Accurate prediction of unknown corrosion currents distributed on the hull of a naval ship utilizing material sensitivity analysis

Hyun Ju Chung; Chang Seob Yang; Jae Jin Jeon; Gi Woo Jeung; Dong Hun Kim

doi:10.1109/CEFC.2010.5481301

Accurate prediction of unknown corrosion currents distributed on the hull of a naval ship utilizing material sensitivity analysis

Hyun Ju Chung, Chang Seob Yang, Jae Jin Jeon, Gi Woo Jeung, Dong Hun Kim

Department of Electrical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

This paper presents an efficient approach to determining the corrosion currents distributed on the hull of a naval ship, which offer useful information for underwater electric fields prediction and diagnosis of hull corrosion state. To achieve this, a material sensitivity formula, which gives the first-order gradient information of an objective function with respect to the electric current, is analytically derived. The validity of the method has been proved through the comparison of the predicted and the targeted fields for a test ship model.

Original language	English
Title of host publication	Digests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation, CEFC 2010
DOIs	https://doi.org/10.1109/CEFC.2010.5481301
State	Published - 2010
Event	14th Biennial IEEE Conference on Electromagnetic Field Computation, CEFC2010 - Chicago, IL, United States Duration: 9 May 2010 → 12 May 2010

Publication series

Name	Digests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation, CEFC 2010

Conference

Conference	14th Biennial IEEE Conference on Electromagnetic Field Computation, CEFC2010
Country/Territory	United States
City	Chicago, IL
Period	9/05/10 → 12/05/10

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10.1109/CEFC.2010.5481301

Cite this

Chung, H. J., Yang, C. S., Jeon, J. J., Jeung, G. W., & Kim, D. H. (2010). Accurate prediction of unknown corrosion currents distributed on the hull of a naval ship utilizing material sensitivity analysis. In Digests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation, CEFC 2010 Article 5481301 (Digests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation, CEFC 2010). https://doi.org/10.1109/CEFC.2010.5481301

Chung, Hyun Ju ; Yang, Chang Seob ; Jeon, Jae Jin et al. / Accurate prediction of unknown corrosion currents distributed on the hull of a naval ship utilizing material sensitivity analysis. Digests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation, CEFC 2010. 2010. (Digests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation, CEFC 2010).

@inproceedings{d0a17ae59fe44f7993fccffe7b34fb05,

title = "Accurate prediction of unknown corrosion currents distributed on the hull of a naval ship utilizing material sensitivity analysis",

abstract = "This paper presents an efficient approach to determining the corrosion currents distributed on the hull of a naval ship, which offer useful information for underwater electric fields prediction and diagnosis of hull corrosion state. To achieve this, a material sensitivity formula, which gives the first-order gradient information of an objective function with respect to the electric current, is analytically derived. The validity of the method has been proved through the comparison of the predicted and the targeted fields for a test ship model.",

author = "Chung, {Hyun Ju} and Yang, {Chang Seob} and Jeon, {Jae Jin} and Jeung, {Gi Woo} and Kim, {Dong Hun}",

year = "2010",

doi = "10.1109/CEFC.2010.5481301",

language = "English",

isbn = "9781424470594",

series = "Digests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation, CEFC 2010",

booktitle = "Digests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation, CEFC 2010",

note = "14th Biennial IEEE Conference on Electromagnetic Field Computation, CEFC2010 ; Conference date: 09-05-2010 Through 12-05-2010",

}

Chung, HJ, Yang, CS, Jeon, JJ, Jeung, GW & Kim, DH 2010, Accurate prediction of unknown corrosion currents distributed on the hull of a naval ship utilizing material sensitivity analysis. in Digests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation, CEFC 2010., 5481301, Digests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation, CEFC 2010, 14th Biennial IEEE Conference on Electromagnetic Field Computation, CEFC2010, Chicago, IL, United States, 9/05/10. https://doi.org/10.1109/CEFC.2010.5481301

Accurate prediction of unknown corrosion currents distributed on the hull of a naval ship utilizing material sensitivity analysis. / Chung, Hyun Ju; Yang, Chang Seob; Jeon, Jae Jin et al.
Digests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation, CEFC 2010. 2010. 5481301 (Digests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation, CEFC 2010).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AU - Kim, Dong Hun

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AB - This paper presents an efficient approach to determining the corrosion currents distributed on the hull of a naval ship, which offer useful information for underwater electric fields prediction and diagnosis of hull corrosion state. To achieve this, a material sensitivity formula, which gives the first-order gradient information of an objective function with respect to the electric current, is analytically derived. The validity of the method has been proved through the comparison of the predicted and the targeted fields for a test ship model.

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Chung HJ, Yang CS, Jeon JJ, Jeung GW, Kim DH. Accurate prediction of unknown corrosion currents distributed on the hull of a naval ship utilizing material sensitivity analysis. In Digests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation, CEFC 2010. 2010. 5481301. (Digests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation, CEFC 2010). doi: 10.1109/CEFC.2010.5481301

Accurate prediction of unknown corrosion currents distributed on the hull of a naval ship utilizing material sensitivity analysis

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