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Brief Summary

During the ON-DEM Inaugural Conference Workshops for WG4, following brainstorming and discussion sessions it was decided to classify various benchmarking problems according to their behaviour and boundary conditions (i.e. quasi-static, transient, steady state and/or multi-body, multi-physics and multi-component (material mixture) problems. A mind map, as illustrated in Figure \ref{fig:MindMap} below was produced. Note that for clarity purposes, the multi-component problem category was excluded.

Key aspects of the discussion included the need to (i) consider the uncertainty of the output resulting from benchmarking problems, (ii) understand and adequately define boundary treatment, initial conditions, contact models and particle shape descriptors (if needed), and (iii) being aware of algorithmic differences between the codes used for benchmarking (these include issues such as integration, contact detection and contact model implementation differences.