Fatigue resistance Jackets

Fatigue strength assessment of offshore jacket joints using finite element analysis

Cyclic loads can be a problem

Offshore structures are subject to cyclic loading which can lead to failure of the structure. The phenomenon that causes failure when the cyclic loading acts for a sufficient time, i.e. for a certain number of cycles, is called fatigue.

In this project, a detailed fatigue analysis is performed to verify that the weld design ensures an adequate fatigue life of the joint. This analysis is carried out in accordance with DNVGL-RP-C203 – Fatigue Design of Offshore Steel Structures.

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