Standard software for modeling productive plants

A productive scheme can be represented with an oriented network in which nodes are the productive elements connected through different input/output arcs, which reflect the material's flow between pairs of nodes. Such a scheme can be modelled by means of linear programming models that use a constant coefficient for input/output connections. We have proposed a software system to automatically generate such models so that a user only needs to write the scheme based on table rules. These tables support the dates and the scheme structure. The method permits the development of productive models in a short time, making it easier to introduce changes in the model and facilitating sensitivity analysis to gain confidence in the process of reaching a final model.