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Rotating grids

Jose Maria

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Dear Colleagues:

Frequently we have to deal with wave roses with a high dispersion in wave directions. Ther is no problem at the beginning, since we can rotate (transform) the grid. The problem comes when you want combine all the results (multiplying each by its frequency and adding all). You need to have all in the same reference system, obviously, but the results can't be rotated (or I don't know how to do it); only the athymetrical grid can.

For the moment, I have got a partial solution: given two results of sediment transport:one in each direction; but I would like to give a net sediment transport graphic.

Can you give me a solution?

Best regards,


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