Fully automated mixed mode crack propagation analyses based on tetrahedral finite element and vccm (virtual crack closure-integral method

H. Okada; H. Kawai; T. Tokuda; Y. Fukui

Fully automated mixed mode crack propagation analyses based on tetrahedral finite element and vccm (virtual crack closure-integral method

H. Okada, H. Kawai, T. Tokuda, Y. Fukui

機械工学科

研究成果: Paper › 査読

抄録

The authors have been developing a crack propagation analysis system that can deal with arbitrary shaped cracks in three-dimensional solids. The system is consisting of mesh generation software, a large-scale finite element analysis program and a fracture mechanics module. To evaluate the stress intensity factors, a Virtual Crack Closure-Integral Method (VCCMfor the second-order tetrahedral finite element is adopted and is included in the fracture mechanics module. The rate and direction of crack propagation are predicted by using appropriate formulae based on the stress intensity factors.

本文言語	English
出版ステータス	Published - 1 12月 2010
イベント	18th European Conference on Fracture: Fracture of Materials and Structures from Micro to Macro Scale, ECF 2010 - Dresden, Germany 継続期間: 30 8月 2010 → 3 9月 2010

Conference

Conference	18th European Conference on Fracture: Fracture of Materials and Structures from Micro to Macro Scale, ECF 2010
国/地域	Germany
City	Dresden
Period	30/08/10 → 3/09/10

他のファイルとリンク

Link to publication in Scopus

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引用スタイル

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AU - Okada, H.

AU - Kawai, H.

AU - Tokuda, T.

AU - Fukui, Y.

PY - 2010/12/1

Y1 - 2010/12/1

N2 - The authors have been developing a crack propagation analysis system that can deal with arbitrary shaped cracks in three-dimensional solids. The system is consisting of mesh generation software, a large-scale finite element analysis program and a fracture mechanics module. To evaluate the stress intensity factors, a Virtual Crack Closure-Integral Method (VCCMfor the second-order tetrahedral finite element is adopted and is included in the fracture mechanics module. The rate and direction of crack propagation are predicted by using appropriate formulae based on the stress intensity factors.

AB - The authors have been developing a crack propagation analysis system that can deal with arbitrary shaped cracks in three-dimensional solids. The system is consisting of mesh generation software, a large-scale finite element analysis program and a fracture mechanics module. To evaluate the stress intensity factors, a Virtual Crack Closure-Integral Method (VCCMfor the second-order tetrahedral finite element is adopted and is included in the fracture mechanics module. The rate and direction of crack propagation are predicted by using appropriate formulae based on the stress intensity factors.

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T2 - 18th European Conference on Fracture: Fracture of Materials and Structures from Micro to Macro Scale, ECF 2010

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