Abstract：Irregular wave group motion was simulated for comparison with physical model tests. Real waves are multidirectional waves. A numerical method was developed to simulate multidirectional irregular wave groups for various wave parameters, grouping factors and directional spreading parameters for use in designing an experimental wave basin for multidirectional irregular wave groups. The simulations of the wave time series of the incident waves was based on the numerical model of modified Boussinesq equations solved by finite element. Examples show that multidirectional waves containing the desired wave groupiness can be generated at a specified position in the numerical wave basin. Transformations of the wave groupings in the basin are also numerically analyzed.
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2015, Vol. 55 
