mesh_modifications¶

The mesh_modifications test group includes test cases for modifying existing meshes. (see mesh_modifications).

It currently contains one test case for extracting a subdomain from an existing larger domain.

framework¶

There is no shared framework for this test group.

The compass.landice.tests.mesh_modifications.subdomain_extractor.extract_region.ExtractRegion class performs the operations to extract a region subdomain from a larger domain. Using user-supplied config information, it performs the following steps:

create a cull mask
optionally extend culling mask a certain number of cells into the ocean along the ice-shelf front
cull mesh, convert mesh, mark horns for culling, cull again
create a landice mesh from base MPAS mesh
set lat/lon fields in mesh based on specified projection
interpolate data fields from source mesh to subdomain mesh
mark domain boundary cells as Dirichlet velocity conditions
create a graph file for the subdomain mesh