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Improved Tangential Force Model for DEM by Page is a document available to read on EtoBox.
This paper presents an improved tangential force-displacement (TFD) model for 3D discrete element simulations of dry particle systems, based on the Mindlin and Deresiewicz theory for elastic frictional contact. The authors validate the model through comparisons with existing theories and finite element methods, demonstrating its accuracy and efficiency in simulating granular flow. Results from simulations involving spherical and ellipsoidal particles are discussed, highlighting the model
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