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Merging Meshes


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How do you merge two (.2dm) meshes? Previously I have converted each mesh to scatter points, and recreated one mesh. However we wish to use an existing mesh (along with additional points, ie. the second mesh) as the elements have been specifically modified for the optimum running of RMA2 over this particular floodplain.

Any suggestions?


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Have you tried the following:

1. Read in the first .2dm file

2. Delete nodes/elements in the overlapping region

3. Read in the second .2dm file - when prompted, choose "merge"

4. You should now have two separate meshes

5. Use four nodestrings to define a polygon to join the two meshes

6. Select the menu Elements | Rectangular patch to generate elements between the two meshes


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