EVALUATING A FEATURE EXTRACTION ALGORITHM FOR DAMAGE DETECTION OFOFFSHORE JACKET PLATFORMS USING PHYSICAL MODEL AND FINITE ELEMENT MODEL UPDATING

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Hosseinlou Farhad; Mojtahedi Alireza; LOTFOLLAHI MOHAMMAD ALI

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Journal: JOURNAL OF MARINE ENGINEERING Year:2016 | Volume:12 | Issue:23 Page(s): 0-0

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Title

EVALUATING A FEATURE EXTRACTION ALGORITHM FOR DAMAGE DETECTION OFOFFSHORE JACKET PLATFORMS USING PHYSICAL MODEL AND FINITE ELEMENT MODEL UPDATING

Author(s)

Hosseinlou Farhad | Mojtahedi Alireza | LOTFOLLAHI MOHAMMAD ALI | Issue Writer Certificate

Keywords

OFFSHORE JACKET PLATFORMS

DAMAGE DETECTION

MODEL UPDATING

MODEL REDUCTION

SENSITIVITY ANALYSIS

Abstract

One of the most important items in the field of engineering and design of structures issafety assessment. It is usually complicated, due to uncertainty in determining themost important parameters in the final design. This paper describes a new method forupdating stiffness matrix structure that is capable of identifying the damage toindividual members, when limited modal data is available by using results of theexperiment on physical model of the OFFSHORE JACKET PLATFORMS. We evaluated selectionprocedure inactive degrees of freedom in the process reduced model with a reasonablecriterion by using the SENSITIVITY ANALYSIS of system response under base excitation.This performance leads to faster convergence of iterative algorithm. Also, in thisstudy, with using the finite element MODEL UPDATING based on the empirical models, itwas considered during the process as much as possible to overcome the problem ofuncertainty in modeling.

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APA: Copy

Hosseinlou, Farhad, Mojtahedi, Alireza, & LOTFOLLAHI, MOHAMMAD ALI. (2016). EVALUATING A FEATURE EXTRACTION ALGORITHM FOR DAMAGE DETECTION OFOFFSHORE JACKET PLATFORMS USING PHYSICAL MODEL AND FINITE ELEMENT MODEL UPDATING. JOURNAL OF MARINE ENGINEERING, 12(23), 0-0. SID. https://sid.ir/paper/687684/en

Vancouver: Copy

Hosseinlou Farhad, Mojtahedi Alireza, LOTFOLLAHI MOHAMMAD ALI. EVALUATING A FEATURE EXTRACTION ALGORITHM FOR DAMAGE DETECTION OFOFFSHORE JACKET PLATFORMS USING PHYSICAL MODEL AND FINITE ELEMENT MODEL UPDATING. JOURNAL OF MARINE ENGINEERING[Internet]. 2016;12(23):0-0. Available from: https://sid.ir/paper/687684/en

IEEE: Copy

Farhad Hosseinlou, Alireza Mojtahedi, and MOHAMMAD ALI LOTFOLLAHI, “EVALUATING A FEATURE EXTRACTION ALGORITHM FOR DAMAGE DETECTION OFOFFSHORE JACKET PLATFORMS USING PHYSICAL MODEL AND FINITE ELEMENT MODEL UPDATING,” JOURNAL OF MARINE ENGINEERING, vol. 12, no. 23, pp. 0–0, 2016, [Online]. Available: https://sid.ir/paper/687684/en

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