•Uniform element size (in finest zoned
regions)
•
–Smallest element
size controls the time step used to advance the
solution in time
–
–Explicit
analyses compute dynamic stress waves that propagate throughout the entire mesh
–
•Element size controlled by the user
throughout the mesh
•
–Not
automatically dependent on geometry
–
•Implicit analyses usually have static region of stress
concentration where mesh is refined (strongly dependent on geometry)
•
•In explicit analyses, the location of regions of high stress
constantly change as stress waves propagate through the mesh
•
–Mesh refinement
is usually used to improve efficiency
–
•Mesh transitions should be smooth for maximum accuracy
–
•Hex-dominant meshing preferred
•
–More efficient
–
Sometimes more accurate for slower transients
•Right-click Mesh in the Outline Tree
to:
– Insert
•Method
•Sizing
•Contact Sizing
•Refinement
•Mapped Face Meshing
•Match Control
•Pinch
•Inflation
–Update
–Generate Mesh
– Preview Surface
Mesh
– Show Sweepable Bodies
–Preview Inflation
– Clean
– Rename
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Please send me email:
cadxneter@hotmail.com
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