NUMERICAL DETERMINATION OF DELAMINATION ONSET IN LAMINATED SYMMETRIC DCB SPECIMEN

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SHOKRIEH M.M.; HEIDARI RARANI M.; RAHIMI S.

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Journal: JOURNAL OF SIMULATION AND ANALYSIS OF NOVEL TECHNOLOGIES IN MECHANICAL ENGINEERING (JOURNAL OF SOLID MECHANICS IN ENGINEERING) Year:2010 | Volume:2 | Issue:2 Page(s): 47-55

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Title

NUMERICAL DETERMINATION OF DELAMINATION ONSET IN LAMINATED SYMMETRIC DCB SPECIMEN

Author(s)

SHOKRIEH M.M. | HEIDARI RARANI M. | RAHIMI S. | Issue Writer Certificate

Keywords

DELAMINATION TOUGHNESSQ2

DCB SPECIMENQ1

STRAIN ENERGY RELEASE RATEQ3

Abstract

In this study, a novel numerical method is proposed for determination of mode-I interlaminar fracture toughness, GIc, in multi-directional (MD) double cantilever beam (DCB) specimens using fracture properties of unidirectional DCB SPECIMENs. Two factors, b and Dc are defined to minimize the undesirable effects on STRAIN ENERGY RELEASE RATE. b describes the difference between maximum and average of SERR along the delamination front. Dc shows the bending-bending coupling of laminated composites. b and Dc factors are not independent factors because both of them affect on distribution of SERR. As a result, by 3D modeling of DCB SPECIMEN in ANSYS software, limitation of b is determined so that the fracture toughness of MD DCB SPECIMEN with 0//0 interface can be predicted from toughness of unidirectional DCB SPECIMEN. Numerical results shows that fracture toughness predicted with the proposed approach is in good agreement with available experiments in the literature for b<20%.

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References

مدلی جدید برای تعیین چقرمگی شکست مود I تورق در قطعه DCB با استفاده از مدل تیر تیموشنکو بر روی بستر الاستیک دوپارامتری (همایش)

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APA: Copy

SHOKRIEH, M.M., HEIDARI RARANI, M., & RAHIMI, S.. (2010). NUMERICAL DETERMINATION OF DELAMINATION ONSET IN LAMINATED SYMMETRIC DCB SPECIMEN. JOURNAL OF SIMULATION AND ANALYSIS OF NOVEL TECHNOLOGIES IN MECHANICAL ENGINEERING (JOURNAL OF SOLID MECHANICS IN ENGINEERING), 2(2), 47-55. SID. https://sid.ir/paper/171267/en

Vancouver: Copy

SHOKRIEH M.M., HEIDARI RARANI M., RAHIMI S.. NUMERICAL DETERMINATION OF DELAMINATION ONSET IN LAMINATED SYMMETRIC DCB SPECIMEN. JOURNAL OF SIMULATION AND ANALYSIS OF NOVEL TECHNOLOGIES IN MECHANICAL ENGINEERING (JOURNAL OF SOLID MECHANICS IN ENGINEERING)[Internet]. 2010;2(2):47-55. Available from: https://sid.ir/paper/171267/en

IEEE: Copy

M.M. SHOKRIEH, M. HEIDARI RARANI, and S. RAHIMI, “NUMERICAL DETERMINATION OF DELAMINATION ONSET IN LAMINATED SYMMETRIC DCB SPECIMEN,” JOURNAL OF SIMULATION AND ANALYSIS OF NOVEL TECHNOLOGIES IN MECHANICAL ENGINEERING (JOURNAL OF SOLID MECHANICS IN ENGINEERING), vol. 2, no. 2, pp. 47–55, 2010, [Online]. Available: https://sid.ir/paper/171267/en

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