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Found 1 result

  1. I have a problem with my multiple domain model (5m inside 20m grid) running with a direct rainfall approach. It seems there is a problem at the 2d/2d boundary as the flow from the larger grid (20m) struggles to flow through to the smaller grid (5m). So far I have tried the following (but still no improvement in the results) : - Adjust the d attribute of the 2d_bc_2d2d file. - Set the d attribute to 0 and add the vertices on the 2d_bc_2d/2d line manually. (I'm not sure what the recommended number of vertices to add though.) - Applied 2d_zshp to smooth the boundary - Adjusted Cell Wet/Dry Depth == 0.001 and Cell Side Wet/Dry Depth == 0.0005 - Set Map Cutoff Depth == 0.005 (Note that when the Map Cutoff Depth is off, the result seems to get a lot worse.) The screenshot shows that the water just stops at the boundary though some manage to go through but majority of them is ponding at the boundary of the larger grid. Has anyone come across this problem before and would anyone be able to give me some advice, please? Thanks.
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