Usage of Edit Mesh tools
•To diagnose and fix
any problems and improve mesh quality
•To convert element
types
•Refine and/or
coarsen mesh
•Manual and automatic
tools
•For imported as well
as internally created mesh
•To diagnose mesh associativity problems
–Errors – most likely to cause problems in:
•Solver translation
•Solver input
•Solution
convergence/run
–Possible Problems – “Unclean surface
mesh”
•Unwanted elements
•Unwanted holes/gaps
•May result in
incorrect solution
–Can check any combination of
errors/possible problems at any one time
•Individually select
•Click on Error or Possible
Problems
tabs will select all options in column – selecting again will de-select all
•Set
Defaults
will select most commonly seen/detrimental diagnostics
–Check Mode
•Create
Subsets –
creates a subset of elements that fit each criteria
Check/Fix
Each –
offers automatic fixing of indicated problem
•Duplicate Elements
–Elements that share all nodes with other elements of the same
type
•Uncovered Faces
–Volumetric element faces that are neither attached to the
face of another volumetric element nor to a surface element (boundary face)
•Missing Internal Faces
–Volumetric elements that are adjacent to another of a
different part with no surface element between them
•Periodic Problems
–Inconsistency in the number of nodes/faces between periodic
sides
–Special check for rotating (sector) or translational periodic
grids
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