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Steel and Composite Structures Volume 13, Number 2, August 2012 , pages 187-206 DOI: https://doi.org/10.12989/scs.2012.13.2.187 |
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Numerical analysis of center cracked orthotropic fgm plate: Crack and material axes differ by θ° |
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Mete Onur Kaman and Fatih Cetisli*
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Abstract | ||
In this study, fracture analysis of orthotropic FGM (Functionally Graded Material) plate having center crack is performed, numerically. Material axis arbitrarily oriented and there is an angle θ° between material and crack axes. Stress intensity factors at the crack tips for Mode I are calculated using Displacement Correlation Method (DCM). In numerical analysis, effects of material properties and variation of angle θ° between material and crack axes on the fracture behavior are investigated for four different boundary conditions. Consequently, it is found that the effect of θ° on stress intensity factor depends on variation of material properties. | ||
Key Words | ||
orthotropic functionally graded materials; displacement correlation method; finite element analysis; stress intensity factor; aerospace structures | ||
Address | ||
Mete Onur Kaman : Firat University, Department of Mechanical Engineering, Elazig, Turkey Fatih Cetisli : Firat University, Department of Civil Engineering, Elazig, Turkey | ||