Fuzzy Optimisation of Structural Performance

Structural performance has become a fundamental concept in advanced engineering design in construction. Basic criteria concerning the action effects and imposed performance requirements are analysed assuming two types of uncertainties: randomness and vagueness. The natural randomness of the action e...

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Main Author: M. Holický
Format: Article
Language:English
Published: CTU Central Library 2005-01-01
Series:Acta Polytechnica
Subjects:
Online Access:https://ojs.cvut.cz/ojs/index.php/ap/article/view/724
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author M. Holický
author_facet M. Holický
author_sort M. Holický
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description Structural performance has become a fundamental concept in advanced engineering design in construction. Basic criteria concerning the action effects and imposed performance requirements are analysed assuming two types of uncertainties: randomness and vagueness. The natural randomness of the action effect is handled by commonly used methods of the theory of probability. The vagueness of performance requirements due to indistinct or imprecise specification and perception is analysed using the basic tools of the theory of fuzzy sets. Both types of uncertainties are considered to define fuzzy probabilistic measures of structural performance, the damage function and fuzzy probability of failure. Fuzzy probabilistic optimisation of vibration constraints indicates that the limiting values recommended for the acceleration of building structures may be uneconomical. Further research should focus on verifying of the input theoretical models using available experimental data.
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spelling doaj.art-82920f6d80bc4fdaa28eca06ddcb7ff82022-12-21T23:14:21ZengCTU Central LibraryActa Polytechnica1210-27091805-23632005-01-01453724Fuzzy Optimisation of Structural PerformanceM. HolickýStructural performance has become a fundamental concept in advanced engineering design in construction. Basic criteria concerning the action effects and imposed performance requirements are analysed assuming two types of uncertainties: randomness and vagueness. The natural randomness of the action effect is handled by commonly used methods of the theory of probability. The vagueness of performance requirements due to indistinct or imprecise specification and perception is analysed using the basic tools of the theory of fuzzy sets. Both types of uncertainties are considered to define fuzzy probabilistic measures of structural performance, the damage function and fuzzy probability of failure. Fuzzy probabilistic optimisation of vibration constraints indicates that the limiting values recommended for the acceleration of building structures may be uneconomical. Further research should focus on verifying of the input theoretical models using available experimental data.https://ojs.cvut.cz/ojs/index.php/ap/article/view/724performance requirementsrandomnessfuzzinessoptimisation
spellingShingle M. Holický
Fuzzy Optimisation of Structural Performance
Acta Polytechnica
performance requirements
randomness
fuzziness
optimisation
title Fuzzy Optimisation of Structural Performance
title_full Fuzzy Optimisation of Structural Performance
title_fullStr Fuzzy Optimisation of Structural Performance
title_full_unstemmed Fuzzy Optimisation of Structural Performance
title_short Fuzzy Optimisation of Structural Performance
title_sort fuzzy optimisation of structural performance
topic performance requirements
randomness
fuzziness
optimisation
url https://ojs.cvut.cz/ojs/index.php/ap/article/view/724
work_keys_str_mv AT mholicky fuzzyoptimisationofstructuralperformance