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Internal Hinges

The frame "Internal hinges" contains a table with the list of internal hinges. Adding internal hinges is performed in the "New internal hinges" dialog window. The dialog window serves to define the line number of the internal hinges location and the type of the internal hinge (free, spring).

The internal hinge is a boundary condition that allows the introduction of independent rotation about the x and y axis between the two parts of the slab along a specified line while keeping the vertical deflection along this line the same. The internal hinge can be prescribed along an arbitrary line creating a boundary between two macroelements. The rotation can be either free or controled by the spring torsional stiffness Kϕ,T.

The input internal hinges can also be edited on the desktop with the help of active objects.

  Frame "Internal hinges"

Dialog window "New internal hinge"

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