The objective of SSG is to take a conceptual model as input and produce a simulation script that specifies which modelling tool is used for simulating a scale defined in the conceptual model, what software component should be executed to realize a pre-defined inter-scale link, and what is the order of running these tools and components. The SSG is developed upon the same ontology of general multiscale systems as used by the conceptual modelling tool developed earlier ( Zhao et al., 2010). To support the latter mode of model realization, a simulation script generator (SSG) is developed in this work, which facilitates a modeller in constructing a multiscale simulation based on the combination of several existing single-scale modelling tools, such as gPROMS, Fluent and Aspen Plus. However, the applicability of this approach is limited given the fact that, in contrast to building a model completely from scratch, a more realistic mode of multiscale simulation is by the integration of existing modelling tools, each simulating one particular scale of a multiscale system. This approach would result in a “single” set of equations that can be solved collectively to realize a multiscale simulation. The essence of this approach is that a mathematical model is composed by selecting and customizing elements from a library of basic building blocks according to the conceptual model. Starting with a conceptual model, it is envisaged that a multiscale model may be realized by automatic code generation, following an approach similar to the one proposed by Yang et al. Aidong Yang, in Computer Aided Chemical Engineering, 2011 2 Model Realization 21st European Symposium on Computer Aided Process Engineering
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