OntOMaT - Sustainable ontology-based development and optimisation solutions...
Sustainable ontology-based development and optimisation solutions for fibre-reinforced materials and their manufacturing processes
In the OntOMat project, a comprehensive ontology is being developed for additive extrusion processes, SMC/BMC processes and the thermoplastic and thermoset fibre-reinforced components used in them and linked bi-directionally with a multi-scale simulation. In addition, relevant testing processes and inline QM are taken into account in the ontology and the aspect of material cycles via recycled materials is implemented.
The overarching goal of the OntOMat joint project is to merge several individual ontological descriptions into a generalised, harmonised ontology with regard to the holistic consideration of the relationships between material, production, component design and life cycle.
The validation of the usability of the ontological description and the resulting knowledge graph are at the core of the project. The project will create the necessary cross-scale data and simulation models as well as process chains and enable comprehensive data integrity via standardised interfaces. SMC and additive material extrusion processes are specifically selected as representative manufacturing processes for ontology development. The characteristic properties and differences of these processes ensure the generic consideration of other relevant manufacturing technologies, so that the developed ontology can be flexibly extended to other relevant processes such as RTM or AFP.
The aim of the sub-project is initially to provide significant support for the development of the ontology. For this purpose, formalised descriptions are created based on DLR's profound expertise in material, component, manufacturing and testing processes as well as material cycles. These form the starting point for the joint partners to develop the ontology and bi-directional multi-scale simulation process chain. In particular, DLR is providing support with the expansion of simulation approaches for modelling strand deposition during material extrusion.
For the joint project as a whole, the sub-project applied for here is largely responsible for validating and testing the developed ontology and multi-scale simulation process chain. For this purpose, existing, industry-relevant manufacturing and testing environments will be suitably expanded. In addition, the sub-project allows the performance of the ontologically represented interdependencies to be tested and optimisation potential to be identified. These approaches will be expanded to include the integration of material cycles. The sub-project thus enables a holistic view of the material class, which significantly strengthens the competitiveness of the project results.
For the first time, a holistic approach for describing the strong coupling of material, component and process for the special material class of fibre-reinforced plastics will be created in the network and through the proposed sub-project. By ensuring data integrity between real test and process data with the ontology and the connected, multi-scale simulation process chain, an environment for the development and optimisation of fibre-reinforced plastics is created that far exceeds the state of the art. This significantly increases the accessibility of the material class.
Project partners involved
