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SYMMETRIC MODEL GENERATION
Second line:
1. Segment angle, (in degrees), of the original three-dimensional sector. .
2. Number of three-dimensional repetitive sectors, including the original sector in the generated
periodic model. The default is 1.
Third line (needed if the surface meshes on either side of the original sector are not matched
completely):
1. The surface name on one side of the original sector.
2. The corresponding surface name on the other side of the original sector, measured at a positive
angle,
, around the revolving axis.
3. Tolerance distance within which nodes on one surface of a sector must lie from the
corresponding surface of the neighboring sector to be constrain ed. Nodes on the surface of
the sector that are further away from the corresponding surface of the neighboring sector than
this distance are not constrained. The defau lt value for this tolerance distance is 5% of the
typical element size in the surfaces of the original sector.
4. Include the “word” SURFACE (default) to generate a surface-to-surface type of constraint or
the “word” NODE to generate a node-to-surface type of constraint.
Repeat the third data line as often as necessary to define pairs of corresponding surfaces on each side
of the original repetitive sector. Constraints between the neighboring pairs of corresponding surfaces
will be applied with an automatically generated
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TIE option when the periodic three-dimensional model
is generated.
Data lines if each g enerated sector in the periodic model has a variable angle
(PERIODIC=VARIABLE):
First line:
1. X-coordinate of point a.
2. Y-coordinate of point a.
3. Z-coordinate of point a.
4. X-coordinate of point b.
5. Y-coordinate of point b.
6. Z-coordinate of point b.
Second line:
1. Segment angle, (in degrees), of the original three-dimensional sector. .
2. Number of three-dimensional sectors that have the same angle as the original sector to be
generated, including the original sector. The default is 1.
Third line:
1. Number of additional three-dimensional sectors to be generated.
18.54–3
ABAQUS Version 6.1 Module:
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