THE EFFECTS OF VISCOELASTIC MATERIAL ON BRAKE SQUEAL CONSIDERING COMPLEX EIGENVALUE METHOD

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TALEBITOOTI ROUHOLLAH; TORBATI A.A.

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Journal: Modares Mechanical Engineering Year:2014 | Volume:13 | Issue:14 Page(s): 160-170

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Title

THE EFFECTS OF VISCOELASTIC MATERIAL ON BRAKE SQUEAL CONSIDERING COMPLEX EIGENVALUE METHOD

Author(s)

TALEBITOOTI ROUHOLLAH | TORBATI A.A. | Issue Writer Certificate

Keywords

BRAKE SQUEALQ2

COMPLEX EIGENVALUEQ1

VISCOELASTIC ABSORBERQ2

NEGAMIQ2

HAVRILIAKQ2

STRAIN ENERGY ANALYSISQ2

Abstract

In this paper, viscoelastic insulators are employed into an automotive brake system to improve the vibration stability. Thus, the system stability has been considered with hypothesis of couple modes. Therefore, the originality of the paper includes the COMPLEX EIGENVALUE analysis of viscoelastic model in BRAKE SQUEAL phenomenon. Accordingly, the brake system is simulated in a FEM code and then, the viscoelastic materials are applied using NEGAMI-Havriliak model. Comparing the eigenvalue results in both cases, in which the viscoelastic material is treated as an absorber at the first case and without treatment for another case, indicates an improvement in instability mode at 12 kHz. In addition, applying these absorbers has no significant effects in low frequency. Furthermore, comparison of the results presented here with experimental ones done by other author, indicates the reliability of the presented model. Finally, with applying the STRAIN ENERGY ANALYSIS, the location of absorber treatment as well as its optimum thickness is concluded.

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APA: Copy

TALEBITOOTI, ROUHOLLAH, & TORBATI, A.A.. (2014). THE EFFECTS OF VISCOELASTIC MATERIAL ON BRAKE SQUEAL CONSIDERING COMPLEX EIGENVALUE METHOD. MODARES MECHANICAL ENGINEERING, 13(14), 160-170. SID. https://sid.ir/paper/178707/en

Vancouver: Copy

TALEBITOOTI ROUHOLLAH, TORBATI A.A.. THE EFFECTS OF VISCOELASTIC MATERIAL ON BRAKE SQUEAL CONSIDERING COMPLEX EIGENVALUE METHOD. MODARES MECHANICAL ENGINEERING[Internet]. 2014;13(14):160-170. Available from: https://sid.ir/paper/178707/en

IEEE: Copy

ROUHOLLAH TALEBITOOTI, and A.A. TORBATI, “THE EFFECTS OF VISCOELASTIC MATERIAL ON BRAKE SQUEAL CONSIDERING COMPLEX EIGENVALUE METHOD,” MODARES MECHANICAL ENGINEERING, vol. 13, no. 14, pp. 160–170, 2014, [Online]. Available: https://sid.ir/paper/178707/en

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