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Next, open up the mesher by double clicking . Update the mesh by clicking . Close the mesher, click , then once again double click . Re-enter all of the data from Step 5 (here is link for reference). This time, set the Courant Number to 1.0. This will make the solution a little more  more stable, but it will solve more slowly. Run the solution again, this time with 5000 iterations.

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