The objective of the present study is to identify the most suitable corrosion degradation model, fitted with real corrosion depth measurement data sets and to reproduce the corroded steel plate surface as a function of time and spatial distribution using advanced statistical methods. An approach for adequately identifying the best-fitted model to real corrosion depth measurement data sets is employed. Two distinct statistical methods for generating a statistical representation of a corroded plate surface in the case of significant and insignificant correlation of the corrosion degradation are provided. A sequence-dependent data analysis is performed based on the fast Fourier transform, which is used as an input for a random field modeling of corroded steel plate surfaces. The output of this study represents very important information about the corroded plate surface topology that can be used in any advanced finite element analyses of structural integrity assessment. The formulations can be adapted to any structural components and corrosion environments.
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June 2019
Research-Article
Spatial Corrosion Wastage Modeling of Steel Plates Exposed to Marine Environments
Yordan Garbatov,
Yordan Garbatov
Centre for Marine Technology and
Ocean Engineering (CENTEC),
Instituto Superior Técnico,
Universidade de Lisboa,
Av. Rovisco Pais,
Lisboa 1049-001, Portugal
e-mail: yordan.garbatov@centec.tecnico.ulisboa.pt
Ocean Engineering (CENTEC),
Instituto Superior Técnico,
Universidade de Lisboa,
Av. Rovisco Pais,
Lisboa 1049-001, Portugal
e-mail: yordan.garbatov@centec.tecnico.ulisboa.pt
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C. Guedes Soares
C. Guedes Soares
Fellow ASME
Centre for Marine Technology and
Ocean Engineering (CENTEC),
Instituto Superior Técnico,
Universidade de Lisboa,
Lisboa 1049-001, Portugal
e-mail: c.guedes.soares@centec.tecnico.ulisboa.pt
Centre for Marine Technology and
Ocean Engineering (CENTEC),
Instituto Superior Técnico,
Universidade de Lisboa,
Av. Rovisco Pais
,Lisboa 1049-001, Portugal
e-mail: c.guedes.soares@centec.tecnico.ulisboa.pt
Search for other works by this author on:
Yordan Garbatov
Centre for Marine Technology and
Ocean Engineering (CENTEC),
Instituto Superior Técnico,
Universidade de Lisboa,
Av. Rovisco Pais,
Lisboa 1049-001, Portugal
e-mail: yordan.garbatov@centec.tecnico.ulisboa.pt
Ocean Engineering (CENTEC),
Instituto Superior Técnico,
Universidade de Lisboa,
Av. Rovisco Pais,
Lisboa 1049-001, Portugal
e-mail: yordan.garbatov@centec.tecnico.ulisboa.pt
C. Guedes Soares
Fellow ASME
Centre for Marine Technology and
Ocean Engineering (CENTEC),
Instituto Superior Técnico,
Universidade de Lisboa,
Lisboa 1049-001, Portugal
e-mail: c.guedes.soares@centec.tecnico.ulisboa.pt
Centre for Marine Technology and
Ocean Engineering (CENTEC),
Instituto Superior Técnico,
Universidade de Lisboa,
Av. Rovisco Pais
,Lisboa 1049-001, Portugal
e-mail: c.guedes.soares@centec.tecnico.ulisboa.pt
1Corresponding author.
Contributed by the Ocean, Offshore, and Arctic Engineering Division of ASME for publication in the JOURNAL OF OFFSHORE MECHANICS AND ARCTIC ENGINEERING. Manuscript received February 10, 2018; final manuscript received July 18, 2018; published online January 17, 2019. Assoc. Editor: Jonas W. Ringsberg.
J. Offshore Mech. Arct. Eng. Jun 2019, 141(3): 031602 (6 pages)
Published Online: January 17, 2019
Article history
Received:
February 10, 2018
Revised:
July 18, 2018
Citation
Garbatov, Y., and Guedes Soares, C. (January 17, 2019). "Spatial Corrosion Wastage Modeling of Steel Plates Exposed to Marine Environments." ASME. J. Offshore Mech. Arct. Eng. June 2019; 141(3): 031602. https://doi.org/10.1115/1.4041991
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