For the second case, a comparison
with ROMS was made to check if the unstructured grid
coupled model can provide the same accurate results as
the structured grid coupled model in the same configuration
for simple geometric domain. The comparison made
here focused on the current-wave-sediment interactions.
Huang et al. (2008) found that FVCOM has the faster
convergence rate to the analytical solution comparing to
ROMS for the same cases in this study. If FVCOM has
the same accuracy as ROMS in the rectangular domain,
the geometric flexibility of FVCOM will provide a more
suitable tool for realistic coastal and estuarine regions
where the coastline is characterized by irregular geometry.