Articles with "interval variables" as a keyword



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High dimensional model representation for hybrid reliability analysis with dependent interval variables constrained within ellipsoids

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Published in 2017 at "Structural and Multidisciplinary Optimization"

DOI: 10.1007/s00158-017-1806-1

Abstract: Random variables could be dependent, and so could interval variables. To accommodate dependent interval variables, this work develops an efficient hybrid reliability analysis method to handle both random and dependent interval input variables. Due to… read more here.

Keywords: analysis; dependent interval; reliability analysis; interval variables ... See more keywords
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An effective Kriging-based approximation for structural reliability analysis with random and interval variables

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Published in 2021 at "Structural and Multidisciplinary Optimization"

DOI: 10.1007/s00158-020-02825-8

Abstract: Aleatory and epistemic uncertainties usually coexist within a mechanistic model, which motivates the hybrid structural reliability analysis considering random and interval variables in this paper. An introduction of the interval variable requires one to recursively… read more here.

Keywords: structural reliability; interval variables; reliability analysis; reliability ... See more keywords
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A novel univariate method for mixed reliability evaluation of composite laminate with random and interval parameters

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Published in 2018 at "Composite Structures"

DOI: 10.1016/j.compstruct.2018.06.097

Abstract: Abstract Requiring probability density distribution functions of uncertain variables, it is difficult for conventional structural reliability analysis methods to calculate the reliability of composite laminates with both random and interval variables. To evaluate the safety… read more here.

Keywords: interval variables; method; random interval; univariate method ... See more keywords
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A new hybrid uncertainty analysis method and its application to squeal analysis with random and interval variables

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Published in 2018 at "Probabilistic Engineering Mechanics"

DOI: 10.1016/j.probengmech.2017.11.001

Abstract: Abstract A new hybrid uncertainty analysis method with random and interval variables is proposed in this paper. In the proposed method, the uncertain parameters with sufficient information are treated as random variables, while the uncertain… read more here.

Keywords: interval variables; analysis; method; random ... See more keywords
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Uncertainty Analysis on Vehicle-Bridge System with Correlative Interval Variables Based on Multidimensional Parallelepiped Model

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Published in 2017 at "International Journal of Computational Methods"

DOI: 10.1142/s0219876218500305

Abstract: For vehicle-bridge system, structural uncertainties, especially the interval variables with correlation, have a great influence on dynamic response. Therefore, this paper proposes an effective uncertainty analysis method for vehicle-bridge system based on multidimensional parallelepiped (MP)… read more here.

Keywords: bridge system; interval variables; vehicle; vehicle bridge ... See more keywords
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A Time-Variant Reliability Analysis Method Based on the Stochastic Process Discretization under Random and Interval Variables

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Published in 2021 at "Symmetry"

DOI: 10.3390/sym13040568

Abstract: In practical engineering, it is a cost-consuming problem to consider the time-variant reliability of both random variables and interval variables, which usually requires a lot of calculation. Therefore, a time-variant reliability analysis approach with hybrid… read more here.

Keywords: interval variables; random variables; time variant; reliability ... See more keywords