2014
DOI: 10.1007/s12239-014-0107-6
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Bayesian kriging regression for the accuracy improvement of beam modeled T-junctions of buses and coaches structures with a methodology based on FEM behavioral analysis

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Cited by 4 publications
(7 citation statements)
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“…It is noted that there are significant differences in the precision of some spring directions, especially for T2 joint configuration, where UX, UY, RX, and RZ show an average error of approximately one third with respect to the rest of directions. In any case, the worst-case average error keeps below 7% regardless spring directions and junction configurations (6.7% for RY in T2), which already supposes a significant error improvement with respect to the original deviation in beam type structural models, which can reach up to 90% according to [19].…”
Section: Analysis Of Selected Neural Networkmentioning
confidence: 89%
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“…It is noted that there are significant differences in the precision of some spring directions, especially for T2 joint configuration, where UX, UY, RX, and RZ show an average error of approximately one third with respect to the rest of directions. In any case, the worst-case average error keeps below 7% regardless spring directions and junction configurations (6.7% for RY in T2), which already supposes a significant error improvement with respect to the original deviation in beam type structural models, which can reach up to 90% according to [19].…”
Section: Analysis Of Selected Neural Networkmentioning
confidence: 89%
“…Using the same data from [19] the experimental design for the neural network analysis had a five dimensional input and six dimensional output, where the input values represented the dimensions of the analyzed T-junction profiles (E1, E2, E3, g1, and g2) and the output values represented the calculated stiffness values for the alternative T-junction model having 3 axial spring (k ux , k uy , k uz ) and 3 rotational springs (k rx , k ry , k rz ) at the junction level as presented in Figure 3.…”
Section: Methodsmentioning
confidence: 99%
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“…Choi et al [27] addressed the epistemic uncertainty in a structural reliability analysis using the Bayesian kriging approach, which treats the probability as a random variable and establishes the probability density function (PDF) of the limit state function with favorable accuracy. Romero et al [28] applied a kriging interpolator that includes Monte Carlo computation of Bayesian inference and sensitivity analysis to predict the values of the elastic elements that correspond to an alternative beam T-junction model for optimizing the behaviors of the upper structures of buses and coaches. Belligoli et al [29] employed a Bayesian calibration of a computational fluid dynamics (CFD) model and the kriging metamodel of a real process to quantify the epistemic uncertainty of ultrasonic flow meter measurements in non-ideal flow conditions.…”
Section: Introductionmentioning
confidence: 99%