## 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 9

... is use i.e. for large values of the crack length K is only a function of the force

and crack length c and is independent of the size of the damage - zone . This

situation .

... is use i.e. for large values of the crack length K is only a function of the force

and crack length c and is independent of the size of the damage - zone . This

**expression**is similar in form to that obtained by Palmer et at ( 1983 ) for thissituation .

Page 15

( 1 ) , using for the shear stress te on the pile - up Te . sin ( 24 ) 01 ( 10 ) 2 an we

To obtain analytic

Smith and Barnby ( 1967 ) , assume that o is not modified by the crack itself .

( 1 ) , using for the shear stress te on the pile - up Te . sin ( 24 ) 01 ( 10 ) 2 an we

To obtain analytic

**expression**of x ' , we make some assumptions . First , followingSmith and Barnby ( 1967 ) , assume that o is not modified by the crack itself .

Page 58

In terms of

the fourth - order compliance tensor describing the influence of the parallel crack

field . Comparing Equations ( 18 ) , and ( 18 ) , the notation ( double - dot

product2 ...

In terms of

**Expression**( 13 ) , the unit normal to the crack surface is where S isthe fourth - order compliance tensor describing the influence of the parallel crack

field . Comparing Equations ( 18 ) , and ( 18 ) , the notation ( double - dot

product2 ...

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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