From probabilistic to quantile-oriented sensitivity analysis: New indices of design quantiles
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26110%2F20%3APU139507" target="_blank" >RIV/00216305:26110/20:PU139507 - isvavai.cz</a>
Result on the web
<a href="https://www.mdpi.com/2073-8994/12/10/1720" target="_blank" >https://www.mdpi.com/2073-8994/12/10/1720</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.3390/sym12101720" target="_blank" >10.3390/sym12101720</a>
Alternative languages
Result language
angličtina
Original language name
From probabilistic to quantile-oriented sensitivity analysis: New indices of design quantiles
Original language description
In structural reliability analysis, sensitivity analysis (SA) can be used to measure how an input variable influences the failure probability Pf of a structure. Although the reliability is usually expressed via Pf, Eurocode building design standards assess the reliability using design quantiles of resistance and load. The presented case study showed that quantile-oriented SA can provide the same sensitivity ranking as Pf-oriented SA or local SA based on Pf derivatives. The first two SAs are global, so the input variables are ranked based on total sensitivity indices subordinated to contrasts. The presented studies were performed for Pf ranging from 9.35x10^-8 to 1–1.51x10^-8. The use of quantile-oriented global SA can be significant in engineering tasks, especially for very small Pf. The proposed concept provided an opportunity to go much further. Left-right symmetry of contrast functions and sensitivity indices were observed. The article presents a new view of contrasts associated with quantiles as the distance between the average value of the population before and after the quantile. This distance has symmetric hyperbola asymptotes for small and large quantiles of any probability distribution. Following this idea, new quantile-oriented sensitivity indices based on measuring the distance between a quantile and the average value of the model output are formulated in this article.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
20101 - Civil engineering
Result continuities
Project
<a href="/en/project/GA20-00761S" target="_blank" >GA20-00761S: Influence of material properties of stainless steels on reliability of bridge structures</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2020
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Symmetry
ISSN
2073-8994
e-ISSN
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Volume of the periodical
12
Issue of the periodical within the volume
10
Country of publishing house
CH - SWITZERLAND
Number of pages
22
Pages from-to
1-22
UT code for WoS article
000587004200001
EID of the result in the Scopus database
2-s2.0-85093700708