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In addition to research papers, the Design Society is developing several valuable resources for those interested in the study of design. These include a repository of PhD theses, a library of case studies and transcripts of design activities, and an archive of our newsletters. Please note that these resources are accessible exclusively to Design Society members.

Decide-Adapt-Reuse: a decision framework to reuse or adapt metamodels for new clinch joint designs

Einwag, Jonathan-Markus; Wartzack, Sandro J.; Goetz, Stefan

Type:
Papers
DS 145: Proceedings of the DESIGN2026 19th International Design Conference
Year:
2026
Editor:
Štorga, M.; Škec, S.; Martinec, T.; Marjanović, D.; Pavković, N.
Author:
Einwag, Jonathan-Markus; Wartzack, Sandro J.; Goetz, Stefan
Series:
DESIGN
Institution:
Friedrich-Alexander Universität Erlangen-Nürnberg, Germany
Page(s):
527-536
DOI number:
10.1017/pds.2026.10411
ISSN:
2732-527X (Online)
Abstract:
Metamodels are replacing costly validation simulations and experiments in clinch joint design. If materials or conditions change, existing metamodels may no longer be reliable. This paper presents an approach that uses model uncertainty, the Coefficient of Prognosis and the R² score to decide if a model should be reused or recalibrated, or if fine-tuning is needed. Two case studies show that the framework can provide sufficient recommendations and reused, recalibrated and fine-tuned models can match new models while reducing simulation and training effort.
Keywords:
design methods, artificial intelligence (AI), decision-making, mechanical joining
DESIGN2026 - The 19th International Design Conference
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