## Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 4; Volume 8, Part 4American Society of Mechanical Engineers, 1989 - Arctic regions |

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Page 49

Let us assume that there exists a creep potential function was follows ( Betten ,

1984 and 1986 ; Rees , 1983 ) n + 1 W -ntI A n + 1 ( 5 ) o 1 + 2 At = A *** Αμ

where n and A are

depends on ...

Let us assume that there exists a creep potential function was follows ( Betten ,

1984 and 1986 ; Rees , 1983 ) n + 1 W -ntI A n + 1 ( 5 ) o 1 + 2 At = A *** Αμ

where n and A are

**material**constants and oe is the effective stress , whichdepends on ...

Page 59

The true stress tensor g represents the state of stress in the ' uncracked

between cracks . It is an average stress , since it does not describe the stress

peaks near the crack tips . The nominal stress tensor s is the internal force per ...

The true stress tensor g represents the state of stress in the ' uncracked

**material**'between cracks . It is an average stress , since it does not describe the stress

peaks near the crack tips . The nominal stress tensor s is the internal force per ...

Page 281

Brittle

strain softening

Brittle

**material**can be regarded as a limiting case of a plastic strain - softening**material**( Bezant and on , 1984 ) . The collapse load of a structure made of astrain softening

**material**should be less than the corresponding collapse load ...### What people are saying - Write a review

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### Contents

OFFSHORE MECHANICS | 1 |

ICE FORCES | 11 |

MATERIALS TECHNOLOGY | 24 |

Copyright | |

22 other sections not shown

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### Common terms and phrases

analysis applied approach Arctic assumed average behaviour body calculated coefficient components compression compressive stress computed considered constant crack creep damage deformation dependent depth described determined developed diameter direction distribution effect elastic energy Engineering equation estimate experiments expression factor failure field Figure floe force fracture frequency function given grain grain boundary horizontal ice sheet iceberg impact increase initial International length limit load mass material maximum mean measured Mechanics method microcracks motion normal nucleation observed obtained Offshore operation parameters peak performed plane position predicted present pressure probability range ratio Regions relation relative Research resistance ridge samples sea ice shear ship shown shows simulation specimen strain rate strength stress structure surface Table temperature tensile tensor tests thickness toughness uniaxial vertical wave