• P. Kowalczyk: Sensitivity analysis in finite element computations of elasto-plasticity (rozprawa habilitacyjna). Prace IPPT PAN (IFTR Reports), 7/2006. (pdf)

• P. Kowalczyk: Numeryczna analiza rozkładu naprężeń w miąższu płucnym z uwzględnieniem oddziaływań między szkieletem tkankowym a przepływającym powietrzem. (rozprawa doktorska). Prace IPPT PAN (IFTR Reports), 1/1993. (streszczenie)

• L. Colabella, A. Cisilino, V. Fachinotti, P. Kowalczyk: An efficient strategy to implement local porosity constraints in the multiscale design of solids with parameterized biomimetic microstructures. Computers and Structures, 285: 107084-1–13, 2023. DOI: 10.1016/j.compstruc.2023.107084

• L. Colabella, A. Cisilino, V. Fachinotti, C. Capiel, P. Kowalczyk: Multiscale design of artificial bones with biomimetic elastic microstructures. Journal of the Mechanical Behavior of Biomedical Materials, 108: 103748-1–9, 2020. DOI: 10.1016/j.jmbbm.2020.103748

• L. Colabella, A.P. Cisilino, V. Fachinotti, P. Kowalczyk: Multiscale design of elastic solids with biomimetic cancellous bone cellular microstructures. Structural and Multidisciplinary Optimization, 60: 639–661, 2019. DOI: 10.1007/s00158-019-02229-3

• S. Nosewicz, J. Rojek, K. Wawrzyk, P. Kowalczyk, G. Maciejewski, M. Maździarz: Multiscale modeling of pressure-assisted sintering. Computational Materials Science, 156: 385–395, 2019. DOI: 10.1016/j.commatsci.2018.10.001

• L. Colabella, A.P. Cisilino, G. Häiat, P. Kowalczyk: Mimetization of the elastic properties of cancellous bone via a parameterized cellular material. Biomechanics and Modeling in Mechanobiology, 16: 1485–1502, 2017. DOI: 10.1007/s10237-017-0901-y

• L. Colabella, A.A. Ibarra Pino, J. Ballarre, P. Kowalczyk, A.P. Cisilino: Calculation of cancellous bone elastic properties with the polarization-based FFT iterative scheme. International Journal for Numerical Methods in Biomedical Engineering, 33: e2879-1–16, 2017. DOI: 10.1002/cnm.2879

• P. Kowalczyk: Parametric constitutive model of plain-weave fabric reinforced composite ply. Advanced Composite Materials, 25: 287–303, 2016. DOI: 10.1080/09243046.2014.996959

• P. Kowalczyk: Enhanced geometric model for numerical microstructure analysis of plain-weave fabric reinforced composite. Advanced Composite Materials, 24: 411–429, 2015. DOI: 10.1080/09243046.2014.898439

• T. Bednarek, P. Kowalczyk: Improvement of stability conditions, accuracy and uniqueness of penalty approach in contact modeling. Computational Mechanics, 51: 949–959, 2013. DOI: 10.1007/s00466-012-0775-x

• P. Kowalczyk: Parametric constitutive model of uni-directional fiber-matrix composite. Finite Elements in Analysis and Design, 50: 243–254, 2012. DOI: 10.1016/j.finel.2011.09.015

• P. Kowalczyk: Simulation of orthotropic microstructure remodelling of cancellous bone. Journal of Biomechanics, 43: 563–569, 2010. DOI: 10.1016/j.jbiomech.2009.09.045

• K. Wisniewski, P. Kowalczyk, E. Turska: Analytical DSA for explicit dynamics of elastic-plastic shells. Computational Mechanics, 39: 761–785, 2007. DOI: 10.1007/s00466-006-0068-3

• P. Kowalczyk: Orthotropic properties of cancellous bone modelled as parameterized cellular material. Computer Methods in Biomechanics and Biomedical Engineering, 9: 135–147, 2006. DOI: 10.1080/10255840600751473

• P. Kowalczyk: Design sensitivity analysis in large deformation elasto-plastic and elasto-viscoplastic problems. International Journal for Numerical Methods in Engineering, 66: 1234–1270, 2006. DOI: 10.1002/nme.1592

• P. Kowalczyk, K. Wisniewski, E. Turska: Design sensitivity analysis for transient explicit dynamic response of elasto-plastic shell structures. In: W. Pietraszkiewicz, C. Szymczak (eds.), Shell Structures. Theory and Applications. Proc. of the 8th SSTA Conference, October 12–14, 2005, Gdansk-Jurata, Poland, pp. 359–363.

• P. Kowalczyk: Elastic properties of cancellous bone derived from finite element models of parameterized microstructure cells. Journal of Biomechanics, 36: 961–972, 2003. DOI: 10.1016/S0021-9290(03)00065-4

• K. Wisniewski, P. Kowalczyk, E. Turska: On the computation of design derivatives for Huber–Mises plasticity with non-linear hardening. International Journal for Numerical Methods in Engineering, 57: 271–300, 2003. DOI: 10.1002/nme.678

• P. Kowalczyk: Design optimization of cementless femoral hip prostheses using finite element analysis. Trans. ASME, Journal of Biomechanical Engineering, 123: 396–402, 2001. DOI: 10.1115/1.1392311

• P. Kowalczyk, M. Kleiber: Shape sensitivity in elasto-plastic computations. Computer Methods in Applied Mechanics and Engineering, 171: 371–386, 1999. DOI: 10.1016/S0045-7825(98)00216-3

• P. Kowalczyk, J.J. Telega: Numerical approach to shape sensitivity analysis of femoral implants. Acta of Bioengineering and Biomechanics 1: 47–51, 1999. (link)

• P. Kowalczyk: Numerical evaluation of sensitivity of stress distribution in bone to geometric parameters of endoprosthesis. Journal of Theoretical and Applied Mechanics 37: 555–577, 1999. (link)

• M. Kleiber, P. Kowalczyk: Sensitivity analysis in plane stress elasto-plasticity and elasto-viscoplasticity. Computer Methods in Applied Mechanics and Engineering, 137: 395–409, 1996. DOI: 10.1016/S0045-7825(96)01072-9

• M. Kleiber, P. Kowalczyk: Constitutive parameter sensitivity in elasto-plasticity. Computational Mechanics, 17: 36–48, 1995. DOI: 10.1007/BF00356477

• M. Kleiber, T.D. Hien, H. Antunez, P. Kowalczyk: Parameter sensitivity of elasto-plastic response. Engineering Computations, 12: 263–280, 1995. DOI: 10.1108/02644409510799604

• P. Kowalczyk: Finite-deformation interface formulation for frictionless contact problems. Communications in Numerical Methods in Engineering, 10: 879–893, 1994. DOI: 10.1002/cnm.1640101104

• P. Kowalczyk, M. Kleiber: Modelling and numerical analysis of stresses and strains in human lung including tissue–gas interaction. European Journal of Mechanics. A/Solids, 13: 367–393, 1994.

• P. Kowalczyk: Mechanical model of lung parenchyma as two-phase porous medium. Transport in Porous Media, 11: 281–295, 1993. DOI: 10.1007/BF00614816

• P. Kowalczyk: Badania modelowe z wykorzystaniem MES w biomechanice, w: Biomechanika i Inżynieria Rehabilitacyjna, Akademicka Oficyna Wydawnicza EXIT, 363–378, 2015

• P. Kowalczyk, J. Rojek, R. Stocki, T. Bednarek, P. Tauzowski, R. Lasota, D. Lumelskyy, K. Wawrzyk: NUMPRESS – integrated computer system for analysis and optimization of industrial sheet metal forming processes. HUTNIK – WIADOMOŚCI HUTNICZE, 81: 56–63, 2014

• T. Bednarek, P. Kowalczyk: The sensitivity analysis of deep drawing process using flow approach. Computer Methods in Materials Science – Informatyka w Technologii Materiałów, 13: 21–29, 2013.

• K. Wawrzyk, P. Kowalczyk: Zmodyfikowany algorytm poszukiwania kontaktu w zagadnieniach tłoczenia blach. Hutnik – Wiadomości Hutnicze, LXXIX: 28–30, 2012.

• T. Bednarek, P. Kowalczyk, A. Marczewski, W. Sosnowski: Improvement of stability conditions and uniqueness of penalty approach in contact modelling in sheet metal forming. Computer Methods in Materials Science – Informatyka w Technologii Materiałów, 11: 411–417, 2011.

• W. Sosnowski, T. Bednarek, P. Kowalczyk: Stability and uniqueness of flow approach algorithms in sheet metal forming simulations. Computer Methods in Materials Science – Informatyka w Technologii Materiałów, 10: 30–36, 2010.

• P. Kowalczyk: Influence of bone anisotropy on stress distribution and optimum shape of cementless femoral implants. Engineering Transactions, 51: 195–214, 2003. (link)

• P. Kowalczyk, J. Kowalczewski, P. Małdyk, C. Michalak, J.J. Telega: Optymalizacja kształtu cząści udowej endoprotezy stawu biodrowego metodą elementów skończonych. Chirurgia Narządow Ruchu i Ortopedia Polska, 65: 511–517, 2000.

• P. Kowalczyk, M. Kleiber: Parameter sensitivity for large deformation inelastic problems. Computer Assisted Mechanics and Engineering Sciences, 4: 209–228, 1997. (abstract)

• M. Kleiber, P. Kowalczyk: Parameter sensitivity of elasto-plastic and elasto-viscoplastic response. M. Pietrzyk et al. (eds.), Huber's Yield Criterion in Plasticity, AGH, Kraków, 1994.

• P. Kowalczyk: Przegląd modeli konstytutywnych dla tkanek żywych. Mechanika Teoretyczna i Stosowana, 29: 333–353, 1991.

• K. Wawrzyk, P. Kowalczyk, S. Nosewicz, J. Rojek: A constitutive model and numerical simulation of sintering processes at macroscopic level. AIP Conference Proceedings, 1922: 030011-1–7, 2018. DOI: 10.1063/1.5019045

• J. Rojek, S. Nosewicz, M. Maździarz, P. Kowalczyk, K. Wawrzyk, D. Lumelskyj: Modeling of a sintering process at various scales. Procedia Engineering, 177: 263–270, 2017. DOI: 10.1016/j.proeng.2017.02.210

• W. Sosnowski, T. Bednarek, P. Kowalczyk: Badanie stabilności i jednoznaczności algorytmów teorii plastycznego płynięcia stosowanych w symulacji tłoczenia blach. KomPlasTech 2010, XVII Konferencja Informatyka w Technologii Metali, 10–13.01.2010, Białka Tatrzańska, pp.1–12

• P. Kowalczyk: Computational model for anisotropic microstructure remodelling of cancellous bone. 17th International Conference on Computer Methods in Mechanics (CMM 2007), 19–22.06.2007, Łódź-Spała, CD-ROM Proceedings.

• P. Kowalczyk: Parameterized orthotropic cellular microstructures as mechanical models of cancellous bone. C.A. Mota Soares et al. (eds.), 3rd European Conference on Computational Mechanics, ECCM 2006, 5–8.06.2006, Lizbona, Portugalia, CD-ROM Proceedings.

• K. Wisniewski, P. Kowalczyk, E. Turska: DSA for elastic-plastic finite rotation shells under dynamic loads. 21th International Congress of Theoetical and Applied Mechanics (ICTAM 2004), 15–21.08.2004, Warszawa, CD-ROM Proceedings.

• P. Kowalczyk: Anisotropic properties of cancellous bone derived from 3-d finite element microstructure models. 15th International Conference on Computer Methods in Mechanics (CMM 2003), 3–6.06.2003, Gliwice-Wisła, CD-ROM Proceedings.

• P. Kowalczyk: Anisotropic properties of trabecular bone derived from 2-d finite element microstructure models. 2nd European Conference on Computational Mechanics (ECCM 2001), 26–29.06.2001, Kraków, CD-ROM Proceedings.

• M. Kleiber, H. Antunez, P. Kowalczyk, R. Stocki: Parameter sensitivity in nonlinear mechanics with applications in reliability and optimization. XII Konferencja "Metody i środki Projektowania Wspomaganego Komputerowo", 1999, Politechnika Warszawska.

• M. Kleiber, H. Antunez, P. Kowalczyk, R. Stocki: Parameter sensitivity in nonlinear mechanics and heat transfer with applications in reliability, optimization and stochastic FEM. European Conference on Computational Mechanics (ECCM '99), 31.08–3.09.1999, Monachium, CD-ROM Proceedings.

• P. Kowalczyk: Shape sensitivity in the finite element analysis of bone-implant system. Biomechanics: Modelling, Computational Methods, Experiments and Biomedical Applications, 7–8.12.1998, Łódź, pp. 127–132.

• M. Kleiber, P. Kowalczyk: Constitutive parameter sensitivity of inelastic response. D.R.J. Owen, E. Onate, E. Hinton (eds.), Computational Plasticity — Fundamentals and Applications (Proc. 4th Int. Conf., 3–6.04.1995, Barcelona), 25–43. Pineridge Press, Swansea, 1995.

• P. Kowalczyk, M. Kleiber: Numerical analysis of lung deformation process including mechanical tissue-gas interaction. XI Polish Conference on Computer Methods in Mechanics, 11–14.05.1993, Kielce-Cedzyna, pp. 449–456.

• P. Kowalczyk, M. Kleiber: Numerical analysis of lung deformation process including tissue-gas interaction. X Polish Conference on Computer Methods in Mechanics, 14–17.05.1991, Świnoujście, pp. 389–396.

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