The behaviour of the semi-rigid joints can be obtained by laboratory tests or by an appropriate finite element analysis. This paper describes the process of modelling joints in the SOFISTIK software package and their calibration method.

The verification of the results obtained from the 3D models is performed with values obtained from laboratory tests. In the framework of the modelling and calibration process of the models, all parameters that influence the accuracy of the results are being reviewed.

Analyzes performed with well-calibrated mathematical models including finite elements based on experimental research within certain parameters allow a large number of parametric analyzes to be faster and more economical if performed exclusively by laboratory tests.