Jędrzej Mączak

Prof. Jędrzej Mączak

Warsaw University of Technology, Warsaw, Mazowieckie, Poland
orcid

Research Focus & Metrics

Academic Career Length

26Years (2001-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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1 July 2016 in Renewable and Sustainable Energy Reviews
Verified
Journal Article
Closed access
Adrian ChmielewskiAdrian Chmielewski
Adrian Chmielewski
RGRobert Gumiński
Robert Gumiński
JMJędrzej Mączak
Jędrzej Mączak
SRStanisław Radkowski
Stanisław Radkowski
PSPrzemyslaw Szulim
Przemyslaw Szulim

6 April 2023 in Continuum Mechanics and Thermodynamics
Verified
Journal Article
Open access
PDF file
Paweł ŻochowskiPaweł Żochowski
Paweł Żochowski
MCMarcin Cegla
Marcin Cegla
KSKrzysztof Jacek Szczurowski
Krzysztof Jacek Szczurowski
JMJędrzej Mączak
Jędrzej Mączak
MBMarcin Bajkowski
Marcin Bajkowski
PPPiotr Prasuła
Piotr Prasuła
The main aim of the work was the experimental and numerical analysis of the energy absorption/dissipation capabilities and failure mechanisms of novel hyper-elastic target material intended for ballistic applications including layers of composite armors, projectile catching systems and anti-ricochet layers covering walls of shooting ranges, ballistic tunnels, etc. Static and dynamic mechanical properties of the material were analyzed at both room and elevated temperatures ( $$40\div 80\,^{\circ }\hbox {C}$$ 40 ÷ 80 ∘ C ). Numerical models of the material and $$7.62\times 25$$ 7.62 × 25 mm FMJ projectile were defined. Simulations of the hyper-elastic target penetration with the projectile were carried out. The differences between the results obtained numerically and experimentally were determined (measured as a relative error) and were lower than 15% what testified about proper definition of the numerical models of the analyzed phenomenon components.

1 July 2013 in Mechanical Systems and Signal Processing
Verified
Journal Article
Closed access
JMJędrzej Mączak
Jędrzej Mączak

1 July 2012 in Key Engineering Materials
Verified
Journal Article
Closed access
PDF file
JBJerzy Bajkowski
Jerzy Bajkowski
MJMarcin Jasinski
Marcin Jasinski
JMJędrzej Mączak
Jędrzej Mączak
SRStanisław Radkowski
Stanisław Radkowski
RZRobert Zalewski
Robert Zalewski
The active support of a large-scale structure, made up of two elements was designed and manufactured. The first of them - piezoelectric actuator, enables the simulations of vibrations transferred from the ground to the structure. In order to minimize vibrations transmitted through the ground to the construction, the second element of the active support - a system based on magnetorheological dampers was used. The active support enables the simulations of vibrations from the ground using a piezoelectric stack controlled in a reverse feedback loop. Control signals of the feedback loop are: the volume of deformation and vibrations in the selected structures node.

1 July 2014 in Transportation Research Part C: Emerging Technologies
Verified
Journal Article
Closed access
YCYiakopoulos Christos
Yiakopoulos Christos
JMJędrzej Mączak
Jędrzej Mączak
RKRodopoulos Konstantinos
Rodopoulos Konstantinos
AIAntoniadis Ioannis
Antoniadis Ioannis

4 February 2016
Verified
Book Chapter
Closed access
PDF file
Adrian ChmielewskiAdrian Chmielewski
Adrian Chmielewski
Szymon GontarzSzymon Gontarz
Szymon Gontarz
RGRobert Gumiński
Robert Gumiński
JMJędrzej Mączak
Jędrzej Mączak
PSPrzemyslaw Szulim
Przemyslaw Szulim