
wersja polska							English version

Technical University of Łódź
Department of Mechanics of Materials

al. Politechniki 6
90-924 Łódź

e-mail: zwi@p.lodz.pl

Professional experience

1979-2021		Technical University of Łódź, Department of Mechanics of Materials
1992-1994		Lulea University of Technology, Department of Civil and Mining Engineering, Division of Structural Mechanics, Lulea, Sweden, Visiting Researcher
1997-1998		Korea Advanced Institute of Science and Technology, Department of Mechanical Engineering, Computational and Applied Mechanics Laboratory, Taejon, Republic of Korea (South), Post-doctoral Fellow
2011-2013		Stichtung Deltares, Delft, The Netherlands (South Holland), Experienced Researcher

Research areas

computational methods of mechanics, especially the finite element method,
stress-based finite element method,
material point method,
a posteriori error estimation of approximate solution to boundary value problems of mechanics,
plasticity,
mechanics of composite materials,
application of non-linear programming methods to problems of mechanics,
finite strain problems,
modelling of granular flow in a silo.

Book

Z. Więckowski, Granular Flow Modelling by the Material Point Method (in Polish), Łódź University of Technology, Łódź, 2012.

Some representative papers

- papers in journals

Z. Więckowski, Dual finite element methods in mechanics of composite materials, J. Theoret. Appl. Mech., 33, 233-252 (1995).
Z. Więckowski, Dual finite element analysis for plasticity-friction torsion of composite bar, Int. J. Numer. Meth. Eng., 38, 1901-1916 (1995).
Z. Więckowski, M. Klisiński, Finite deformation analysis of motion of granular materials in a silo, Arch. Mech., 47, 617-633 (1995).
Z. Więckowski, Longitudinal shearing of elastic-plastic fibrous composite with frictional fibre-matrix interface, J. Theor. Appl. Mech., 36, 855-877 (1998).
Z. Więckowski, S.K. Youn, B.S. Moon, Stress-based finite element analysis of plane plasticity problems, Int. J. Numer. Meth. Eng., 44, 1505-1525 (1999).
Z. Więckowski, S.K. Youn, J.H. Yeon, A particle-in-cell solution to the silo discharging problem, Int. J. Numer. Meth. Eng., 45, 1203-1225 (1999).
Z. Więckowski, Dual finite element methods in homogenization for elastic-plastic fibrous composite material, Int. J. Plasticity, 16, 199-221 (2000).
Z. Więckowski, The material point method in large strain engineering problems, Computer Methods in Applied Mechanics and Engineering, 193, 2004, 4417-4438 (invited paper).
Z. Więckowski, M. Golubiewski, Improvement in accuracy of the finite element method in analysis of stability of Euler-Bernoulli and Timoshenko beams, Thin-Walled Structures, 45, 2007, 950-954.
L. Beuth, Z. Więckowski, P. A. Vermeer, Solution of quasi-static large-strain problems by the material point method, Int. J. Numer. Anal. Meth. Geomech., 35, 2011, 1451-1465.
F. Hamad, Z. Więckowski, C. Moormann, Interaction of fluid-solid-geomembrane by the material point method, Computers and Geotechnics, 81, 2017, 112-124.
P. Świątkiewicz, Z. Więckowski, Statically admissible FE solution of the thin plate bending problem with a posteriori error estimation, Int J Numer Methods Eng. 2020;121:1977-2000. https://doi.org/10.1002/nme.6295
Z. Więckowski, P. Świątkiewicz, Stress-Based FEM in the Problem of Bending of Euler-Bernoulli and Timoshenko Beams Resting on Elastic Foundation. Materials 2021, 14, 460. https://doi.org/10.3390/ma14020460

- conference papers

W. Barański, Z. Więckowski, Homogenization for a quasi-static problem of torsion of a prismatic periodic fibrous bar with Coulomb friction on the fibre-matrix interface, in: W.A. Green, M. Mićunović (eds.), Proc. of Euromech Colloquium 214, Mechanical behaviour of composites and laminates, Dubrovnik, 16-19 September, 1986, Elsevier, London, 1987, 157-166.
Z. Więckowski, Macroscopic behaviour of fibrous composite with frictional fibre-matrix interface, in: S.N. Atluri, G. Yagawa, T.A. Cruse (eds.), Proc. of the International Conference on Computational Engineering Science, Computational Mechanics '95. Theory and Applications, Hawaii, USA, July 30-August 3, 1995, Springer-Verlag, 1995, 2293-2298.
Z. Więckowski, Dual finite element methods in homogenisation for elastic-plastic fibrous composite material, in: C.K. Choi, C.B. Yun, H.G. Kwak (eds.), Proc. of The Seventh International Conference on Computing in Civil and Building Engineering, Seoul, Korea, 19-21 August, 1997, 1051-1056.
Z. Więckowski, A particle-in-cell method in analysis of motion of a granular material in a silo, in: S.R. Idelsohn, E. Onate, E.N. Dvorkin (eds.), Proc. IV World Congress on Computatinal Mechanics, Buenos Aires, June 29-July 2, 1998, Computational Mechanics. New Trends and Applications, CIMNE, Barcelona, 1998, CD-ROM, Part I, Section 2.
Z. Więckowski, A material point method in large strain engineering problems, European Conference on Computational Mechanics (ECCM '99), Munich, Germany, 31 August-3 September, 1999, CD-ROM.
Z. Więckowski, Numerical modeling of silo discharge, Proc. of the Eighth International Conference on Computing in Civil and Building Engineering, Ed. R. Fruchter, F. Pena-Mora and W.M.K. Roddis, Stanford, USA, 14-16 August, 2000, 764-771.
Z. Więckowski, Stress recovery based on minimization of complementary energy, 14th Nordic Seminar on Computational Mechanics, Lund, 19-20 October, 2001, 121-124.
Z. Więckowski, Analysis of granular flow by the material point method, European Conference on Computational Mechanics, June 26-29, 2001, Cracow, Poland, CD-ROM.
Z. Więckowski, The Dynamic Analysis of Large Strain Problems by the Material Point Method, Proceedings of the Fifth World Congress on Computational Mechanics (WCCM V), July 7-12, 2002, Vienna, Austria, Editors: Mang, H.A.; Rammerstorfer, F.G.; Eberhardsteiner, J., Publisher: Vienna University of Technology, Austria, ISBN 3-9501554-0-6, http://wccm.tuwien.ac.at, (invited lecture).
Z. Więckowski, I. Wagner, Complementary Energy Principle and Stress Recovery, Proceedings of the Fifth World Congress on Computational Mechanics (WCCM V), July 7-12, 2002, Vienna, Austria, Editors: Mang, H.A.; Rammerstorfer, F.G.; Eberhardsteiner, J., Publisher: Vienna University of Technology, Austria, ISBN 3-9501554-0-6, http://wccm.tuwien.ac.at.
Z. Więckowski, A posteriori error estimation for finite element solution by minimization of complementary energy on element patches, Proceedings of Computer Methods in Mechanics, CMM-2003}, June 3-6, 2003, Gliwice-Wisła, Poland, 2003, CD-ROM, (key-note lecture).
Z. Więckowski, The material point method in large strain engineering problems, Polish Science and Technology Forum, Paris, 15-16 September 2003, 100-102.
Z. Więckowski, The material point method in the analysis of the problem of shear bounds formation, Computational Fluid and Solid Mechanics, K.J. Bathe (ed.), Cambridge, MA, USA, 17-20 June 2003, Elsevier, 2003, 2173-2177.
Z. Więckowski, Application of the material point method to dynamic engineering problems with large strains, International Workshops on Advances in Computational Mechanics, Tokyo, November 3-6, 2004 (invited lecture).
Z. Więckowski, Dual finite element methods in analysis of non-linear fibrous composite materials, International Workshops on Advances in Computational Mechanics, Tokyo, November 3-6, 2004 (invited lecture).
Z. Więckowski, The material point method: improvement in formulation and applications to granular flow and geotechnical problems 2005 SIAM Annual Meeting, New Orleans, LA, USA, July 11-15, 2005, 168.
Z. Więckowski, Computer modelling of granular flow, Proceedings of the 5th International Conference on Micromechanics of Granular Media, July 18-22, 2005, Stuttgart, Germany, 465-468.
Z. Więckowski, The material point modeling of granular flow in a silo, Proc. of the Fifth World Congress on Particle Technology, Buena Vista (near Orlando), Florida, USA, April 23-27, 2006, CD-ROM.
Z. Więckowski, P. Dębski, Higher order interpolation and field smoothing techniques in material point method, Proc. 7th World Congress on Computational Mechanics, WCCM VII, Los Angeles, California USA, July 16-22, 2006 CD-ROM, (key-note lecture).
L. Beuth, T. Benz, P.A. Vermeer, Z. Więckowski, C.J. Coetzee, Large deformation analysis using a quasi-static Material Point Method, Proc. 17th International Conference Computer Methods in Mechanics CMM-2007, Łódź-Spała, June 19-22, 2007, Łódź 2007, CD-ROM, (key-note lecture).
Z. Więckowski, The material point method in large strain problems, Proceedings of the 11th International Conference on Mathematical and Computational Methods in Science and Engineering (MACMESE'09), Baltimore, USA, November 7-9, 2009 (plenary lecture).
Z. Więckowski, I. Kowalska-Kubsik, Non-local approach in modelling of granular flow by the material point method, Proceedings of Computer Methods in Mechanics, CMM-2011, 9-12 May 2011, Warsaw, Poland, 2011, 101-102 (key-note lecture).
Z. Więckowski, P. Vermeer, Transition processes in soil-fluid interaction problems modelled by the material point method, Complas XII. Computational Plasticity XII. Fundamentals and Applications. [Proceedings of the XII International Conference on Computational Plasticity - Fundamentals and Applications], 3-5, 2013, September, Barcelona, Spain (invited session).
Z. Więckowski, Material point method in modelling of solidfluid mixture. CMM 2013. 20th International Conference on Computer Methods in Mechanics, Short papers, 27-31 August 2013, Poznań, pp. MS12-1--MS12-2 (keynote lecture).
Z. Więckowski, Analysis of fluid and solid-fluid interaction problems by the material point method, Advances in Computational Mechanics (ACM 2013) - A Conference Celebrating the 70th Birthday of Thomas J.R. Hughes, 24-27 February 2013, San Diego, California (invited session).
Z. Więckowski, Two-phase material point model in analysis of erosion problems, Proc. of 11th World Congress on Computational Mechanics (WCCM XI), 20-25 July 2014, Barcelona, Spain.
Z. Więckowski, Analysis of Three-Dimensional Problems of Granular Flow and Geomechanics by Material Point Method, XII World Congress on Computational Mechanics, VI Asia-Pacific Congress on Computational Mechanics, WCCM XII & APCOM VI , Seoul, South Korea, July 24-29, 2016 (key-note lecture).

Research projects

Mechanics of composite media (MR-I-23), sponsored by Polish Academy of Sciences, 1981-1985.
Topic Dual finite element methods in problems of non-linear mechanics in the framework of project CPBP 02.01, sponsored by Polish Academy of Sciences, 1986-1990.
Powder Flow, sponsored by Nordisk Industrifond and Swedish Research Council for Engineering Science, 1992-1994.
Numerical modelling of mechanical behaviour for a physically non-linear, fibrous, composite material (No. 7 T07A 028 09), sponsored by the Polish State Committee for Scientific Research, 1995-1996.
A study of the particle-in-cell and finite element methods and their applications to engineering problems, sponsored by Korea Science and Engineering Foundation (KOSEF grant for foreign post-doctoral fellows), 1997.
Numerical analysis of granular flow in a silo (No. 7 T07A 006 17), sponsored by the Polish State Committee for Scientific Research, 1999-2002.
Experimental and theoretical investigation of motion of grounded material on a ring-roller mill table (No. 4 T10B 009 25), sponsored by the Polish State Committee for Scientific Research, 2004-2005.
Enhancement of the Material Point Method for Fluid-Structure Interaction and Erosion, European Union Seventh Framework Programme, FP7-PEOPLE, Intra-European Fellowships (Marie Skłodowska-Curie Actions, People), 2011-2013.

Ph.D. supervisions completed

Lars Beuth, Formulation and Application of a Quasi-static Material Point Method, University of Stuttgart, 14 February 2013 (co-supervision).
Iwona Kowalska-Kubsik, Application of Non-local Constitutive Model in Analyses of Granular Flow and Landslide, Łódź University of Technology, 15 April 2014.
Fursan M. Hamad, Formulation of a Dynamic Material Point Method and Applications to Soil-Water-Geotexile Systems, University of Stuttgart, 28 May 2014 (co-supervision).
Paulina Świątkiewicz, Equilibrium Finite Element Method in the Problem of the Thin Plate Bending, Łódź University of Technology, 3 September 2019.
Artur Kotarski, Numerical analysis of influence of the lateral reinforcement on the mechanical behaviour of a concrete column, Łódź University of Technology, 2 December, 2021.