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Cites:

1

Information Journal Paper

Title

DETECTION OF A THROUGH-THICKNESS CRACK BASED ON ELASTIC WAVE SCATTERING IN PLATES PART II: INVERSE SOLUTION

Pages

  433-454

Keywords

TIME DELAY (DIFFERENCES) OF ARRIVAL 

Abstract

 In the first part of the present paper, a numerical method called spectral finite element method (SFEM) is presented. As shown there, SFEM offered a promising performance in simulating wave scattering phenomena in plates, with less computational effort while obtaining the highest resolution. The forward solution of wave scattering phenomenon based on the differential waveform of highest resolution plays a crucial role for detection of through-thickness crack in plates, as an inverse problem. Therefore, the results of the first part of the paper have been used in the second present part, in which a novel approach in wave scattering based crack detection, according to the concept of Time Delay (Differences) Of Arrival (TDOA) has been presented. In the past decades, TDOA and its related concepts have been applied generally on the problem of localization and pursuing sound sources in robotics, electronics engineering, control engineering, and so on. However, in this study TDOA is employed for crack detection problems for the first time. Introducing TDOA has provided a robust algorithm for crack detection which is highly sensitive to the crack location and size. Using the proposed algorithm, a couple of numerical case studies has been studied, in which the predicted crack location and dimensions are quite encouraging.

Cites

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    • Cite

    APA: Copy

    KAZEMI NOUREINI, H., & KHAJI, N.. (2012). DETECTION OF A THROUGH-THICKNESS CRACK BASED ON ELASTIC WAVE SCATTERING IN PLATES PART II: INVERSE SOLUTION. ASIAN JOURNAL OF CIVIL ENGINEERING (BUILDING AND HOUSING), 13(4), 433-454. SID. https://sid.ir/paper/298912/en

    Vancouver: Copy

    KAZEMI NOUREINI H., KHAJI N.. DETECTION OF A THROUGH-THICKNESS CRACK BASED ON ELASTIC WAVE SCATTERING IN PLATES PART II: INVERSE SOLUTION. ASIAN JOURNAL OF CIVIL ENGINEERING (BUILDING AND HOUSING)[Internet]. 2012;13(4):433-454. Available from: https://sid.ir/paper/298912/en

    IEEE: Copy

    H. KAZEMI NOUREINI, and N. KHAJI, “DETECTION OF A THROUGH-THICKNESS CRACK BASED ON ELASTIC WAVE SCATTERING IN PLATES PART II: INVERSE SOLUTION,” ASIAN JOURNAL OF CIVIL ENGINEERING (BUILDING AND HOUSING), vol. 13, no. 4, pp. 433–454, 2012, [Online]. Available: https://sid.ir/paper/298912/en

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