Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 9, Part 2American Society of Mechanical Engineers, 1990 - Arctic regions |
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Page 108
... linear . The linear potential wave force , f , ( t ) , is often referred to as the inertia force . Because this force is linearly related to the wave elevation , it can be viewed as the output of a linear system whose input is the wave ...
... linear . The linear potential wave force , f , ( t ) , is often referred to as the inertia force . Because this force is linearly related to the wave elevation , it can be viewed as the output of a linear system whose input is the wave ...
Page 109
... linear surge velocity term in În is taken over to the left hand side of equation ( 14 ) to form a viscous hydrodynamic damping . The remaining linear and quadratic terms in are kept on the right hand side of the equation and are ...
... linear surge velocity term in În is taken over to the left hand side of equation ( 14 ) to form a viscous hydrodynamic damping . The remaining linear and quadratic terms in are kept on the right hand side of the equation and are ...
Page 110
... linear differential system in equation ( 26 ) alternatively to equation ( 33 ) as 8 ( t ) = [ h ( t ) Î ( t - t ) dt ( 39 ) The matrix h ( t ) is the impulse response function matrix for the linear differential operator . The ...
... linear differential system in equation ( 26 ) alternatively to equation ( 33 ) as 8 ( t ) = [ h ( t ) Î ( t - t ) dt ( 39 ) The matrix h ( t ) is the impulse response function matrix for the linear differential operator . The ...
Contents
Investigation of the Ergodicity Assumption for Sea States in the Reliability Assessment of Offshore | 1 |
OFFSHORE TECHNOLOGY PART | 19 |
Fatigue Loading | 33 |
Copyright | |
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analysis applied approach approximately assessment assumed average basic calculated coefficient component computed considered constant corresponding cost crack growth curve cycles damage defect density depends depth derived described determined developed deviation distribution drag effects Engineering equation equivalent estimated evaluated example expected extreme factor failure failure probability fatigue Figure force fracture frequency function geometry given important included increase indicated initial inspection integration joints limit linear load Lognormal material maximum mean measured mechanics method normal obtained offshore structures operation parameters performed period platform predicted present pressure probabilistic probability procedure random variable range ratio reference relative reliability represent requirements respectively response risk safety shown shows significant simulation standard statistical storm strength stress structure surface Table tension tether tubular uncertainty variables variation wave wave height weld