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Hi everyone!

To my understanding the waves entering through the boundary in Tomawac must be prescribed as a wave spectrum. We have data for the boundary in terms of significant wave height, mean wave direction and wave period. Do anyone have a routine for translating this type of often occuring data to a corresponding wave spectrum for Tomawac?

Thanks in advance
Charlotta

Hello

I am not sure that you need a fortran user to do so.

If i understand well you can set your boundary condition with the steering file (don't forget to put 5 for the points of the boundary in your cli file)

In your steering file set

TYPE OF BOUNDARY DIRECTIONAL SPECTRUM= 7

then set your

BOUNDARY SIGNIFICANT HEIGHT
BOUNDARY PEAK FREQUENCY
BOUNDARY MAIN DIRECTION

then to get only one direction

BOUNDARY ANGULAR DISTRIBUTION FUNCTION = 3
BOUNDARY DIRECTIONAL SPREAD = 50

then you set the BOUNDARY PEAK FACTOR . The bigger it is the thinner your spectrum is around you peak frequency (e.g. 7 or 10)
Then if the spectrum is so thin that once discretised you only have one frequency non zero
Though you have to take care of your discretisation. If you don't want to miss the peak . You must have
f=f0*r^n
where
f is your PEAK FREQUENCY
f0 is your minimum frequency
r your FREQUENTIAL RATIO
n is an integer (the number of the non zero frequency e.g. NUMBER OF FREQUENCIES/ 2)

Hope it helps

T.