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 10
... surface reads ; V ( z , s ) = cosh k ( z + d ) sinh kd cos ( @ s - 0 ) ; z ≤ 0 ( 14 ) Above the mean free surface , the velocity is assumed to vary linearly with Z and attain the value bV ( 0 , s ) at the exact surface , z = E ( s ) ...
... surface reads ; V ( z , s ) = cosh k ( z + d ) sinh kd cos ( @ s - 0 ) ; z ≤ 0 ( 14 ) Above the mean free surface , the velocity is assumed to vary linearly with Z and attain the value bV ( 0 , s ) at the exact surface , z = E ( s ) ...
Page 136
... Surface For a column piercing the water surface , the total wave- induced viscous force is the integral of the local drag force from the column bottom to the free water surface , which can be partitioned into two integrals . The first ...
... Surface For a column piercing the water surface , the total wave- induced viscous force is the integral of the local drag force from the column bottom to the free water surface , which can be partitioned into two integrals . The first ...
Page 225
... surface crack in a plate subjected to membrane and bending stresses have been developed by Newman and Raju ( 1981 ) based on 3 - D finite element analysis results . These solutions can be expressed as K - ( Hp + 1 - p ) SgYg ( xa / q ) ...
... surface crack in a plate subjected to membrane and bending stresses have been developed by Newman and Raju ( 1981 ) based on 3 - D finite element analysis results . These solutions can be expressed as K - ( Hp + 1 - p ) SgYg ( xa / q ) ...
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