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4.25 Line Release Types
By using a line release, it is possible to decouple the model along a line -- for example, if surfaces are loosely connected or if only compression forces can be transferred.
First, you have to define a release with specific properties in a Line Release Type. Then you can assign them to members, surfaces, and solids that jointly use one line (see Chapter 4.26).
A release oriented longitudinally or transversely to the line direction is defined by selecting the corresponding displacement in the dialog box or in the table. With the properties of a Spring, you can also model flexible releases.
The directions of displacements x, y, and z refer to the line's axis system. Use the Display navigator or the shortcut menu of a line to display the line axes (see Figure 4.102).
You can also assign nonlinear properties to the releases. Select the Nonlinearity from the list and define it with the button in the dialog box. The input of nonlinear release properties is described in Chapter 4.14.
With a moment hinge about the longitudinal line axis x, you can release the rotation of the line (torsion) between objects.
You can find an example of the definition of a line release in the following article: