Magnetization Dynamics for Magnetic Object Interactions
- Authors
- Kim, Seung-Wook; Park, Sun Young; Han, Junghyun
- Issue Date
- 8월-2018
- Publisher
- ASSOC COMPUTING MACHINERY
- Keywords
- Magnetic fields and forces; magnetization; rigid body dynamics
- Citation
- ACM TRANSACTIONS ON GRAPHICS, v.37, no.4
- Indexed
- SCIE
SCOPUS
- Journal Title
- ACM TRANSACTIONS ON GRAPHICS
- Volume
- 37
- Number
- 4
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/74202
- DOI
- 10.1145/3197517.3201402
- ISSN
- 0730-0301
- Abstract
- The goal of this paper is to simulate the interactions between magnetic objects in a physically correct way. The simulation scheme is based on magnetization dynamics, which describes the temporal change of magnetic moments. For magnetization dynamics, the Landau-Lifshitz-Gilbert equation is adopted, which is widely used in micromagnetics. Through effectively-designed novel models of magnets, it is extended into the macro scale so as to be combined with real-time rigid-body dynamics. The overall simulation is stable and enables us to implement mutual induction and remanence that have not been tackled by the state-of-the-art technique in magnet simulation. The proposed method can be applied to various fields including magnet experiments in the virtual world.
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