Abstract: The relevance of the paper is the need for the removal of a large number of unexploded ordnance (UXO) on the Norwegian continental shelf during the installation of subsea pipelines. This paper tries to include the seabed ...

Abstract: Offshore drilling risers and many production risers are top-tensioned risers (TTRs), connecting the vessel and seabed via joints. External loads such as currents, waves, and vessel motions introduce cyclic loads and motions ...