abstract: Keywords:
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46. |
Lumelskyj D., Marczewska I., Rojek J., Pęcherski R.B., Grosman F.♦, Tkocz M.♦, Effect of friction on failure location in sheet metal formability tests,
COMPUTER METHODS IN MATERIALS SCIENCE / INFORMATYKA W TECHNOLOGII MATERIAŁÓW, ISSN: 1641-8581, Vol.13, No.1, pp.43-48, 2013 Abstract: Keywords:
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47. |
Rojek J., Nosewicz S., Pietrzak K.♦, Chmielewski M.♦, Simulation of Powder Sintering Using a Discrete Element Model,
ACTA MECHANICA ET AUTOMATICA, ISSN: 1898-4088, DOI: 10.2478/ama-2013-0030, Vol.7, pp.175-179, 2013 Abstract: Keywords:
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48. |
Nosewicz S., Rojek J., Numeryczne modelowanie naprężeń rezydualnych w spiekanych materiałach kompozytowych,
PRZEGLĄD MECHANICZNY, ISSN: 0033-2259, Vol.10, pp.30-34, 2013 Abstract: Keywords:
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49. |
Lumelskyj D., Marczewska I., Rojek J., Pęcherski R.B., Grosman F.♦, Tkocz M.♦, Wpływ tarcia na lokalizację pękania w próbach tłoczności Nakazimy,
PRACE NAUKOWE POLITECHNIKI WARSZAWSKIEJ, SERIA: MECHANIKA, ISSN: 0137-2335, Vol.253, pp.57-62, 2013 Abstract: Keywords:
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50. |
Nosewicz S., Rojek J., Numeryczne modelowanie naprężeń występujących w trakcie oraz po procesie metalurgii proszków materiałów kompozytowych,
PRACE NAUKOWE POLITECHNIKI WARSZAWSKIEJ, SERIA: MECHANIKA, ISSN: 0137-2335, Vol.253, pp.13-18, 2013 Abstract: Keywords:
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51. |
Rojek J., Labra C.♦, Su O.♦, Oñate E.♦, Comparative study of different discrete element models and evaluation of equivalent micromechanical parameters,
INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES, ISSN: 0020-7683, DOI: 10.1016/j.ijsolstr.2012.02.032, Vol.49, pp.1497-1517, 2012 Abstract: Keywords:
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52. | Zabulionis D.♦, Kačianauskas R.♦, Markauskas D.♦, Rojek J., Investigation of nonlinear tangential contact behaviour of a spherical particle under varying loading, BULLETIN OF THE POLISH ACADEMY OF SCIENCES: TECHNICAL SCIENCES, ISSN: 0239-7528, Vol.60, No.2, pp.265-278, 2012 | ||||||||||||||||||||||||||||
53. |
Lumelskyj D., Rojek J., Pęcherski R.B., Grosman F.♦, Tkocz M.♦, Numerical simulation of formability tests of pre-deformed steel blanks,
ARCHIVES OF CIVIL AND MECHANICAL ENGINEERING, ISSN: 1644-9665, DOI: 10.1016/j.acme.2012.04.010, Vol.12, No.2, pp.133-141, 2012 Abstract: Keywords:
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54. | Rojek J., Hyrcza-Michalska M.♦, Bokota A.♦, Piekarska W.♦, Determination of mechanical properties of the weld zone in tailor-welded blanks, ARCHIVES OF CIVIL AND MECHANICAL ENGINEERING, ISSN: 1644-9665, DOI: 10.1016/j.acme.2012.04.004, Vol.12, pp.156-162, 2012 | ||||||||||||||||||||||||||||
55. |
Nosewicz S., Rojek J., Pietrzak K., Chmielewski M.♦, Kaliński D.♦, Modelowanie procesu spiekania materiałów dwufazowych metodą elementów dyskretnych,
RUDY I METALE NIEŻELAZNE, ISSN: 0035-9696, Vol.57, No.9, pp.599-603, 2012 Abstract: Keywords:
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56. |
Lumelskyj D., Rojek J., Pęcherski R.B., Grosman F.♦, Tkocz M.♦, Numeryczna symulacja doświadczalnych prób tłoczności wstępnie wyprężonych blach ze stali DC04,
HUTNIK - WIADOMOŚCI HUTNICZE, ISSN: 1230-3534, Vol.79, No.1, pp.14-18, 2012 Abstract: Keywords:
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57. |
Rojek J., Oñate E.♦, Labra C.♦, Kargl H.♦, Discrete element simulation of rock cutting,
INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES, ISSN: 1365-1609, DOI: 10.1016/j.ijrmms.2011.06.003, Vol.48, pp.996-1010, 2011 Abstract: Keywords:
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58. |
Rojek J., Pietrzak K., Chmielewski M.♦, Kaliński D.♦, Nosewicz S., Discrete Element Simulation of Powder Sintering,
COMPUTER METHODS IN MATERIALS SCIENCE / INFORMATYKA W TECHNOLOGII MATERIAŁÓW, ISSN: 1641-8581, Vol.11, No.1, pp.68-73, 2011 Abstract: Keywords:
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59. | Lumelskyj D., Rojek J., Numerical Accuracy and Efficiency of Algorithms for Springback Calculation, COMPUTER METHODS IN MATERIALS SCIENCE / INFORMATYKA W TECHNOLOGII MATERIAŁÓW, ISSN: 1641-8581, Vol.11, No.2, pp.387-393, 2011 | ||||||||||||||||||||||||||||
60. | Nosewicz S., Rojek J., Modelowanie spiekania proszków metodą elementów dyskretnych, PRACE NAUKOWE POLITECHNIKI WARSZAWSKIEJ, SERIA: MECHANIKA, ISSN: 0137-2335, Vol.238, pp.7-12, 2011 | ||||||||||||||||||||||||||||
61. | Lumelskyj D., Rojek J., Dokładność i efektywność numeryczna algorytmów obliczania sprężynowania powrotnego, PRACE NAUKOWE POLITECHNIKI WARSZAWSKIEJ, SERIA: MECHANIKA, ISSN: 0137-2335, Vol.238, pp.45-50, 2011 | ||||||||||||||||||||||||||||
62. | Rojek J., Hyrcza-Michalska M.♦, Bokota A.♦, Piekarska W.♦, Metody wyznaczania właściwości mechanicznych złączy w spawanych laserowo wsadach do tłoczenia, PRZEGLĄD MECHANICZNY, ISSN: 0033-2259, Vol.LXIX, No.11, pp.13-20, 2010 | ||||||||||||||||||||||||||||
63. | Hyrcza-Michalska M.♦, Rojek J., Fruitos O.♦, Numerical simulation of car body elements pressing applying tailor welded blanks – practical verification of results, ARCHIVES OF CIVIL AND MECHANICAL ENGINEERING, ISSN: 1644-9665, Vol.10, No.4, pp.31-44, 2010 | ||||||||||||||||||||||||||||
64. | Labra C.♦, Rojek J., Oñate E.♦, Adaptive discrete/finite element coupling for rock cutting processes simulations, Discrete Element Methods. Simulations of Discontinua: Theory and Applications, pp.428-433, 2010 | ||||||||||||||||||||||||||||
65. | Rojek J., Labra C.♦, Oñate E.♦, Discrete element simulation of rock cutting with evaluation of tool wear, Discrete Element Methods. Simulations of Discontinua: Theory and Applications, pp.388-393, 2010 | ||||||||||||||||||||||||||||
66. | Rojek J., Hyrcza-Michalska M.♦, Bokota A.♦, Piekarska W.♦, Doświadczalne i numeryczne wyznaczanie właściwości mechanicznych złącz wsadów do tłoczenia spawanych techniką laserową, Polska Metalurgia w latach 2006-2010, pp.582-589, 2010 | ||||||||||||||||||||||||||||
67. |
Hyrcza-Michalska M.♦, Rojek J., Laserowe spawanie wsadów do tłoczenia. Wybrane problemy wytwarzania i symulacja numeryczna,
MECHANIK, ISSN: 0025-6552, Vol.4, pp.274-281, 2009 Abstract:
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68. | Rojek J., Hyrcza-Michalska M.♦, Bokota A.♦, Piekarska W.♦, Determination of mechanical properties of the weld zone of tailor-welded blanks, COMPUTER METHODS IN MATERIALS SCIENCE / INFORMATYKA W TECHNOLOGII MATERIAŁÓW, ISSN: 1641-8581, Vol.9, pp.153-158, 2009 | ||||||||||||||||||||||||||||
69. |
Labra C.♦, Rojek J., Oñate E.♦, Zarate F.♦, Advances in discrete element modelling of underground excavations,
ACTA GEOTECHNICA, ISSN: 1861-1125, DOI: 10.1007/s11440-008-0071-2, Vol.3, No.4, pp.317-322, 2008 Abstract: Keywords:
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70. | Rojek J., Discrete element modelling of rock cutting, COMPUTER METHODS IN MATERIALS SCIENCE / INFORMATYKA W TECHNOLOGII MATERIAŁÓW, ISSN: 1641-8581, Vol.7, No.2, pp.224-230, 2007 | ||||||||||||||||||||||||||||
71. | Marczewska I., Bednarek T., Marczewski A., Sosnowski W., Jakubczak H.♦, Rojek J., Practical fatigue analysis of hydraulic cylinders and some design recommendations, INTERNATIONAL JOURNAL OF FATIGUE, ISSN: 0142-1123, Vol.28, pp.1739-1751, 2006 | ||||||||||||||||||||||||||||
72. | Rojek J., Oñate E.♦, Taylor R.L.♦, CBS-based stabilization in explicit solid dynamics, INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING, ISSN: 0029-5981, DOI: 10.1002/nme.1689, Vol.66, pp.1547-1568, 2006 | ||||||||||||||||||||||||||||
73. |
Oñate E.♦, Rojek J.♦, Chiumenti M.♦, Idelsohn S.R.♦, Del Pin F.♦, Aubry R.♦, Advances in stabilized finite element and particle methods for bulk forming processes,
COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING, ISSN: 0045-7825, DOI: 10.1016/j.cma.2004.10.018, Vol.195, pp.6750-6777, 2006 Abstract: Keywords:
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74. | Jakubczak H.♦, Rojek J., Roquet P.♦, Assessment of realistic fatigue data for hydraulic cylinders, PROBLEMY MASZYN ROBOCZYCH / ENGINEERING MACHINES PROBLEMS, ISSN: 1232-9304, Vol.27, pp.63-73, 2006 | ||||||||||||||||||||||||||||
75. | Rojek J., Zarate F.♦, Agelet de Saracibar C.♦, Gilbourne C.♦, Verdot P.♦, Discrete element modelling and simulation of sand mould manufacture for the lost foam process, INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING, ISSN: 0029-5981, DOI: 10.1002/nme.1221, Vol.62, pp.1421-1441, 2005 | ||||||||||||||||||||||||||||
76. |
Rojek J., Zienkiewicz OC.♦, Onate E.♦, Postek E., Advances in FE explicit formulation for simulation of metalforming processes,
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, ISSN: 0924-0136, DOI: 10.1016/S0924-0136(01)00894-9, No.119, pp.41-47, 2001 Abstract: Keywords:
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77. |
Rojek J., Telega J.J., Stupkiewicz S.♦, Contact problems with friction, adhesion and wear in orthopaedic biomechanics. Part II - Numerical implementation and application to implanted knee joints,
JOURNAL OF THEORETICAL AND APPLIED MECHANICS, ISSN: 1429-2955, Vol.39, No.3, pp.679-706, 2001 Abstract: Keywords:
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78. |
Rojek J., Onate E.♦, Postek E., Application of explicit FE codes to simulation of sheet and bulk metal forming processes,
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, ISSN: 0924-0136, DOI: 10.1016/S0924-0136(98)00169-1, No.80-81, pp.620-627, 1998 Abstract: Keywords:
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List of recent monographs
1. |
Labra C.A.♦, Oñate E.♦, Rojek J., Advances in the Development of the Discrete Element Method for Excavation Processes, Monograph CIMNE Nº-132, pp.1-203, 2012 | |
2. |
Rojek J., Modelowanie i symulacja komputerowa złożonych zagadnień mechaniki nieliniowej metodami elementów skończonych i dyskretnych, IPPT Reports on Fundamental Technological Research, 4, pp.1-341, 2007 |
List of chapters in recent monographs
1. |
Rojek J., Contact Modeling for Solids and Particles, rozdział: Contact Modeling in the Discrete Element Method, Springer, pp.177-228, 2018 | |
2. |
Rojek J., Oñate E.♦, Labra C.♦, Kargl H.♦, Particle-Based Methods, Series: Computational Methods in Applied Sciences, rozdział: Discrete Element Modelling of Rock Cutting, Springer, 25, pp.247-267, 2011 | |
3. |
Rojek J., Oñate E.♦, Labra C.♦, Kargl H.♦, Akerman J.♦, Technology innovation in underground construction, rozdział: Optimizing rock cutting through computer simulation, CRC Press, Beer G. (Ed.), pp.299-314, 2009 |
Conference papers
1. |
Lumelskyj D., Rojek J., Lazarescu L.♦, Banabic D.♦, Determination of forming limit curve by finite element method simulations,
ICAFT/SFU/AutoMetForm 2018, 6th International Conference on Accuracy in Forming Technology, 25th Saxon Conference on Forming Technology and 6th International Lower Silesia-Saxony Conference on Advanced Metal Forming Processes in the Automotive Industry, 2018-11-06/11-07, Chemnitz (DE), DOI: 10.1016/j.promfg.2018.12.047, Vol.27, pp.78-82, 2019 Abstract: Keywords:
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2. |
Lumelskyj D., Lazarescu L.♦, Banabic D.♦, Rojek J., Comparison of two methods for detection of strain localization in sheet forming,
ESAFORM 2018, 21ST INTERNATIONAL ESAFORM CONFERENCE ON MATERIAL FORMING, 2018-04-23/04-25, Palermo (IT), DOI: 10.1063/1.5035067, No.1960, pp.170010-1-6, 2018 Abstract: Keywords:
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3. |
Wawrzyk K.♦, Kowalczyk P., Nosewicz S., Rojek J., A constitutive model and numerical simulation of sintering processes at macroscopic level,
CMM 2017, 22nd International Conference on Computer Methods in Mechanics, 2017-09-13/09-16, Lublin (PL), DOI: 10.1063/1.5019045, Vol.1922, pp.030011-1-7, 2018 Abstract: Keywords:
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4. |
Rojek J., Zubelewicz A.♦, Madan N., Nosewicz S., New formulation of the discrete element method,
CMM 2017, 22nd International Conference on Computer Methods in Mechanics, 2017-09-13/09-16, Lublin (PL), DOI: 10.1063/1.5019043, Vol.1922, pp.030009-1-8, 2018 Abstract:
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5. |
Lumelskyj D., Lazarescu L.♦, Banabic D.♦, Rojek J., Experimental and numerical investigations on determination of strain localization in sheet forming,
NUMISHEET 2018, The 11th International Conference and Workshop on Numerical Simulation of 3D Sheet Metal Forming Processes, 2018-07-30/08-03, Tokyo (JP), DOI: 10.1088/1742-6596/1063/1/012060, No.1063, pp.012060-1-6, 2018 Abstract:
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6. |
Lumelskyj D., Rojek J., Banabic D.♦, Lazarescu L.♦, Detection of Strain Localization in Nakazima Formability Test - Experimental Research and Numerical Simulation,
SHEMET17, 17th International Conference on Sheet Metal, 2017-04-10/04-12, Palermo (IT), DOI: 10.1016/j.proeng.2017.04.016, Vol.183, pp.89-94, 2017 Abstract: Keywords:
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7. |
Rojek J., Nosewicz S., Maździarz M., Kowalczyk P., Wawrzyk K.♦, Lumelskyj D., Modeling of a Sintering Process at Various Scales,
Procedia Engineering, ISSN: 1877-7058, DOI: 10.1016/j.proeng.2017.02.210, Vol.177, pp.263-270, 2017 Abstract: Keywords:
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8. |
Marijnissen M.J., Graczykowski C., Rojek J., Two-stage method for the simulation of the comminution process in a high-speed beater mill,
MEC-2017, MINERAL ENGINEERING CONFERENCE, 2017-09-20/09-23, Wisła (PL), DOI: 10.1051/e3sconf/201712301011, Vol.18, pp.01011-1-7, 2017 Abstract:
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9. |
Marijnissen M.J., Rojek J., Particle-fluid interaction inside a beater mill,
JOURNAL OF PHYSICS: CONFERENCE SERIES, ISSN: 1742-6588, DOI: 10.1088/1742-6596/760/1/012017, Vol.760, pp.1-8, 2016 Abstract: Keywords:
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10. |
Rojek J., Graczykowski C., Marijnissen M.J., Szolc T., Marczewska I., Możliwości wykorzystania dyskretnych metod modelowania do symulacji procesów mechanicznego urabiania i przeróbki rud metali,
ICNOP 2015, XI Międzynarodowa Konferencja Przeróbki Rud Metali Nieżelaznych, 2015-05-27/05-29, Trzebieszowice (PL), pp.60-67, 2015 Abstract: Keywords:
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11. |
Rojek J., Mikułowski G., Marczewska I., Experimental and numerical studies on magnetorheological fluids,
6WCSCM, 6th World Conference on Structural Control and Monitoring, 2014-07-15/07-17, Barcelona (ES), pp.2152-2159, 2014 Abstract:
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12. |
Kačianauskas R.♦, Rojek J., Pilkavičius S.♦, Rimša V.♦, Interaction of particles via solid interface: model and analysis − Particles 2013,
Particles 2013, III International Conference on Particle-based Methods, 2013-09-18/09-20, Stuttgart (DE), pp.364-374, 2013 Abstract: Keywords:
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13. |
Oñate E.♦, Labra C.♦, Zarate F.♦, Rojek J., Modelling and simulation of the effect of blast loading on structures using an adaptive blending of discrete and finite element methods,
3IWRDD-FORUM, 3rd International Forum on Risk Analysis, Dam Safety, Dam Security, and Critical Infrastructure Management, 2011-10-17/10-21, Valencia (ES), pp.365-372, 2012 Abstract:
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14. | Rojek J., Hyrcza-Michalska M.♦, Bokota A.♦, Piekarska W.♦, Determination of mechanical properties of the Weld Zone in tailor-welded blanks, AutoMetForm, Advanced Metal Forming Processes in Automotive Industry: 3rd International Lower Silesia - Saxony Conference, 2012-05-13/05-16, Wrocław (PL), pp.69-81, 2012 | |||||||||||||||||||
15. | Rojek J., Labra C.♦, Oñate E.♦, Discrete Element Simulation of Rock Cutting Processes, 10th International Conference Modern Building Materials, Structures and Techniques, 2010-05-19/05-21, Vilnius (LT), Vol.2, pp.1040-1044, 2010 | |||||||||||||||||||
16. |
Rojek J., Pietrzak K., Chmielewski M.♦, Kaliński D.♦, Modelowanie spiekania proszków metalicznych metodą elementów dyskretnych,
KomPlasTech 2010, XVII Konferencja Informatyka w Technologii Metali, 2010-01-10/01-13, Białka Tatrzańska (PL), pp.1-8, 2010 Abstract: Keywords:
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17. | Labra C.♦, Rojek J., Oñate E.♦, Discrete element simulation of the excavation process using disc cutters, EURO:TUN 2009, 2nd International Conference on Computational Methods in Tunnelling, 2009-09-09/09-11, Bochum (GE), pp.177-182, 2009 | |||||||||||||||||||
18. | Rojek J., Kargl H.♦, Labra C.♦, Oñate E.♦, 3d simulation of rock cutting in underground excavation, EURO:TUN 2009, 2nd International Conference on Computational Methods in Tunnelling, 2009-09-09/09-11, Bochum (GE), pp.157-162, 2009 | |||||||||||||||||||
19. |
Postek E., Rojek J., Antúnez H.J., Nonlinear static analysis of a guyed mast with finite element method,
CMM1993, XI Polish Conference on Computer Methods in Mechanics, 1993-05-11/05-14, Kielce-Cedzyna (PL), pp.743-750, 1993 Abstract: Keywords:
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Conference abstracts
1. | Nisar F., Nosewicz S., Kaszyca K.♦, Chmielewski M.♦, Rojek J., Discrete element simulation of heat flow in porous materials manufactured by FAST/SPS, NUMIFORM 2023, the 14th International Conference on Numerical Methods in Industrial Forming Processes, 2023-06-25/06-29, Kraków (PL), pp.1, 2023 | |||||||||||||||||||||||||
2. | Rojek J., Nisar F., Nosewicz S., Chmielewski M.♦, Kaszyca K.♦, Coupled thermo-electrical discrete element model of electric current activated/assisted sintering, PARTICLES 2023 - The VIII International Conference on Particle-Based Methods, 2023-10-09/10-11, Milan (IT), pp.1, 2023 | |||||||||||||||||||||||||
3. | Rojek J., Nisar F., Nosewicz S., Chmielewski M.♦, Kaszyca K.♦, DISCRETE ELEMENT MODELLING OF MULTIPHYSICS PHENOMENA IN POWDER SINTERING PROCESSES, COMPLAS 2023, XVII International Conference on Computational Plasticity. Fundamentals and Applications, 2023-09-05/09-07, Barcelona (ES), pp.1, 2023 | |||||||||||||||||||||||||
4. | Nisar F., Rojek J., Nosewicz S., Chmielewski M.♦, Kaszyca K.♦, Thermo-Electric Model for FAST/SPS Sintering in Discrete Element Framework, FAST/SPS, 2nd Conference on FAST/SPS From Research to Industry, 2023-10-16/10-18, Warszawa (PL), pp.56-57, 2023 | |||||||||||||||||||||||||
5. | Nosewicz S., Jurczak G., Chromiński W.♦, Rojek J., Kaszyca K.♦, Chmielewski M.♦, Quantitative Analysis of Influence of SPS Process Parameters on the Porous Materials Structure Using Combined EBSD and Computer Assisted Software, FAST/SPS, 2nd Conference on FAST/SPS From Research to Industry, 2023-10-16/10-18, Warszawa (PL), pp.52, 2023 | |||||||||||||||||||||||||
6. | Chmielewski M.♦, Kaszyca K.♦, Strojny-Nędza A.♦, Grabias A.♦, Romelczyk-Baishya B.♦, Rojek J., Nosewicz S., The experimental investigations of sintering kinetics of NiAl powder, AMT'2023, Advanced Materials and Technologies Conference, 2023-06-18/06-21, Wisła (PL), pp.1, 2023 | |||||||||||||||||||||||||
7. |
Hołobut P., Rojek J., Nosewicz S., Modeling of NiAl crystals using the Deformable Discrete Element Method,
AMT'2023, Advanced Materials and Technologies Conference, 2023-06-18/06-21, Wisła (PL), pp.139-139, 2023 Keywords:
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8. | Rojek J., Modelowanie i symulacja zagadnień inżynierskich metodą elementów dyskretnych, XVI Konferencja Naukowo-Techniczna TKI 2022 Techniki Komputerowe w Inżynierii, 2022-10-18/10-21, Mrągowo (PL), pp.1-2, 2022 | |||||||||||||||||||||||||
9. | Rojek J., MULTISCALE AND MULTIPHYSICS MODELLING OF POWDER METALLURGY PROCESSES, 8th European Congress on Computational Methods in Applied Sciences and Engineering, 2022-06-05/06-09, Oslo (NO), pp.1, 2022 | |||||||||||||||||||||||||
10. | Rojek J., Kasztelan R., Ramakrishnan T.♦, Nosewicz S., Kaszyca K.♦, Chmielewski M.♦, DETERMINATION OF THERMAL CONDUCTIVITY OF POROUS MATERIALS MANUFACTURED BY FAST/SPS BY DEM SIMULATION, CMM-SolMech 2022, 24th International Conference on Computer Methods in Mechanics; 42nd Solid Mechanics Conference, 2022-09-05/09-08, Świnoujście (PL), pp.1, 2022 | |||||||||||||||||||||||||
11. | Nosewicz S., Jurczak G., Wejrzanowski T.♦, Ibrahim S.H.♦, Grabias A.♦, Węglewski W., Kaszyca K.♦, Rojek J., Chmielewski M.♦, Numerical study of heat conduction of spark plasma sintered materials, CMM-SolMech 2022, 24th International Conference on Computer Methods in Mechanics; 42nd Solid Mechanics Conference, 2022-09-05/09-08, Świnoujście (PL), pp.1, 2022 | |||||||||||||||||||||||||
12. | Rojek J., Nosewicz Sz., Tharmaraj R., Kaszyca K.♦, Chmielewski M.♦, Numerical determination of effective thermal conductivity of porous materials manufactured by FAST/SPS, The 1st Conference on FAST/SPS: From Research to Industry, 2021-10-25/10-26, Poznań (PL), pp.14, 2021 | |||||||||||||||||||||||||
13. | Marijnissen M.J., Graczykowski C., Rojek J., Two-stage CFD-DEM (Computational Fluid Dynamics – Discrete Element Method) approach for the simulation of particle comminution inside a beater mill, YIC2019, 5th ECCOMAS Young Investigators Conference, 2019-09-01/09-06, Kraków (PL), pp.1-2, 2019 | |||||||||||||||||||||||||
14. | Marijnissen M.J., Graczykowski C., Rojek J., Computational Fluid Dynamics and Discrete Element Method coupling utilized for the simulation of particle comminution in newly designed beater mills, COUPLED 2019, VIII International Conference on Coupled Problems in Science and Engineering, 2019-06-03/06-05, Sitges (ES), pp.1, 2019 | |||||||||||||||||||||||||
15. |
Rojek J., Madan N., Nosewicz S., Simulation of elastic wave propagation using the deformable discrete element method,
KomPlasTech 2019, Computer Methods in Materials Technology, 2019-01-13/01-16, Zakopane (PL), pp.106-107, 2019 Keywords:
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16. |
Madan N., Rojek J., Nosewicz S., Enhanced wave propagation modelling capabilities of discrete element method using deformable elements,
PCM-CMM, 4th Polish Congress of Mechanics, 23rd International Conference on Computer Methods in Mechanics, 2019-09-08/09-12, Kraków (PL), pp.1-1, 2019 Keywords:
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17. |
Rojek J., Madan N., Nosewicz S., The discrete element method with deformable particles,
PCM-CMM, 4th Polish Congress of Mechanics, 23rd International Conference on Computer Methods in Mechanics, 2019-09-08/09-12, Kraków (PL), pp.1-1, 2019 Keywords:
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18. | Rojek J., Madan N., Nosewicz S., A novel formulation of the discrete element method with deformable particles, 12HSTAM 2019, International Congress on Mechanics, 2019-09-22/09-25, Thessaloniki (GR), pp.59-59, 2019 | |||||||||||||||||||||||||
19. |
Lumelskyj D., Rojek J., Lazarescu L.♦, Banabic D.♦, Experimental and numerical comparison of the Nakajima formability test with limit strain prediction using the time-dependent algorithm.,
MBMST-2019, 13th International Conference: Modern Building Materials, Structures and Techniques, 2019-05-16/05-17, Vilnius (LT), pp.1, 2019 Abstract: Keywords:
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20. | Nosewicz S., Rojek J., Chmielewski M.♦, Pietrzak K.♦, Discrete element simulations of hot pressing of intermetallic matrix composites, MBMST-2019, 13th International Conference: Modern Building Materials, Structures and Techniques, 2019-05-16/05-17, Vilnius (LT), pp.1, 2019 | |||||||||||||||||||||||||
21. | Madan N., Rojek J., Nosewicz S., The deformable discrete element method - formulation and application, YIC2019, 5th ECCOMAS Young Investigators Conference, 2019-09-01/09-06, Kraków (PL), pp.1-2, 2019 | |||||||||||||||||||||||||
22. | Nosewicz S., Rojek J., Wawrzyk K.♦, Kowalczyk P., Maciejewski G.♦, Maździarz M., Three-scale modelling of hot pressing process, PCM-CMM, 4th Polish Congress of Mechanics, 23rd International Conference on Computer Methods in Mechanics, 2019-09-08/09-12, Kraków (PL), pp.1, 2019 | |||||||||||||||||||||||||
23. | Nosewicz S., Rojek J., Wawrzyk K.♦, Kowalczyk P., Maciejewski G.♦, Maździarz M., Modeling of sintering process of intermetallic NiAl powder using multiscale approach, IWCMM29, 29th International Workshop on Computational Mechanics of Materials, 2019-09-15/09-18, Dubrovnik (HR), pp.1, 2019 | |||||||||||||||||||||||||
24. | Nosewicz S., Rojek J., Wawrzyk K.♦, Kowalczyk P., Maciejewski G.♦, Maździarz M., Multiscale prediction of powder properties during pressure-assisted sintering, CM4P, Computational Methods in Multi-scale, Multi-uncertainty and Multi-physics Problems, 2019-07-15/07-17, Porto (PT), pp.1, 2019 | |||||||||||||||||||||||||
25. | Rojek J., Madan N., Nosewicz S., Enhanced modelling capabilities of the discrete element method with deformable particles, 8th International Conference on Discrete Element Methods, 2019-07-21/07-26, Enschede (NL), pp.181, 2019 | |||||||||||||||||||||||||
26. | Nosewicz S., Rojek J., Wawrzyk K.♦, Kowalczyk P., Maciejewski G.♦, Maździarz M., Multiscale modeling of sintering process of mixture of two-phase powder, 8th KMM-VIN Industrial Workshop: Modelling of composite materials and composite coatings, 2018-10-09/10-10, Freiburg (DE), pp.1, 2018 | |||||||||||||||||||||||||
27. |
Rojek J., Madan N., Nosewicz S., Zubelewicz A.♦, The deformable discrete element method,
6th European Conference on Computational Mechanics (ECCM 6), 7th European Conference on Computational Fluid Dynamics (ECFD 7), 2018-06-11/06-15, Glasgow (GB), pp.1, 2018 Keywords:
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28. | Rojek J., Zubelewicz A.♦, Madan N., Nosewicz S., Lumelskyj D., A novel treatment for the deformability of discrete elements, SolMech 2018, 41st SOLID MECHANICS CONFERENCE, 2018-08-27/08-31, Warszawa (PL), pp.202-203, 2018 | |||||||||||||||||||||||||
29. | Nosewicz S., Rojek J., Maciejewski G.♦, Maździarz M., Chmielewski M.♦, Two-scale modelling of powder sintering, SolMech 2018, 41st SOLID MECHANICS CONFERENCE, 2018-08-27/08-31, Warszawa (PL), pp.210-211, 2018 | |||||||||||||||||||||||||
30. | Madan N., Rojek J., Zubelewicz A.♦, Nosewicz S., Convergence limit of a deformable discrete element model, SolMech 2018, 41st SOLID MECHANICS CONFERENCE, 2018-08-27/08-31, Warszawa (PL), pp.204-205, 2018 | |||||||||||||||||||||||||
31. |
Wawrzyk K.♦, Kowalczyk P., Rojek J., Nosewicz S., A numerical model of sintering processes at macroscopic level,
SolMech 2018, 41st SOLID MECHANICS CONFERENCE, 2018-08-27/08-31, Warszawa (PL), pp.298-299, 2018 Abstract: Keywords:
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32. | Rojek J., Nosewicz S., Lumelskyj D., Romelczyk B.♦, Bochenek K., Chmielewski M.♦, Simulation of low-pressure powder compaction using an elastoplastic discrete element model, PARTICLES 2017, V International Conference on Particle-Based Methods. Fundamentals and Applications., 2017-09-26/09-28, Hannover (DE), pp.1, 2017 | |||||||||||||||||||||||||
33. | Rojek J., Nosewicz S., Maździarz M., Kowalczyk P., Wawrzyk K.♦, Multiscale modelling of powder sintering processes, COMPLAS 2017, XIV International Conference on Computational Plasticity. Fundamentals and Applications, 2017-09-05/09-07, Barcelona (ES), pp.1, 2017 | |||||||||||||||||||||||||
34. | Rojek J., Lumelskyj D., Nosewicz S., Romelczyk B.♦, An elastoplastic contact model for spherical discrete elements, ICCCM 2017, International Conference on Computational Contact Mechanics, 2017-07-05/07-07, Lecce (IT), pp.1, 2017 | |||||||||||||||||||||||||
35. | Rojek J., Nosewicz S., Chmielewski M.♦, Coupling micro- and macroscopic levels in a sintering model, VII International Conference on Coupled Problems in Science and Engineering, 2017-06-12/06-14, Rhodes Island (GR), pp.1, 2017 | |||||||||||||||||||||||||
36. | Lumelskyj D.♦, Rojek J.♦, Numeryczne wyznaczenie początku lokalizacji odkształcenia w procesie tłoczenia blach na przykładzie próby tłoczności Nakazimy, FiMM 2017, X Jubileuszowa Konferencja, Fizyczne i Matematyczne Modelowanie Procesów Wytwarzania, 2017-05-21/05-23, Jabłonna (PL), pp.1, 2017 | |||||||||||||||||||||||||
37. | Rojek J., Nosewicz S., Maździarz M., Kowalczyk P., Wawrzyk K.♦, Modelling of sintering at atomistic, microscopic and macroscopic scales, Komplastech 2017, XXIV International Conference on Computer Methods in Materials Technology, 2017-01-15/01-18, Zakopane (PL), pp.126-128, 2017 | |||||||||||||||||||||||||
38. | Rojek J., Multiscale Modelling of Powder Sintering, IAMMC 2017, Interaction of Applied Mathematics and Mechanics Conference, 2017-05-09/05-11, Paris (FR), pp.21-22, 2017 | |||||||||||||||||||||||||
39. | Nosewicz S., Rojek J., Maździarz M., Kowalczyk P., Wawrzyk K.♦, Chmielewski M.♦, Pietrzak K.♦, Multiscale modeling of pressure-assisted sintering process, EUROMAT 2017, European Congress and Exhibition on Advanced Materials and Processes, 2017-09-17/09-22, Thessaloniki (GR), pp.D10-I-P-TUE-P1-6-D10-I-P-TUE-P1-6, 2017 | |||||||||||||||||||||||||
40. |
Rojek J., Zubelewicz A.♦, Madan N., Nosewicz S., New formulation of the discrete element method,
CMM 2017, 22nd International Conference on Computer Methods in Mechanics, 2017-09-13/09-16, Lublin (PL), pp.MS13-27-28, 2017 Abstract: Keywords:
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41. |
Wawrzyk K.♦, Nosewicz S., Rojek J., Kowalczyk P., A constitutive model and numerical simulation of sintering processes at macroscopic level,
CMM 2017, 22nd International Conference on Computer Methods in Mechanics, 2017-09-13/09-16, Lublin (PL), pp.MS02-13-14, 2017 Abstract: Keywords:
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42. | Maździarz M., Rojek J., Nosewicz S., Molecular dynamics study of self-diffusion in stoichiometric B2-NiAl, CMN2017, Congress on Numerical Methods in Engineering, 2017-07-03/07-05, Valencia (ES), pp.1373-1373, 2017 | |||||||||||||||||||||||||
43. | Maździarz M., Rojek J., Nosewicz S., Estimation of micromechanical NiAl sintering model parameters from the Atomistic Simulations, VII International Conference on Coupled Problems in Science and Engineering, 2017-06-12/06-14, Rhodes Island (GR), pp.1-1, 2017 | |||||||||||||||||||||||||
44. |
Marijnissen M.J., Rojek J., Particle-fluid interaction inside a beater mill,
XXII Fluid Mechanics Conference, 2016-09-11/09-14, Słok k/Bełchatowa (PL), pp.127-128, 2016 Abstract: Keywords:
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45. |
Rojek J., Nosewicz S., Maździarz M., Kowalczyk P., Wawrzyk K.♦, Modelling of powder sintering at various scales,
SolMech 2016, 40th Solid Mechanics Conference, 2016-08-29/09-02, Warszawa (PL), No.P193, pp.1-2, 2016 Keywords:
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46. |
Lumelskyj D., Rojek J., Detection of strain localization in numerical simulation of sheet metal forming,
AutoMetForm 2016, Advanced Metal Forming Processes in Automotive Industry, The 5th International Lower Silesia - Saxony Conference, 2016-06-28/06-29, Wrocław (PL), pp.37-43, 2016 Keywords:
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47. | Nosewicz S., Jurczak K., Rojek J., Chmielewski M.♦, Pietrzak K.♦, Application of contact interaction of Hertz model to viscoelastic discrete element model of sintering, ISNNM, 14th International Symposium on Novel and Nano Materials, 2016-07-03/07-08, Budapeszt (HU), pp.119, 2016 | |||||||||||||||||||||||||
48. |
Marijnissen M.J., Rojek J., Particle-fluid interaction inside a fan mill,
EPFDC, 8th European Postgradute Fluid Dynamics Conference, 2016-07-06/07-09, Warszawa (PL), pp.62, 2016 Abstract:
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49. |
Maździarz M., Rojek J., Nosewicz S., Molecular dynamics/statics simulation of Ni-Al nanoparticles sintering,
ECCOMAS 2016, European Congress on Computational Methods in Applied Sciences and Engineering, 2016-06-05/06-10, Hersonissos (GR), pp.1, 2016 Keywords:
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50. |
Rojek J., Kowalczyk P., Nosewicz S., Jurczak K., Wawrzyk K.♦, Micro-macro relationships from discrete element simulations of sintering,
ECCOMAS 2016, European Congress on Computational Methods in Applied Sciences and Engineering, 2016-06-05/06-10, Hersonissos (GR), pp.1, 2016 Keywords:
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51. | Rojek J., Jurczak K., Nosewicz S., Lumelskyj D., Chmielewski M.♦, Contact models for discrete element simulation of the power compaction in a hot pressing process, CMIS 2016, Contact Mechanics International Symposium, 2016-05-11/05-16, Warszawa (PL), pp.28-29, 2016 | |||||||||||||||||||||||||
52. |
Jurczak K., Rojek J., Nosewicz S., Lumelskyj D., Bochenek K., Chmielewski M.♦, Pietrzak K.♦, Modelowanie wstępnego prasowania proszków metodą elementów dyskretnych,
KomPlasTech 2016, XXIII Konferencja Informatyka w Technologii Metali, 2016-01-17/01-20, Wisła (PL), pp.68, 2016 Abstract: Keywords:
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53. | Rojek J., Nosewicz S., Development of a multiscale model of powder sintering, 5th KMM-VIN Industrial Workshop: Multi-scale and multi-physics materials modeling for advanced industries, 2016-01-26/01-27, Madryt (ES), pp.1, 2016 | |||||||||||||||||||||||||
54. | Nosewicz S., Rojek J., Pietrzak K.♦, Chmielewski M.♦, Discrete element modelling of hot pressing process, EUROMAT 2015, European Congress and Exhibition on Advanced Materials and Processes, 2015-09-20/09-24, Warszawa (PL), pp.1, 2015 | |||||||||||||||||||||||||
55. | Rojek J., Marczewska I., Micro-macro constitutive relations for granular material in the elastic range, PARTICLES 2015, IV International Conference on Particle-Based Methods, 2015-09-28/09-30, Barcelona (ES), pp.1, 2015 | |||||||||||||||||||||||||
56. |
Rojek J., Nosewicz S., Jurczak K., Viscoelastic cohesive contact formulation for discrete element model of powder sintering,
ICCCM 2015, IV International Conference on Computational Contact Mechanics, 2015-05-27/05-29, Hannover (DE), pp.1-2, 2015 Keywords:
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57. | Pereira A.♦, Rojek J., Barros G.♦, Beer G.♦, DEM-BEM Coupling in Time Domain, COUPLED PROBLEMS 2015, VI International Conference on Coupled Problems in Science and Engineering, 2015-05-01/05-20, Wenecja (IT), pp.1, 2015 | |||||||||||||||||||||||||
58. | Kačianauskas R.♦, Kačinskaja I.♦, Maknickas A.♦, Markauskas D.♦, Rojek J., Simulation of attractive motion of silica microparticles in aerosol under acoustic excitation, PCM-CMM 2015, 3rd Polish Congress of Mechanics and 21st Computer Methods in Mechanics, 2015-09-08/09-11, Gdańsk (PL), pp.563-564, 2015 | |||||||||||||||||||||||||
59. | Zabulionis D.♦, Kačianauskas R.♦, Rimša V.♦, Rojek J., A model of stiffness of normal interaction of spherical particles embedded in matrix, PCM-CMM 2015, 3rd Polish Congress of Mechanics and 21st Computer Methods in Mechanics, 2015-09-08/09-11, Gdańsk (PL), pp.105-106, 2015 | |||||||||||||||||||||||||
60. |
Marczewska I., Rojek J., Kačianauskas R.♦, Investigation of micro-macro relationships of elastic parameters in the discrete element model of granular material,
PCM-CMM 2015, 3rd Polish Congress of Mechanics and 21st Computer Methods in Mechanics, 2015-09-08/09-11, Gdańsk (PL), pp.91-92, 2015 Abstract: Keywords:
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61. |
Lumelskyj D., Rojek J., Pęcherski R.B., Grosman F.♦, Tkocz M.♦, Numerical study of an effect of friction in Nakazima formability test,
8th Workshop on Dynamic Behaviour of Materials and Its Applications in Industrial Processes, 2014-06-25/06-27, Warszawa (PL), pp.45-46, 2014 Abstract: Keywords:
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62. | Lumelskyj D., Rojek J., Grosman F.♦, Tkocz M.♦, Hyrcza-Michalska M.♦, Wyznaczanie początku lokalizacji odkształcenia w numerycznej symulacji tłoczenia blach, IX Seminarium Naukowe ZINTEGROWANE STUDIA PODSTAW DEFORMACJI PLASTYCZNEJ METALI PLASTMET, 2014-11-25/11-28, Łańcut (PL), pp.7-8, 2014 | |||||||||||||||||||||||||
63. |
Lumelskyj D., Rojek J., Pęcherski R.B., Grosman F.♦, Tkocz M.♦, Influence of friction on strain distribution in Nakazima formability test of circular specimen,
AutoMetForm/SFU 2014, New Materials for Vehicle Components, 2014-11-03/11-05, Freiburg (DE), pp.214-217, 2014 Abstract: Keywords:
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64. |
Kowalczyk P., Rojek J., Stocki R., Bednarek T., Tauzowski P., Lasota R., Lumelskyj D., Wawrzyk K.♦, NUMPRESS – integrated computer system for analysis and optimization of industrial sheet metal forming processes: examples of use,
AutoMetForm/SFU 2014, New Materials for Vehicle Components, 2014-11-03/11-05, Freiburg (DE), pp.284-286, 2014 Abstract: Keywords:
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65. | Marczewska I., Rojek J., Kačianauskas R.♦, Micro-macro dependency for elastic constants in a numerical model of granular material, SolMech 2014, 39th Solid Mechanics Conference, 2014-09-01/09-05, Zakopane (PL), pp.175-176, 2014 | |||||||||||||||||||||||||
66. |
Kowalczyk P., Rojek J., Stocki R., Bednarek T., Tauzowski P., Lasota R., Lumelskyj D., Wawrzyk K.♦, NUMPRESS – integrated computer system for analysis and optimization of industrial sheet metal forming processes: numerical investigation of square cup drawing,
SolMech 2014, 39th Solid Mechanics Conference, 2014-09-01/09-05, Zakopane (PL), pp.237-238, 2014 Abstract: Keywords:
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67. |
Nowak Z., Grosman F.♦, Lumelskyj D., Nowak M., Pęcherski R.B., Rojek J., Tkocz M.♦, Metal cup deep drawing processes – numerical simulation and experimental verification,
SolMech 2014, 39th Solid Mechanics Conference, 2014-09-01/09-05, Zakopane (PL), pp.47-48, 2014 Abstract: Keywords:
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68. |
Lumelskyj D., Rojek J., Pęcherski R.B., Grosman F.♦, Tkocz M.♦, Numerical investigation of influence of friction on strain distribution and forming limit curve in Nakazima formability test,
SolMech 2014, 39th Solid Mechanics Conference, 2014-09-01/09-05, Zakopane (PL), pp.45-46, 2014 Abstract: Keywords:
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69. | Rojek J., Nosewicz S., Pietrzak K.♦, Chmielewski M.♦, Discrete element modelling of powder metallurgy processes, Particles 2013, III International Conference on Particle-based Methods, 2013-09-18/09-20, Stuttgart (DE), pp.1, 2013 | |||||||||||||||||||||||||
70. | Nosewicz S., Rojek J., Pietrzak K.♦, Chmielewski M.♦, Numerical modeling of stresses in composites manufactured by powder metallurgy, ICMM3, 3rd International Conference on Material Modelling incorporating 13th European Mechanics of Materials Conference, 2013-09-08/09-11, Warszawa (PL), pp.133, 2013 | |||||||||||||||||||||||||
71. |
Rojek J., Labra C.♦, Marczewska I., Effect of parameter evaluation on failure mode in discrete element models of rock materials,
CMM 2013, 20th International Conference on Computer Methods in Mechanics, 2013-08-27/08-31, Poznań (PL), No.MS13, pp.5-6, 2013 Abstract: Keywords:
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72. | Rojek J., Nosewicz S., Pietrzak K.♦, Chmielewski M.♦, Simulation of powder sintering using a discrete element method, VII International Symposium on Mechanics of Materials and Structures, 2013-06-03/06-06, Augustów (PL), pp.59-60, 2013 | |||||||||||||||||||||||||
73. |
Rojek J., Stocki R., Lasota R., Tauzowski P., Efficient reliability analysis of sheet metal forming processes accounting for forming limit curve uncertainty,
CMM 2013, 20th International Conference on Computer Methods in Mechanics, 2013-08-27/08-31, Poznań (PL), No.MS05, pp.35-36, 2013 Abstract: Keywords:
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74. |
Rojek J., Lumelskyj D., Marczewska I., Grosman F.♦, Tkocz M.♦, Influence of friction on strain distribution in Nakazima formability tests,
ICCCM 2013, III International Conference on Computational Contact Mechanics, 2013-07-10/07-12, Lecce (IT), pp.95-96, 2013 Keywords:
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75. | Rojek J., Lumelskyj D., Grosman F.♦, Tkocz M.♦, Pęcherski R.B., Chorzępa W.♦, Graniczne krzywe tłoczności przy zmiennych ścieżkach odkształcenia, PLASMET/2012, VIII Seminarium Naukowe Zintegrowane Studia Podstaw Deformacji Plastycznej Metali, 2012-11-20/11-23, Łańcut (PL), pp.x1-x3, 2012 | |||||||||||||||||||||||||
76. | Rimša V.♦, Pilkavičius S.♦, Kačianauskas R.♦, Rojek J., Investigation of the Normal Contact Between Two Spherical Particles with Interface Material, SolMech 2012, 38th Solid Mechanics Conference, 2012-08-27/08-31, Warszawa (PL), pp.210-211, 2012 | |||||||||||||||||||||||||
77. | Nosewicz S., Rojek J., Pietrzak K., Chmielewski M.♦, Kaliński D.♦, Kačianauskas R.♦, Discrete Element Modelling of Solid State Sintering Process of Metal-Ceramic Composite, SolMech 2012, 38th Solid Mechanics Conference, 2012-08-27/08-31, Warszawa (PL), pp.172-173, 2012 | |||||||||||||||||||||||||
78. | Lumelskyj D., Rojek J., Pęcherski R.B., Grosman F.♦, Tkocz M.♦, Numerical Studies of Formability of Pre-Stretched Steel Sheet, SolMech 2012, 38th Solid Mechanics Conference, 2012-08-27/08-31, Warszawa (PL), pp.172-173, 2012 | |||||||||||||||||||||||||
79. | Rojek J., Nosewicz S., Pietrzak K., Chmielewski M.♦, Kaliński D.♦, Discrete element simulation of powder metallurgy manufacturing process of metal-ceramic composites, ECCOMAX 2012, 6th European Congress on Computational Methods in Applied Sciences and Engineering, 2012-09-10/09-14, Wiedeń (AT), pp.1-2, 2012 | |||||||||||||||||||||||||
80. | Rojek J., Nosewicz S., Pietrzak K., Chmielewski M.♦, Kaliński D.♦, Modelling of powder sintering using the discrete element method, CMM 2011, 19th International Conference on Computer Methods in Mechanics, 2011-05-09/05-12, Warszawa (PL), pp.241-1-2, 2011 | |||||||||||||||||||||||||
81. | Karlis G.♦, Malinowski L.♦, Beer G.♦, Rojek J., Iterative coupling of DEM-BEM regions with an overlapping FEM zone, 8th Workshop on Fast Boundary Element Methods in Industrial Applications, 2010-09-30/10-03, Söllerhaus (DE), pp.1, 2010 | |||||||||||||||||||||||||
82. | Rojek J., Pietrzak K., Chmielewski M.♦, Kaliński D.♦, Constitutive modelling of sintering processes using the discrete element method, Workshop on Constitutive Modeling in Applications for Industrial Processes, 2010-09-01/09-03, Kraków (PL), pp.1-2, 2010 | |||||||||||||||||||||||||
83. | Rojek J., Pietrzak K., Chmielewski M.♦, Kaliński D.♦, Discrete element modelling of powder sintering, SolMech 2010, 37th Solid Mechanics Conference, 2010-09-06/09-10, Warszawa (PL), pp.64-65, 2010 |