6. Glossary

Modèle mathématique; Numerical model

Representation of a system by a set of mathematical functions that describe a complex phenomenon and make it easier to understand. By modifying the initial variables, the model can be used to predict changes in the physical system.

Numerical Simulation

Execution of a computer program – model – designed to represent a real, complex physical phenomenon.

Information System (IS); Système d'information (SI)

An organized set of resources used to collect, store, process and distribute information. The IS is a socio-technical system made up of two sub-systems, one social and the other technical. The social subsystem is made up of the organizational structure and the people linked to the IS. The technical subsystem is made up of the technologies...