A Theory of Caustics for Mixed-Mode Fast-Running Cracks : Higher-Order Theory
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概要
- 論文の詳細を見る
A higher-order theory of caustics for mixed-mode running cracks is developed by using the general asymptotic solutions for a dynamically propagating crack tip. The analytical expressions are obtained for the Jacobian equation that determines the initial curve, and for the image equations on a screen. With the use of the higher-order coefficients determined by the finite-element simulations of actual dynamic fracture experiments, the effects of the higher-order terms on the caustic curve are investigated on the basis of the present theory. It was found that the r^<1/2> stress field plays an important role in the formation of caustic patterns. A higher-order theory of caustics for stationary cracks is also derived in this paper.
- 一般社団法人日本機械学会の論文
- 1994-01-15
著者
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MAEDA Naomi
Department of Surgical and Molecular Pathology, Dokkyo University School of Medicine
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Maeda Naomi
Department Of Ocean Mechanical Engineering Kobe University Of Mercantile Marine
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Maeda Naomi
Department Of Internal Medicine Kakogawa Municipal Hospital
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Nishioka Toshihisa
Department of Ocean Electro-Mechanical Engineering, Kobe University of Mercantile Marine
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Murakami Ryuichi
Department of Ocean Electro-Mechanical Engineering, Kobe University of Mercantile Marine
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Ohishi Yukiharu
Department of Ocean Mechanical Engineering, Kobe University of Mercantile Marine
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Murakami Ryuichi
Department Of Ocean Mechanical Engineering Kobe University Of Mercantile Marine
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Murakami Ryuichi
Department Of Ocean Electro-mechanical Engineering Kobe University Of Mercantile Marine
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Nishioka Toshihisa
Department Of Ocean Electro-mechanical Engineering Kobe University Of Mercantile Marine
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Ohishi Yukiharu
Department Of Ocean Mechanical Engineering Kobe University Of Mercantile Marine
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Maeda Naomi
Department Of Bioresources Chemistry Faculty Of Agriculture Okayama University
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