USING XFEM FOR INVESTIGATING THE CRACK GROWTH OF CRACKED ALUMINUM PLATES REPAIRED WITH FIBER METAL LAMINATE (FML) PATCHES

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ASHENAI GHASEMI FARAMARZ; POURKAMALI ANARAKI ALI; ROUZBAHANI A.H.

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Journal: Modares Mechanical Engineering Year:2014 | Volume:13 | Issue:14 Page(s): 15-27

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Title

USING XFEM FOR INVESTIGATING THE CRACK GROWTH OF CRACKED ALUMINUM PLATES REPAIRED WITH FIBER METAL LAMINATE (FML) PATCHES

Author(s)

ASHENAI GHASEMI FARAMARZ | POURKAMALI ANARAKI ALI | ROUZBAHANI A.H. | Issue Writer Certificate

Keywords

EXTENDED FINITE ELEMENTQ2

FML COMPOSITE PATCHQ2

STRESS INTENSITY FACTORQ2

Abstract

EXTENDED FINITE ELEMENT method (XFEM) is one of the strongest numerical methods that its basis is finite element but regardless of mesh location respect to discountinuty solves the problems. In this method, using of enreaching the nodes and increasing of their degrees of freedom (from 2 to 4 or even upto 10) virtually and without verifying the mesh and geometry of discountinuty, one can model and develop the required governing equations of the system. In this paper, fatigue crack growth of repaired aluminum panels containing a crack is studied. The cracked panels were repaired on one side with glass/epoxy composite patches in the mixed mode condition. The EXTENDED FINITE ELEMENT method is used to study the effects of patch lay-up configuration on crack front displacement and STRESS INTENSITY FACTOR and the effect of crack angle on STRESS INTENSITY FACTOR of the repaired panels. The results show that the plate-fiber-fiber-aluminum configuration has best effect and it could reduce the STRESS INTENSITY FACTOR (k1) by upto seventy percent.

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APA: Copy

ASHENAI GHASEMI, FARAMARZ, POURKAMALI ANARAKI, ALI, & ROUZBAHANI, A.H.. (2014). USING XFEM FOR INVESTIGATING THE CRACK GROWTH OF CRACKED ALUMINUM PLATES REPAIRED WITH FIBER METAL LAMINATE (FML) PATCHES. MODARES MECHANICAL ENGINEERING, 13(14), 15-27. SID. https://sid.ir/paper/178705/en

Vancouver: Copy

ASHENAI GHASEMI FARAMARZ, POURKAMALI ANARAKI ALI, ROUZBAHANI A.H.. USING XFEM FOR INVESTIGATING THE CRACK GROWTH OF CRACKED ALUMINUM PLATES REPAIRED WITH FIBER METAL LAMINATE (FML) PATCHES. MODARES MECHANICAL ENGINEERING[Internet]. 2014;13(14):15-27. Available from: https://sid.ir/paper/178705/en

IEEE: Copy

FARAMARZ ASHENAI GHASEMI, ALI POURKAMALI ANARAKI, and A.H. ROUZBAHANI, “USING XFEM FOR INVESTIGATING THE CRACK GROWTH OF CRACKED ALUMINUM PLATES REPAIRED WITH FIBER METAL LAMINATE (FML) PATCHES,” MODARES MECHANICAL ENGINEERING, vol. 13, no. 14, pp. 15–27, 2014, [Online]. Available: https://sid.ir/paper/178705/en

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