Abstract:
Compliant offshore platforms are designed to allow controlled movement of the platform as an alternative to near rigid resistance to environmental forces by fixed platform designs. The dynamic response of a double articulated offshore loading structure to collinear wave and a steady current is studied for large and moderate sea states. The governing equations of motion are derived by the Lagrange's method where the wave and current forces are computed by a modified Morison's equation which takes account for the relative velocity of the water particle with respect to the oscillating tower. The analysis is carried out in time domain assuming rigid body motion, and the solution is generated by Wilson
Keywords: Articulated loading platform; Offshore structures; Compliant towers; Random wind; Dynamic response.