Multifidelity Modeling of Ultrasonic Testing Simulations with Cokriging

被引:0
作者
Leifsson, Leifur [1 ]
Du, Xiaosong [1 ]
Koziel, Slawomir [2 ]
机构
[1] Iowa State Univ, Dept Aerosp Engn, Ames, IA 50011 USA
[2] Reykjavik Univ, Engn Opt & Modeling Ctr, Reykjavik, Iceland
来源
2018 IEEE MTT-S INTERNATIONAL CONFERENCE ON NUMERICAL ELECTROMAGNETIC AND MULTIPHYSICS MODELING AND OPTIMIZATION (NEMO) | 2018年
关键词
nondestructive evaluation; ultrasonic testing; simulations; metamodeling; polynomial chaos expansions; kriging; cokriging;
D O I
暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Multifidelity methods are introduced to the nondestructive evaluation (NDE) of measurement systems. In particular, Cokriging interpolation metamodels of physics-based ultrasonic testing (UT) simulation responses are utilized to accelerate the uncertainty propagation in model-assisted NDE. The proposed approach is applied to a benchmark test case of UT simulations and compared with the current state-of-the-art techniques. The results show that Cokriging captures the physics of the problem well and is able to reduce the computational burden by over one order of magnitude compared to the state of the art. To the best of the author's knowledge, this the first time multifidelity methods are applied to model-assisted NDE problems.
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页数:4
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