Fine Mesh Workflow



Process Input Data

Need DEM and Polygons

LaGriT Finite Element Mesh

Format and Check
Input data for LaGriT

LaGriT Finite Element Mesh

Create Top surface Mesh (multiple polygons are merged into single surface)


Triangulate polygon to chosen edge_length

LaGriT Finite Element Mesh

Interpolate DEM elevations to triangulated surface

LaGriT Finite Element Mesh

Create 3D Ice Wedge


Offset polygon by rim distance

LaGriT Finite Element Mesh

Triangluate offset polygons

LaGriT Finite Element Mesh

Extrude Outside Ring to Depth

LaGriT Finite Element Mesh

Create 3D Prism Mesh


Create surfaces and stack into prism mesh

LaGriT Finite Element Mesh

Check mesh elevations
compare top to DEM data

LaGriT Finite Element Mesh

Add Ice Material to Prism Mesh


Map ice object

LaGriT Finite Element Mesh

Check layer elevations

LaGriT Finite Element Mesh

Check cell materials

LaGriT Finite Element Mesh

Write Final Mesh Files


Identify Boundary Face sets
and write ExodusII mesh file

LaGriT Finite Element Mesh


Face sets include
top, bottom, sides, and corner faces

LaGriT Finite Element Mesh

End Workflow