Dynamic Stress Field Around the Mode Ⅲ Crack Tip in an Orthotropic Functionally Graded Material

Li Chunyu; Zhou Zhenzhu; Duan Zhuping

Volume 21 Issue 6

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Article Navigation > Applied Mathematics and Mechanics > 2000 > 21(6): 590-596

Li Chunyu, Zhou Zhenzhu, Duan Zhuping. Dynamic Stress Field Around the Mode Ⅲ Crack Tip in an Orthotropic Functionally Graded Material[J]. Applied Mathematics and Mechanics, 2000, 21(6): 590-596.

Citation:

Li Chunyu, Zhou Zhenzhu, Duan Zhuping. Dynamic Stress Field Around the Mode Ⅲ Crack Tip in an Orthotropic Functionally Graded Material[J]. Applied Mathematics and Mechanics, 2000, 21(6): 590-596.

Citation:

Li Chunyu, Zhou Zhenzhu, Duan Zhuping. Dynamic Stress Field Around the Mode Ⅲ Crack Tip in an Orthotropic Functionally Graded Material[J]. Applied Mathematics and Mechanics, 2000, 21(6): 590-596.

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Dynamic Stress Field Around the Mode Ⅲ Crack Tip in an Orthotropic Functionally Graded Material

1.
Department of Architectural Engineering, Shijiazhuang Railway Institute, Shijiazhuang 050043, P R China;
2.
Department of Communication Engineering, Shijiazhuang Railway Institute, Shijiazhuang 050043, P R China;
3.
LNM, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100080, P R China

Received Date: 1999-01-18
Rev Recd Date: 1999-12-15
Publish Date: 2000-06-15

Abstract

Abstract

The problem of a Griffith crack in an unbounded orthotr opic functionally graded material subjected to antiplane shear impact was studied.The shear moduli in two directions of the functionally graded material were assumed to vary proportionately as definite gradient.By using integral transforms and dualimtegral equations,the local dynamic stress field was obtained.The results of dynamic stress intensity factor show that increasing shear moduli's gradient of FGM or increasing the shear modulus in direction perpendicular to crack surface can restrain the magnitude of dynamic stress intensity factor.
- aniso tropic media,
- functionally graded materials,
- dynamic stress intensity factor,
- crack,
- impact

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References(9)

References

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