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A two-code computational framework for the simulation of particle-structure interaction problems
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DOI：10.1016/j.advengsoft.2024.103670.png)
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Abstract
En 中文
This work presents a two-code computational framework for the simulation of problems wherein discrete solid particles may interact with flexible (continuum-like) structures, such as beams, shells and membranes. The particles are handled through a discrete element approach, implemented in a FORTRAN code. The structures, in turn, are handled through nonlinear finite element formulations, implemented in a C++ code. The two phases (discrete and continuum) interact with each other through multiple contacts and collisions, the forces and moments of which being computed by consistent contact models and passed from one code to the other at runtime in a special, memory-sharing, coupled iterative scheme. Computational implementation is discussed and possibilities of the proposed framework are illustrated by means of numerical examples.
Keywords:
Particle-structure interaction (PSI)
Contact
Discrete element method (DEM)
Finite element method (FEM)
Code coupling
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