نتایج جستجو برای: sobol method

تعداد نتایج: 1630333  

Journal: :Reliability Engineering & System Safety 2021

Avalanche models are increasingly employed for elaborating land-use maps and designing defense structures, but they rely on poorly known parameters. Careful uncertainty assessment is thus required difficulty arises from the nature of outputs these models, which commonly both functional scalar. Hence, so far in avalanche field, few sensitivity analyses have been performed. In this work, we propo...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سمنان 1392

in the area of vocabulary teaching and learning although much research has been done, only some of it has led to effective techniques of vocabulary teaching and many language learners still have problem learning vocabulary. the urge behind this study was to investigate three methods of teaching words. the first one was teaching words in context based on a traditional method of teaching that is,...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعت آب و برق (شهید عباسپور) - دانشکده مهندسی برق و کامپیوتر 1392

abstract according to increase in electricity consumption in one hand and power systemsreliability importance in another , fault location detection techniqueshave beenrecentlytaken to consideration. an algorithm based on collected data from both transmission line endsproposed in this thesis. in order to reducecapacitance effects of transmission line, distributed parametersof transmission line...

2013
Pierryves Padey

LCA has been extensively used in the last few years and a large number of studies have been published in the literature. These studies show a great variability in results of comparable systems. It somehow leads policy-makers to consider the LCA approach as an inconclusive method. Some attempts have been developed to assess LCA results variability; however, they remain mostly qualitative. In thi...

Journal: :Rel. Eng. & Sys. Safety 2006
Bertrand Iooss François Van Dorpe Nicolas Devictor

A parametric sensitivity analysis is carried out on GASCON, a radiological impact software describing the radionuclides transfer to the man following a chronic gas release of a nuclear facility. An effective dose received by age group can thus be calculated according to a specific radionuclide and to the duration of the release. In this study, we are concerned by 18 output variables, each depen...

Journal: :SIAM/ASA Journal on Uncertainty Quantification 2021

Related DatabasesWeb of Science You must be logged in with an active subscription to view this.Article DataHistorySubmitted: 6 July 2020Accepted: 16 February 2021Published online: 01 June 2021Keywordschaining, explainable AI, global sensitivity analysis, pick-freeze, Sobol' indices, winding stairsAMS Subject Headings62K99, 65D99, 68T07Publication DataISSN (online): 2166-2525Publisher: Society f...

Journal: :Reliability Engineering & System Safety 2022

Communities and their supporting civil infrastructure systems can be viewed as an assembly of, often numerous, interacting, interdependent components. Tools that identify rank the components relevant for community disaster resilience help efficiently allocate limited resources to reach goals. We propose a method based on Sobol’ indices heuristic upper lower bound search measure importance of vu...

Journal: :Advances in Civil Engineering 2021

Bridge deterioration is affected by various factors. However, neither the relationships between these factors and are explicitly determined, nor relative effect of each factor on well understood. This study proposed a methodology to resolve issues integrating an artificial neural network (ANN) sensitivity analysis method. The ANN was used predict deterioration, method applied evaluate influence...

Journal: :Applied sciences 2022

Nuclear grade axial flow fans are widely used in nuclear power plants for ventilation and heat dissipation have the advantages of high efficiency rates. A fan with OGVs (outlet guide vanes) can recover kinetic energy dynamic impeller outlet winding to increase ventilator pressure, thus improving efficiency; therefore, play an essential role performance fan. Based on accurate numerical simulatio...

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