##

*DISTRIBUTION

Keyword type: model definition

The *DISTRIBUTION keyword can be used to define elementwise local coordinate
systems. In each line underneath the keyword the user lists an element number
or element set and the coordinates of the points “a” and “b” describing
the local system according to Figure 151 or 152
depending on whether the local system is rectangular or cylindrical. However,
the first line underneath the *DISTRIBUTION keyword is reserved for the
default local system and the element or element set entry should be left
empty. There is one required parameter NAME specifying the name (maximum 80
characters) of the
distribution.

Whether the local system is rectangular or cylindrical is determined by the
*ORIENTATION card using the distribution. The local
orientations defined underneath the *DISTRIBUTION card do not become active
unless:

- the distribution is referred to by an *ORIENTATION card
- this *ORIENTATION card is used on a *SOLID SECTION card.

So far, a distribution can only be used in connection with a *SOLID
SECTION card and not by any other SECTION cards (such as
*SHELL SECTION, *BEAM SECTION etc.).

Two restrictions apply to the use of a distribution:

- an element should not be listed underneath more than one *DISTRIBUTION
card
- a distribution cannot be used by more than one *ORIENTATION card.

First line:

- *DISTRIBUTION
- Enter the required parameter NAME.

Second line:
- empty
- X-coordinate of point a.
- Y-coordinate of point a.
- Z-coordinate of point a.
- X-coordinate of point b.
- Y-coordinate of point b.
- Z-coordinate of point b.

Following lines
- element label or element set label
- X-coordinate of point a.
- Y-coordinate of point a.
- Z-coordinate of point a.
- X-coordinate of point b.
- Y-coordinate of point b.
- Z-coordinate of point b.

Example:
*DISTRIBUTION,NAME=DI
,1.,0.,0.,0.,1.,0.
E1,0.,0.,1.,0.,1.,0.

defines a distribution with name DI. The default local orientation is defined
by a=(1,0,0) and b=(0,1,0). The local orientation for the elements in set E1
is described by a=(0,0,1) and b(0,1,0).

Example files: beampo4.