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Found 3 results

  1. Hi everyone, My study area for a TUFLOW 2D simulation is given below. The red arrows indicates ocean and yellow arrows are for river. I have water level vs time data for both of the side. For the river I can easily draw a BC to represent the flow. But how should I model the BC at the ocean side. Should I draw a big arc acorss the ocean side to represent the BC?
  2. KRobison

    Problems With Pressure BC

    Hi everyone, I am having problems with my pressure Boundary Conditions (BC), for some reason the water will not flow through the BC that I have made. Though everything is set up for it, the materials are not assigned in the mesh areas of the bridge, the BCs are on the proper ends and are resting on the mesh netting edges, and I have checked the elevations for the area many times in both the mesh and the BC settings. Does anyone have a clue why it is not functioning properly. If so please let me know. Thanks!
  3. Hello everyone ! I'm currently encountering a problem with my rivers. Basically I want to implement a river in my 3D Grid. I have 8 layers (whose tops and bottoms are not flat), and the head-stage and the elevation of my river are not the same all the time (spatially I mean). Meaning, at one location, I want my river condition to be put from layer 1 to 4, and at another, I want it to be put from layer 1 to 6. And it varies a lot (from one cell to the other next to it). So I could do it cell by cell, but I would be compelled to create a great amount of arcs. The problem is that I don't know how to easily put my river condition in each cell from the top layer (surface) to the layer containing the elevation of the riverbed. I've seen that there is three options : - Use layer range - Auto-assign BC to one cell - Auto-assign BC including lower cells. None of the three options fit my problem. In fact, the third one is quite the opposite of what I would like to do. It assigns the BC to the layer containing the elevation of the riverbed plus all the layers beneath it. For a river, I would have expected to assign the condition to all the layers above it. But that option is not available. So what can I do to solve this problem ? Thank you for your answers and time !
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