Multi-level framework for composable simulation based on MDA

The composability of simulation is seriously demanded in the large-scale joint M and S, and it has attracted much attention in the simulation community. The hierarchical reference model was formed on the analysis of the composability of simulation. Multi-level composable M and S frameworks were established on MDA principles. These frameworks could raise the abstraction level of models and separate varied concerns of simulation development. The relationships between different frameworks were formed on the model mapping mechanism, which played the key role in the multi-level composable M and S methodology.