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Latest revision as of 07:23, 12 July 2021
Abstract
To numerically simulate rockfall impact on flexible protection structures two different numerical methods are coupled within the open-source multi-physics code KRATOS. The impacting object is modeled with the help of a cluster of spherical discrete elements and its movement and contact forces are simulated using the Discrete Element Method (DEM). To realize a partitioned coupling simulation the contact forces are subsequently transferred to the light-weight protection structure which is analyzed and simulated using the Finite Element Method (FEM). To allow a stable simulation even in the case of large contact forces and/or large time steps a strong coupling GaussSeidel algorithm is presented. Subsequently the applicability of the method is shown by calculating experiments and finally the inclusion of digital terrain data is demonstrated.
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Published on 12/07/21
Submitted on 12/07/21
Volume IS05 - Advances in Particle-Based Methods for the Simulation of Coupled Problems, 2021
DOI: 10.23967/coupled.2021.016
Licence: CC BY-NC-SA license
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