## Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 13, Parts 3-5American Society of Mechanical Engineers, 1994 - Arctic regions |

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Page 225

... ( c ) POWER LAW HARDENING MATERIAL 12 ( a ) Finite element Equation 2

10 8 Strain , % 4 2 0 0 1 5 2 3 Distance from notch root , x / D 1.0 ( b ) Finite

element , stress = 41 %

stress ...

... ( c ) POWER LAW HARDENING MATERIAL 12 ( a ) Finite element Equation 2

10 8 Strain , % 4 2 0 0 1 5 2 3 Distance from notch root , x / D 1.0 ( b ) Finite

element , stress = 41 %

**yield**Finite element , stress = 54 %**yield**Finite element ,stress ...

Page 180

The question arises of how to predict

stresses . As tri - axial material tests are not routinely carried out , the

function for a particular material is usually not known . Instead it is postulated Two

widely used ...

The question arises of how to predict

**yielding**correctly under multi - axialstresses . As tri - axial material tests are not routinely carried out , the

**yield**function for a particular material is usually not known . Instead it is postulated Two

widely used ...

Page 181

( a ) Von Mises

condition does however result in plane strain .

Route દં = associated flow rule ( 20b ) ( c ) Generalised

Mises ' and ...

( a ) Von Mises

**yield**criterion This may be stated as end - capped boundarycondition does however result in plane strain .

**yield**criterion ( 20 ) 22 -0,2 = 0Route દં = associated flow rule ( 20b ) ( c ) Generalised

**yield**criterion VonMises ' and ...

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### Contents

FATIGUE BEHAVIOR AND PREDICTIONS | 129 |

FATIGUE OF TUBULAR JOINTS | 181 |

EVALUATION OF STRESSES AND FATIGUE PERFORMANCE FOR THREADS AND NOTCHES | 221 |

Copyright | |

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### Common terms and phrases

allowable analysis angle applied approach assessment assumed axial bending calculated considered constant corrosion crack crack growth CTOD curve cycles deformation depending deposit depth determined developed diameter displacement effect elastic element Engineering environment equation experiments factor failure fatigue fatigue crack Figure force fracture geometry given heat higher included increase indicated initial installation internal joints length limit load lower material maximum mean measured Mechanics method notch observed obtained occur Offshore operating parameters performed pipe pipeline plastic plate predicted present pressure problem procedure produce properties range ratio reduced region repair Research residual shown shows simulated soil solution specimens standard steel strain strength stress structures surface Table Technology temperature tensile thickness toughness values wall weld metal yield