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About this paper
Timna Böttcher, Rick Ridder, Jan Bender
The method combines reference-configuration information with current-grid force computation to preserve particle relationships while retaining grid-based contact handling. Unlike conventional MPM, it recalculates deformation from current particle positions rather than incrementally updating it from velocity gradients. In reported tests, it keeps elastic solids intact during strong deformation and handles contact; results cover selected simulations, not arbitrary conditions.
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