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Design of optimum grillages using layout optimization PDF Print E-mail
K. Bolbotowski, L. He, M.Gilbert, Design of optimum grillages using layout optimization, Structural and Multidisciplinary Optimization,
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Abstract
Grillages are often used to form bridge decks and other constructions. However, following a period of intensive research activity in the 1970s, comparatively little attention has been paid to optimizing the layout of grillages in recent years. In this contribution a new numerical procedure is proposed which takes advantage of the adaptive solution scheme previously developed for truss layout optimization problems, enabling very large scale problems to be solved. A key benefit of the proposed numerical procedure is that it is completely general, and can therefore be applied to problems with arbitrary loading and boundary conditions. Also, unlike some previously proposed procedures, the sizes of individual beams can readily be discerned. To demonstrate its efficacy the numerical procedure is applied to a range of grillage layout design problems, including load dependent problems which could not be solved using traditional methods. It is shown that important phenomena such as “beam-weaves” can be faithfully captured and new high-precision numerical benchmark solutions are provided.
 
On Risk and Reliability Studies of Climate-Related Building Performance PDF Print E-mail
K. Pietrzyk and I. Czmoch (2018). On Risk and Reliability Studies of Climate-Related Building Performance,
Risk Assessment, Dr. Valentina Svalova (Ed.), InTech, DOI: 10.5772/intechopen.71684.
Available from: https://www.intechopen.com/books/risk-assessment/on-risk-and-reliability-studies-of-climate-related-building-performance
Abstract
A design strategy based on integration of the building form and structure with its external environment in order to take advantage of natural forces (wind and buoyancy effects) has been evaluated in terms of risk and reliability measures. Tools for the probabilistic analysis (First-Order Reliability Method (FORM), Monte Carlo) have been presented and applied in the probabilistic modelling and sensitivity analysis of the response function of the studied building physics problem. Sensitivity analysis of the influence of basic random variables on the probability distribution of a response function is straightforward in FORM methodology...
 
"Najlepszy statyk w Polsce" PDF Print E-mail
Udział Katedry Mechaniki Budowli i prof. Zbigniewa Kączkowskiego w projektowaniu Spodka w Katowicach.
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Material orientation design of planar structures with prescribed anisotropy classes. Study of rhombic systems. PDF Print E-mail
R. Czubacki, Material orientation design of planar structures with prescribed anisotropy classes. Study of rhombic systems., AIP Conference Proceedings 1922, 020005, 2018, https://doi.org/10.1063/1.5019032
 
Optymalizacja topologiczna materiałów w zakresie sprężystym z założoną klasą anizotropii PDF Print E-mail
R. Czubacki, S. Czarnecki, Rozdział X: Optymalizacja topologiczna materiałów w zakresie sprężystym z założoną klasą anizotropii, Monografia Sprężystość i lepkosprężystość małych odkształceń. Wybrane zagadnienia., OWPW, pp. 159-168, 2017, ISBN: 978-83-7814-703-9
 
WCSMO: World Congress of Structural and Multidisciplinary Optimisation - prace naszych pracowników PDF Print E-mail
T. Sokół, On the Numerical Approximation of Michell Trusses and the Improved Ground Structure Method, pp 1411-1417,
T. Lewiński, S. Czarnecki, R.Czubacki, T.Łukasiak, and P.Wawruch, Constrained Versions of the Free Material Design Methods  and Their Applications in 3D Printing, pp 1317-1332,
T. Łukasiak, Macroscopically Isotropic and Cubic-Isotropic Two-Material Periodic Structures Constructed by the Inverse-Homogenization Method , pp 1333-1348,
G.Dzierżanowski and T.Lewiński, Young's Modulus Control in Material and Topology Optimization, pp 1374-1385,

Prace ukazały się w: A.Schumacher, Th.Vietor, S.Fiebig, K.-U. Bletzinger,  K.Maute, Editors.   Advances in Structural and Multidisciplinary Optimization. Proceedings of the 12th World Congress of Structural and Multidisciplinary Optimization (WCSMO12). Springer International Publishing AG 2018, Cham, Switzerland.

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