Towards the design of intelligent CAD systems: An ontological approach
Advanced Engineering Informatics
A Common Design-Features Ontology for Product Data Semantics Interoperability
WI '07 Proceedings of the IEEE/WIC/ACM International Conference on Web Intelligence
Calculemus '07 / MKM '07 Proceedings of the 14th symposium on Towards Mechanized Mathematical Assistants: 6th International Conference
HasCasl: Integrated higher-order specification and program development
Theoretical Computer Science
Formal Management of CAD/CAM Processes
FM '09 Proceedings of the 2nd World Congress on Formal Methods
MetiTarski: An Automatic Theorem Prover for Real-Valued Special Functions
Journal of Automated Reasoning
The heterogeneous tool set, HETS
TACAS'07 Proceedings of the 13th international conference on Tools and algorithms for the construction and analysis of systems
Isabelle/HOL: a proof assistant for higher-order logic
Isabelle/HOL: a proof assistant for higher-order logic
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Industrial standards establish technical criteria for various engineering artifacts, materials, or services, with a view to ensuring their functionality, safety, and reliability. We develop a methodology and tools to systematically formalize such standards, in particular their domain specific calculation methods, in order to support the automatic verification of functional properties for concrete physical artifacts. We approach this problem in the setting of the Bremen heterogeneous tool set HETS, which allows for the integrated use of a wide range of generic and custom-made logics. Specifically, we (i) design a domain specific language for the formalization of industrial standards; (ii) formulate a semantics of this language in terms of a translation into the higher-order specification language HASCASL, and (iii) integrate computer algebra systems (CAS) with the HETS framework via a generic CAS-Interface in order to execute explicit and implicit calculations specified in the standard. This enables a wide variety of added-value services based on formal reasoning, including verification of parameterized designs and simplification of standards for particular configurations. We illustrate our approach using the European standard EN 1591, which concerns calculation methods for gasketed flange connections that assure the impermeability and mechanical strength of the flange-bolt-gasket system.