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Chiara

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?

Thankyou

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I should add that I have merged two meshes into one file, however they each have their own overlapping boundaries. I want to transition the two to obtain one complete mesh.

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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

post-3-1222807353_thumb.jpg

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I ended up bringing in the second .2dm mesh and merging, and then retriangulating. This merged the two whilst keeping the existing mesh arrangements the same.

Thanks!

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