International audienceThrough this paper, we chose to present a modelling concept the aim of which is the simulation of the intra-urban location dynamics. This concept includes some characteristics which relate it to the synergetic models as well as to the micro-simulation ones. In the first part of this paper, we describe and examine the modelling concept to focus in a second part on a more detailed presentation of one aspect of the model concerning the measure of the attractiveness of the neighbourhoods of a town.Dans cet article, nous avons choisi de présenter un concept de modélisation dont le but est la simulation de la dynamique des localisations d'activités en milieu intra-urbain. De par ses caractéristiques, ce concept se rattache t...