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Efficient Model-Assisted Probability of Detection and Sensitivity Analysis for Ultrasonic Testing Simulations Using Stochastic Metamodeling

Published on Nov 1, 2019
· DOI :10.1115/1.4044446
Xiaosong Du3
Estimated H-index: 3
(Iowa State University),
Leifur Leifsson15
Estimated H-index: 15
(Iowa State University)
+ 3 AuthorsRonald A. Roberts10
Estimated H-index: 10
(Iowa State University)
Abstract
  • References (119)
  • Citations (1)
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References119
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#2V. Sarath Babu (Zhongkai University of Agriculture and Engineering)H-Index: 5
Last. Li Lin (Zhongkai University of Agriculture and Engineering)H-Index: 3
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To solve the problem of unreliability of traceability information in the traceability system, we developed an intelligent monitoring system to realize the real-time online acquisition of physicochemical parameters of the agricultural inputs and to predict the varieties of input products accurately. Firstly, self-developed monitoring equipment was used to realize real-time acquisition, format conversion and pretreatment of the physicochemical parameters of inputs, and real-time communication with...
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#1Pengfei Wei (NPU: Northwestern Polytechnical University)H-Index: 11
#2Fuchao Liu (NPU: Northwestern Polytechnical University)H-Index: 2
Last. Chenghu Tang (NPU: Northwestern Polytechnical University)H-Index: 3
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Abstract In the context of structural system reliability, quantifying the relative importance of random input variables and failure modes is necessary for improving system reliability and simplifying the reliability-based design problems. We firstly introduce the reliability-based variable importance analysis (VIA) indices to structural systems for quantifying the individual, interaction and total effects of each random input variable on the system failure probability, and propose two new reliab...
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#1Kaveh Amouzgar (University of Skövde)H-Index: 3
#2Sunith Bandaru (University of Skövde)H-Index: 11
Last. Amos H. C. Ng (University of Skövde)H-Index: 12
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Radial basis functions are augmented with a posteriori bias in order to perform robustly when used as metamodels. Recently, it has been proposed that the bias can simply be set a priori by using th ...
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#1Zhichao Cai (ECJTU: East China Jiaotong University)H-Index: 1
#2Hao Cheng (ECJTU: East China Jiaotong University)H-Index: 1
Last. Chengcheng Liu (HEBUT: Hebei University of Technology)H-Index: 7
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This paper describes an approach for measuring material plasticity using contactless electromagnetic acoustic method. Harmonic generation from noncumulative fundamental longitudinal wave in specimen is studied based on numerical method, and the contribution to harmonic generation from tensile damage is shown to be higher than that from a geometric factor; more serious damages increase the amplitude of second harmonics. These two experimental setups (nonlinear piezoelectric method and nonlinear e...
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#1Alessandro Ruggiero (UNISA: University of Salerno)H-Index: 15
#2Massimiliano MerolaH-Index: 11
Last. Saverio AffatatoH-Index: 25
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The hip joint replacement is one of the most successful orthopedic surgical procedures although it involves challenges to overcome. The patient group undergoing total hip arthroplasty now includes younger and more active patients who require a broad range of motion and a longer service lifetime for the replacement joint. It is well known that wear tests have a long duration and they are very expensive, thus studying the effects of geometry, loading, or alignment perturbations may be performed by...
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#1Xiao Ling YanH-Index: 1
#2Shi-Yun DongH-Index: 1
Last. Yong CaoH-Index: 1
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Stress in laser cladding coating is an important factor affecting the safe operation of remanufacturing components. Ultrasonic testing has become a popular approach in the nondestructive evaluation of stress, because it has the advantages of safety, nondestructiveness, and online detection. This paper provides a review of ultrasonic testing for stress in remanufacturing laser cladding coating. It summarizes the recent research outcomes on ultrasonic testing for stress, and analyzes the mechanism...
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#1Long Bai (UoB: University of Bristol)H-Index: 3
#2Alexander VelichkoH-Index: 13
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This paper studies ultrasonic defect characterisation with the aim of reducing the characterisation uncertainty. Ultrasonic array data contain a mixture of responses from all reflecting features, and the scattering matrix for each defect can be extracted in post-processing, which describes how ultrasonic waves at a given incident angle are scattered by a defect. In this paper, it is shown that defect characterisation performance can be improved by the inclusion of phase and frequency information...
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#1Bertrand Iooss (Institut de Mathématiques de Toulouse)H-Index: 15
#2Loic Le Gratiet (Environmental Defense Fund)H-Index: 6
A functional risk curve gives the probability of an undesirable event as a function of the value of a critical parameter of a considered physical system. In several applicative situations, this curve is built using phenomenological numerical models which simulate complex physical phenomena. To avoid cpu-time expensive numerical models, we propose to use Gaussian process regression to build functional risk curves. An algorithm is given to provide confidence bounds due to this approximation. Two m...
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#1Seung-Gyu Lee (KARI: Korea Aerospace Research Institute)H-Index: 2
#2Jae-Hoon Kim (CNU: Chungnam National University)H-Index: 12
A Markov chain simulation was performed to extract points in a failure region. A Kriging metamodel was constructed to approximate a limit state based on the points extracted by the Markov chain simulation. A kernel sampling density was constructed to approximate the optimal importance sampling density. The points extracted in the failure region by the Markov chain simulation were assumed as a mean of each kernel. An importance sampling method was applied to calculate the failure probability. In ...
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Cited By1
Newest
#1Xiaosong DuH-Index: 3
Last. Leifur Leifsson (Iowa State University)H-Index: 8
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This work proposes a novel multifidelity metamodeling approach, the polynomial chaos-based Cokriging (PC-Cokriging). The proposed approach is used for fast uncertainty propagation in a reliability analysis of nondestructive testing systems using model-assisted probability of detection (MAPOD). In particular, PC-Cokriging is a multivariate version of polynomial chaos-based Kriging (PC-Kriging), which aims at combining the advantages of the regression-based polynomial chaos expansions and the inte...
Source
#1Xiaosong Du (Iowa State University)H-Index: 3
#2Leifur Leifsson (Iowa State University)H-Index: 8
Last. Leifur Leifsson (Iowa State University)H-Index: 15
view all 2 authors...
Abstract This work introduces multifidelity metamodeling for reliability analysis of nondestructive testing (NDT) systems. Specifically, the Cokriging metamodel is utilized to accelerate the uncertainty propagation within model-assisted probability of detection (MAPOD) analysis of ultrasonic testing (UT) systems. The Cokriging multifidelity metamodel fuses a limited amount of data obtained from high-fidelity (HF) physics-based UT models, which are accurate but time-consuming to evaluate, with a ...
2 CitationsSource