The Dlubal Structural Analysis Wiki explains technical terms used in structural analysis and design. The terms are given in alphabetical order and are usually used in Dlubal Software.

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Internal Force

Types of Internal Forces

Internal forces are axial forces, shear forces and moments.

  • An axial force acts on a member parallel to the member axis.
  • A shear force acts normally to the member axis. In the case of a member, there is usually a difference between the loading in the y- and z‑direction.
  • In the case of a moment, a distinction is made between three loadings in the y- and z‑direction (bending) and about the longitudinal axis (torsion).

Internal Forces in RFEM/RSTAB

In RFEM/RSTAB, it is possible to evaluate the determined internal forces in tables and graphically. In RFEM, there are also the surface and solid internal forces available.