A deformation of a structure is generally a change of its shape due to the action of an external force. Deformations in RFEM and RSTAB represent a result of static or dynamic analysis. They are determined for members, surfaces, and solids, and refer either to the local coordinate system of an element or to the global coordinate system.
Deformations can comprise elastic and plastic components. In the case of the RFEM and RSTAB results, the deformations are usually from a linear-elastic calculation.
Using the Nonlinear Material Behavior add-on, the deformations considering plastic material models can be taken into account. The deformations of reinforced concrete components in the cracked state can be calculated analytically as well as by using nonlinear methods.
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