Coupling of FEM and DEM simulations to consider dynamic deformations under particle load

Coupling of FEM and DEM simulations to consider dynamic deformations under particle load Coupled FEM–DEM simulations enable the direct analysis of the load, the deformation and the stresses inside machine parts which interact with bulk materials. The analysis of large deformations of elastic parts is interesting as the deformation will significantly influence the bulk material behaviour. In this paper a bidirectional coupling method for the FEM software $$\hbox {ANSYS}^\circledR $$ ANSYS ® Classic and the DEM software $$\hbox {LIGGGHTS}^\circledR $$ LIGGGHTS ® is presented. The coupling algorithm was verified and validated using a modified draw down test rig. The results from the experimental investigations and the FEM–DEM simulations are compared. A very good correlation between experiments and simulations could be found. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Granular Matter Springer Journals

Coupling of FEM and DEM simulations to consider dynamic deformations under particle load

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Publisher
Springer Journals
Copyright
Copyright © 2017 by Springer-Verlag Berlin Heidelberg
Subject
Physics; Soft and Granular Matter, Complex Fluids and Microfluidics; Engineering Fluid Dynamics; Materials Science, general; Geoengineering, Foundations, Hydraulics; Industrial Chemistry/Chemical Engineering; Engineering Thermodynamics, Heat and Mass Transfer
ISSN
1434-5021
eISSN
1434-7636
D.O.I.
10.1007/s10035-017-0728-3
Publisher site
See Article on Publisher Site

Abstract

Coupled FEM–DEM simulations enable the direct analysis of the load, the deformation and the stresses inside machine parts which interact with bulk materials. The analysis of large deformations of elastic parts is interesting as the deformation will significantly influence the bulk material behaviour. In this paper a bidirectional coupling method for the FEM software $$\hbox {ANSYS}^\circledR $$ ANSYS ® Classic and the DEM software $$\hbox {LIGGGHTS}^\circledR $$ LIGGGHTS ® is presented. The coupling algorithm was verified and validated using a modified draw down test rig. The results from the experimental investigations and the FEM–DEM simulations are compared. A very good correlation between experiments and simulations could be found.

Journal

Granular MatterSpringer Journals

Published: Jun 23, 2017

References

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