A novel approach for modeling wear at macro length and time scales in discrete element systems.
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| Title: | A novel approach for modeling wear at macro length and time scales in discrete element systems. |
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| Authors: | Sameer, Muhammad1 (AUTHOR), Fred Higgs III, C.1 (AUTHOR) higgs@rice.edu |
| Source: | Tribology International. Jan2026, Vol. 213, pN.PAG-N.PAG. 1p. |
| Subjects: | Discrete element method, Computer simulation, Mathematical optimization, Engineering systems |
| Abstract: | Wear, a microscale phenomenon occurring over extensive time, presents significant challenges for computational modeling. This study introduces a novel discrete element method (DEM) approach to model wear at the particle scale, applying Archard's equation independent of particle size. To address the high computational cost of large time-scale simulations, an accelerated wear extrapolation technique was developed, reducing computational load. Two distribution algorithms were implemented to manage excess wear across particles, ensuring wear conservation and accuracy. A pin-on-disk simulation validated the methods, showcasing wear distribution and extrapolation benefits. Results highlight a robust framework that integrates particle-scale modeling with efficient time-scale extrapolation, enhancing DEM's applicability for simulating complex, long-term wear in real-world engineering problems. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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