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physics.comp-ph2020★ 14 cited
Data-driven model order reduction for granular media
Erik Wallin, Martin Servin
We investigate the use of reduced-order modelling to run discrete element simulations at higher speeds. Taking a data-driven approach, we run many offline simulations in advance an…
physics.comp-ph2015
Adaptive model reduction for nonsmooth discrete element simulation
Martin Servin, Da Wang
A method for adaptive model order reduction for nonsmooth discrete element simulation is developed and analysed in numerical experiments. Regions of the granular media that collect…
physics.comp-ph2015
Warm starting the projected Gauss-Seidel algorithm for granular matter simulation
Da Wang, Martin Servin, Tomas Berglund
The effect on the convergence of warm starting the projected Gauss-Seidel solver for nonsmooth discrete element simulation of granular matter are investigated. It is found that the…