Study of nonlinear local flow

摘要

Detailed analysis of the existence of highly non-linear local flow phenomena close to a platform column exited by a large and steep wave are presented. The objective is to improve the physical understanding of this phenomenon possible essential for accurate numerical treatment of the ringing load problem. Wave elevation close to the column circumference, particle velocities and pressure are investigated mainly in regular wave conditions. Experiments are used in combination with linear diffraction theory and nonlinear codes.