.. _R4.07.07: **r4.07.07** Identifying efforts on a modal model ========================================================= **Summary:** The macro command CALC_ESSAI brings together the Code_Aster functionalities for compute-test correlation. In the context of this documentation, the "effort identification" functionality is described, which should make it possible to identify the efforts applied to a structure in the form of an inter-spectrum, based on data from the inter-spectrum of measurements in operation, from a modal model, identified or calculated, and from the choice of the location of the points of application of the efforts. .. toctree:: :hidden: self .. toctree:: :maxdepth: 2 :numbered: Introduction__hypoth_ses_de_calcul Mod_lisation_et_calcul_des_forces R_f_rences Historique_des_versions_du_document