JOURNAL ARTICLE
On the evaluation of crack energy density by .EPSILON.J-integral (Elasto-plastic crack and creep crack)
Katsuhiko WATANABEMasahiro Tsugai
Year: 1985 Journal: TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A Vol: 51 (466)Pages: 1563-1570 Publisher: Japan Society Mechanical Engineers
Abstract
き裂エネルギ密度をEJ積分によって評価するにあたって基本的問題について検討を行ったものであり, はじめにき裂エネルギ密度の弾性, 塑性, クリープの各寄与分およびき裂エネルギ密度分布を径路独立的な形で評価するEJ積分を新たに提示し, 次にこれらのEJ積分を弾塑性き裂, クリープき裂に適用し, 有限要素解析を行ってEJ積分によりEを実際に評価するにあたって手法の確立を計るとともにその基本的性質の定量的な検証を行う.
Keywords:
Creep Materials science Crack closure J integral Crack growth resistance curve Composite material Crack tip opening displacement Fracture mechanics Structural engineering Engineering
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Topics
Fatigue and fracture mechanics
Physical Sciences → Engineering → Mechanics of Materials
Structural Behavior of Reinforced Concrete
Physical Sciences → Engineering → Building and Construction
Numerical methods in engineering
Physical Sciences → Engineering → Mechanics of Materials
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