Reference solution
=====================

This test validates non-regression.

For B to D models, the results are also compared with the experimental results from [:ref:`1 <1>`] and [:ref:`2 <2>`].


Bibliographical references
---------------------------

[:ref:`1 <1>`] Pera, J. (1973). 'Reinforced concrete redundant beams. Theoretical and experimental analysis'. Thesis by a doctor-engineer, INSA Lyon.

[:ref:`2 <2>`] GHAVAMIAN Sh., DELAPLACE A., Concrete Crack Models (Project MECA). French journal of civil engineering, volume 7 — n°5/2003.