3D Connexion Version 6.6

*SYMMETRIC MODEL GENERATION

Second line:

1. Segment angle, (in degrees), of the original three-dimensional sector. .

2. Numberof 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. Thecorresponding surface na me 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 constrained. Nodes on the surface of

the sector that are furtheraway from the corresponding surface of the neighboring sector than

this distance are not constrained. The default value for this tolerance distance is 5% of the

typical element size in the surfaces of the original sector.

4. Includethe “word” SURFACE (default) to generate a surface-to-surface type of constraintor

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 surfaceson each side

of the original repetitive sector. Constraints between the neighboring pairs of corresponding surfaces

will be applied with an automatically generated *TIEoption when the periodic three-dimensional model

is generated.

Data lines if each generated 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 defaultis 1.

Third line:

1. Numberof additional three-dimensional sectors to be generated.

18.54–3

ABAQUS Version 6.1 Module: ID:

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