2022
DOI: 10.3390/aerospace9070353
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Adaptive Local Maximum-Entropy Surrogate Model and Its Application to Turbine Disk Reliability Analysis

Abstract: The emerging Local Maximum-Entropy (LME) approximation, which combines the advantages of global and local approximations, has an unsolved issue wherein it cannot adaptively change the morphology of the basis function according to the local characteristics of the sample, which greatly limits its highly nonlinear approximation ability. In this research, a novel Adaptive Local Maximum-Entropy Surrogate Model (ALMESM) is proposed by constructing an algorithm that adaptively changes the LME basis function and intro… Show more

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Cited by 2 publications
(2 citation statements)
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“…Hence, the LME approximation has demonstrated its accuracy and stability in dealing with problems involving large deformation and phase transition when employed as shape functions. Additionally, the LME approximation is incorporated in constructing the surrogate models for structural reliability analysis, offering an accurate and robust approach for highly nonlinear problems [38,39].…”
Section: Introductionmentioning
confidence: 99%
“…Hence, the LME approximation has demonstrated its accuracy and stability in dealing with problems involving large deformation and phase transition when employed as shape functions. Additionally, the LME approximation is incorporated in constructing the surrogate models for structural reliability analysis, offering an accurate and robust approach for highly nonlinear problems [38,39].…”
Section: Introductionmentioning
confidence: 99%
“…The performance of turbochargers in a harsh working environment of high temperature and high pressure for a long time will directly affect the performance of an engine. Fan proposed a novel Adaptive Local Maximum-Entropy Surrogate Model, carried out a turbine disk reliability analysis under geometrical uncertainty, and achieved a desirable result [38]. Meng constructed a smooth response surface of the turbine performance by the saddlepoint approximation reliability analysis method and solved a turbine blade design problem [39].…”
Section: Introductionmentioning
confidence: 99%