Nastran-Interface manual


Local Axes

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Figure 6 – Local Axes

With this condition the user can define local axes for all line entities of a structure. There are three ways to define local axes:

-GOLBAL: Assume global axes like local axes of selected entities.

-Automatic: GiD generates local axes for all selected entities automatically.

-Define: The user can define local axes for the selected entities. It is very important for the program that that X-Element axis is in the direction of the line.

It is mandatory to define local axes for all beams entities of structure. If some beams don't have local axes defined, the program shows an error message and stops running.