Memoirs of the Faculty of Engineering, Yamaguchi University

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Memoirs of the Faculty of Engineering, Yamaguchi University Volume 48 Issue 1
published_at 1997

Singularity and distribution of stresses at and around tip of a shallow crack

Cusp 型亀裂先端のまわりの応力分布
Iino Makio
Ohsaki Shuhei
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About This Article
Descriptions
Cusp型モードI表面亀裂に誘起される応力場を,等角写像の手法を用いて解析的に導き,応力強度因子(stress intensity factor)の大きさを決定した。応力強度因子K_Iに及ぼす表面効果はK_I=βσ[πc]^<1/2>におけるファクターβ=3・ 2^<-3/2>により与えられることが示された。ここに,σおよびcは無限遠方に作用するモードI応力および表面亀裂深さである。
Creator Keywords
Stress intensity
Edge crack of a cusp type
Mode I
Surface effect
Complex potentials
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