Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Janusz Szmidla"'
Autor:
Nenad Kostić, Nenad Petrović, Vesna Marjanović, Ružica R. Nikolić, Janusz Szmidla, Nenad Marjanović, Robert Ulewicz
Publikováno v:
Materials, Vol 17, Iss 6, p 1390 (2024)
This research aims to show the effects of adding cardinality constraints to limit the number of different cross-sections used in simultaneous sizing and shape optimization of truss structures. The optimal solutions for sizing and shape optimized trus
Externí odkaz:
https://doaj.org/article/6a800255ece34210a912b74d3aa5a582
Autor:
Janusz Szmidla, Anna Jurczyńska
Publikováno v:
Communications, Vol 25, Iss 3, Pp B228-B244 (2023)
This work is dedicated to the problem of optimizing the shape of columns modelling bridge span subjected to the selected specific load case. Based on Hamilton's principle, motion equations and boundary conditions were defined. Taking into account the
Externí odkaz:
https://doaj.org/article/c49a9b832c9d456b9b8c2214f7891c84
Autor:
Milan T. Djordjević, Srbislav Aleksandrović, Dušan Arsić, Ružica R. Nikolić, Janusz Szmidla, Aleksandar Todić, Dragan Čukanović, Robert Ulewicz
Publikováno v:
Materials, Vol 16, Iss 11, p 3968 (2023)
The influence of various process parameters on the deep drawing process is a current research topic in sheet metal forming technology. Starting from the application of the previously constructed original testing device, an original tribological model
Externí odkaz:
https://doaj.org/article/e91440eb6bbb4f0ab1adfdb1674454b3
Autor:
Ismail Luhar, Salmabanu Luhar, Mohd Mustafa Al Bakri Abdullah, Marcin Nabiałek, Andrei Victor Sandu, Janusz Szmidla, Anna Jurczyńska, Rafiza Abdul Razak, Ikmal Hakem A Aziz, Noorina Hidayu Jamil, Laila Mardiah Deraman
Publikováno v:
Materials, Vol 14, Iss 12, p 3279 (2021)
Currently, novel inorganic alumino-silicate materials, known as geopolymer composites, have emerged swiftly as an ecobenevolent alternative to contemporary ordinary Portland cement (OPC) building materials since they display superior physical and che
Externí odkaz:
https://doaj.org/article/b6a864f39b034290b3e8c6e25bcbcb56
Autor:
Norshahira Roslan, Shayfull Zamree Abd Rahim, Abdellah El-hadj Abdellah, Mohd Mustafa Al Bakri Abdullah, Katarzyna Błoch, Paweł Pietrusiewicz, Marcin Nabiałek, Janusz Szmidla, Dariusz Kwiatkowski, Joel Oliveira Correia Vasco, Mohd Nasir Mat Saad, Mohd Fathullah Ghazali
Publikováno v:
Materials, Vol 14, Iss 7, p 1795 (2021)
Achieving good quality of products from plastic injection moulding processes is very challenging, since the process comprises many affecting parameters. Common defects such as warpage are hard to avoid, and the defective parts will eventually go to w
Externí odkaz:
https://doaj.org/article/40de56231a0b4132a24a12cd475c7e0a
Autor:
Khairunnisa Zulkifly, Heah Cheng-Yong, Liew Yun-Ming, Ridho Bayuaji, Mohd Mustafa Al Bakri Abdullah, Shamsul Bin Ahmad, Tomasz Stachowiak, Janusz Szmidla, Joanna Gondro, Bartłomiej Jeż, Mohd Suhaimi Bin Khalid, Sebastian Garus, Ong Shee-Ween, Ooi Wan-En, Ng Hui-Teng
Publikováno v:
Materials, Vol 14, Iss 8, p 1973 (2021)
Thermal performance, combustibility, and fire propagation of fly ash-metakaolin (FA-MK) blended geopolymer with the addition of aluminum triphosphate, ATP (Al(H2PO4)3), and monoaluminium phosphate, MAP (AlPO4) were evaluated in this paper. To prepare
Externí odkaz:
https://doaj.org/article/4b3b27dc48df4ee4ad42911151174813
Autor:
Svetislav Marković, Dušan Arsić, Ružica R. Nikolić, Vukić Lazić, Nada Ratković, Branislav Hadzima, Janusz Szmidla, Robert Ulewicz
Publikováno v:
Materials, Vol 14, Iss 6, p 1496 (2021)
This paper presents the results of voluminous experimental investigations conducted to analyze the influence of the welding procedure on the performance of regenerated gears. Cylindrical spur gears were tested, both newly manufactured and regenerated
Externí odkaz:
https://doaj.org/article/6e5c0b0359554311a4a35fbf5edd222c
Autor:
Beng Wei Chong, Rokiah Othman, Ramadhansyah Putra Jaya, Doh Shu Ing, Xiaofeng Li, Mohd Haziman Wan Ibrahim, Mohd Mustafa Al Bakri Abdullah, Andrei Victor Sandu, Bartosz Płoszaj, Janusz Szmidla, Tomasz Stachowiak
Publikováno v:
Materials, Vol 14, Iss 7, p 1658 (2021)
Image analysis techniques are gaining popularity in the studies of civil engineering materials. However, the current established image analysis methods often require advanced machinery and strict image acquisition procedures which may be challenging
Externí odkaz:
https://doaj.org/article/9658975d21644426832c808e83e41642
Autor:
Janusz Szmidla, Justyna Wiktorowicz
Publikováno v:
Journal of Applied Mathematics and Computational Mechanics, Vol 15, Iss 3, Pp 155-165 (2016)
Externí odkaz:
https://doaj.org/article/4ef7c59396474cd3a36f4b7df0cd765c
Publikováno v:
Journal of Applied Mathematics and Computational Mechanics, Vol 15, Iss 1, Pp 181-190 (2016)
Externí odkaz:
https://doaj.org/article/03a8b4003ebb4aaba683fba7e2e35ae4