Line Hinges

Tips & Tricks

If it is not possible to transfer all internal forces from one surface to the next, you have to arrange a line hinge. For this, there is the ‘Edit Surface’ dialog box, ‘Hinges’ tab.

Select or specify a spring constant of the respective degrees of freedom to reduce the force transmission in the corresponding direction. The moment hinges or rotational springs reduce the force transmission about the defined axis. In this case, the following axis system applies.

x: Longitudinal direction of the line

The degree of freedom ux reduces the force transmission along the surface edge and φx corresponds to a hinge joint.

y: Tangent to the surface

The y‑axis is perpendicular to the longitudinal direction of the line hinge and is located in the plane of the last finite element row.

z: Normal to the surface

For curved surfaces, the z‑coordinates correspond to the line hinge of the z‑axis of the last finite element row before the line hinge.


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RFEM Main Program
RFEM 5.xx

Main Program

Structural engineering software for finite element analysis (FEA) of planar and spatial structural systems consisting of plates, walls, shells, members (beams), solids and contact elements

Price of First License
3,540.00 USD