MULTIPLE SCATTERING OF AN ACOUSTIC WAVE FROM FIBERS ENCASED IN A SOLID VISCOELASTIC MEDIUM

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TAHERI ALI; HONARVAR FARHANG

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Journal: Modares Mechanical Engineering Year:2015 | Volume:14 | Issue:15 Page(s): 423-430

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Information Journal Paper

Title

MULTIPLE SCATTERING OF AN ACOUSTIC WAVE FROM FIBERS ENCASED IN A SOLID VISCOELASTIC MEDIUM

Author(s)

TAHERI ALI | HONARVAR FARHANG | Issue Writer Certificate

Keywords

MULTIPLE SCATTERINGQ2

FIBER REINFORCED COMPOSITEQ2

TRANSVERSELY ISOTROPIC FIBERQ2

VISCOELASTIC MATERIALQ2

Abstract

In this paper, the problem of MULTIPLE SCATTERING of obliquely incident elastic waves from fibers encased in a solid viscoelastic medium is studied. This problem has applications in ultrasonic nondestructive testing of composite materials. The fibers could be either isotropic or transversely isotropic. Based on the existing theory of elastic wave scattering from a single fiber, a mathematical model was developed for the MULTIPLE SCATTERING of elastic waves from a number of parallel fibers embedded in a viscoelastic matrix. This model incorporates all three types of longitudinal, horizontally polarized shear, and vertically polarized shear waves. The incident wave angle can be arbitrarily chosen and the receiver can be at any desired location in space. The model is capable of handling any order of scattering from any number of cylinders. To validate the numerical results, a number of experiments were carried out on two steel cylinders embedded in a polymeric block. Using an ultrasonic probe, the scattered field from this block was measured and analyzed. The analytical and experimental results showed good agreement, particularly at their resonance frequencies.

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APA: Copy

TAHERI, ALI, & HONARVAR, FARHANG. (2015). MULTIPLE SCATTERING OF AN ACOUSTIC WAVE FROM FIBERS ENCASED IN A SOLID VISCOELASTIC MEDIUM. MODARES MECHANICAL ENGINEERING, 14(15), 423-430. SID. https://sid.ir/paper/177723/en

Vancouver: Copy

TAHERI ALI, HONARVAR FARHANG. MULTIPLE SCATTERING OF AN ACOUSTIC WAVE FROM FIBERS ENCASED IN A SOLID VISCOELASTIC MEDIUM. MODARES MECHANICAL ENGINEERING[Internet]. 2015;14(15):423-430. Available from: https://sid.ir/paper/177723/en

IEEE: Copy

ALI TAHERI, and FARHANG HONARVAR, “MULTIPLE SCATTERING OF AN ACOUSTIC WAVE FROM FIBERS ENCASED IN A SOLID VISCOELASTIC MEDIUM,” MODARES MECHANICAL ENGINEERING, vol. 14, no. 15, pp. 423–430, 2015, [Online]. Available: https://sid.ir/paper/177723/en

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