A82. Source terms for a given spectrum
Source terms are computed for a given spectrum with sea and swell combined.
The peak period of the sea is 6 s and the peak period of the swell is 10 s.
The Hs of the sea is 2 m and the period of the swell is 1 m.
The directions of sea and swell differ, the difference ranging from 0 to 180 degrees.
The command MODE NOUPDATE is used to prevent change of the spectrum
during the computation.
2 iterations are performed so that 3d generation computation of the
source terms is carried out.
In the 1st iteration Swcap and Snl4 are 0; in the 2nd iteration they are activated.
There are no analytic computations to Compare with.
The resulting source terms are Compared with those from a computation
with the RIAM source term (Hashimoto, ..). The latter are found in
the subdirectory Verif.dat
8 cases are considered:
- sea and swell in the same direction
- difference in direction is 45 degrees
- sea normal to swell
- difference in direction is 135 degrees
- sea and swell in opposite directions
The Initial conditions are in files ′A82*.hot′. It can be generated by
executing Runprep.bat. This procedure can be used only with the
DHH version of Swan.