MIXED-MODE DYNAMIC FRACTURE ANALYSIS OF FGM PLATE BY MFREE METHOD

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ABDOLLAHIFAR A.; NAMI M.R.; SARANJAM B.

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Paper Information

Journal: Journal of Applied and Computational Sciences in Mechanics Year:2014 | Volume:25 | Issue:2 (10) Page(s): 1-18

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Title

MIXED-MODE DYNAMIC FRACTURE ANALYSIS OF FGM PLATE BY MFREE METHOD

Author(s)

ABDOLLAHIFAR A. | NAMI M.R. | SARANJAM B. | Issue Writer Certificate

Keywords

MIXED-MODE DYNAMIC FRACTURE ANALYSISQ2

MESHLESS LOCAL PETROV-GALERKIN (MLPG) METHODQ2

MATERIAL GRADATION ANGLEQ2

FUNCTIONALLY GRADED MATERIAL (FGM)Q2

NEWMARK METHODQ2

CENTRAL DIFFERENCE METHOD (CDM)Q2

Abstract

In this paper, the MIXED-MODE DYNAMIC FRACTURE ANALYSIS of a FGM plate is performed using MLPG method also the effect of changes in value and angle of material gradation on the dynamic Stress Intensity Fctor (SIF) of Mode I, II, and effective are investigated. To solve time dependent equations that discretized by MLPG method, the Central Difference Method (CDM) and the NEWMARK METHOD are used. Although the J integral is one of the most common methods to calculate the SIF, but in general, it is not applicable for FGMs. So, in this paper the path independent integral, J*, which is formulated for the nonhomogeneous material is used to calculate stress intensity factor. Results show that the present method has good agreement with the exact and other existent solutions. Results also, show the maximum and minimum values of effective stress intensity factor for E2/E1>1 are occurred at MATERIAL GRADATION ANGLE equal to 0o and 90o respectively, and for E2/E1<1, vice versa.

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APA: Copy

ABDOLLAHIFAR, A., NAMI, M.R., & SARANJAM, B.. (2014). MIXED-MODE DYNAMIC FRACTURE ANALYSIS OF FGM PLATE BY MFREE METHOD. JOURNAL OF APPLIED AND COMPUTATIONAL SCIENCES IN MECHANICS (JOURNAL OF SCHOOL OF ENGINEERING), 25(2 (10)), 1-18. SID. https://sid.ir/paper/196213/en

Vancouver: Copy

ABDOLLAHIFAR A., NAMI M.R., SARANJAM B.. MIXED-MODE DYNAMIC FRACTURE ANALYSIS OF FGM PLATE BY MFREE METHOD. JOURNAL OF APPLIED AND COMPUTATIONAL SCIENCES IN MECHANICS (JOURNAL OF SCHOOL OF ENGINEERING)[Internet]. 2014;25(2 (10)):1-18. Available from: https://sid.ir/paper/196213/en

IEEE: Copy

A. ABDOLLAHIFAR, M.R. NAMI, and B. SARANJAM, “MIXED-MODE DYNAMIC FRACTURE ANALYSIS OF FGM PLATE BY MFREE METHOD,” JOURNAL OF APPLIED AND COMPUTATIONAL SCIENCES IN MECHANICS (JOURNAL OF SCHOOL OF ENGINEERING), vol. 25, no. 2 (10), pp. 1–18, 2014, [Online]. Available: https://sid.ir/paper/196213/en

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