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https://hdl.handle.net/2440/111641
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dc.contributor.author | ALOTAIBI, H. | - |
dc.contributor.author | COX, B. | - |
dc.contributor.author | ROBERTS, A. | - |
dc.date.issued | 2018 | - |
dc.identifier.citation | Australia and New Zealand Industrial and Applied Mathematics (ANZIAM) Journal, 2018; 59(3):313-334 | - |
dc.identifier.issn | 1446-1811 | - |
dc.identifier.issn | 1446-8735 | - |
dc.identifier.uri | http://hdl.handle.net/2440/111641 | - |
dc.description.abstract | Macroscale “continuum” level predictions are made by a new way to construct computationally efficient “wrappers” around fine-scale, microscopic, detailed descriptions of dynamical systems, such as molecular dynamics. It is often significantly easier to code a microscale simulator with periodicity: so the challenge addressed here is to develop a scheme that uses only a given periodic microscale simulator; specifically, one for atomistic dynamics. Numerical simulations show that applying a suitable proportional controller within “action regions” of a patch of atomistic simulation effectively predicts the macroscale transport of heat. Theoretical analysis establishes that such an approach will generally be effective and efficient, and also determines good values for the strength of the proportional controller. This work has the potential to empower systematic analysis and understanding at a macroscopic system level when only a given microscale simulator is available. | - |
dc.description.statementofresponsibility | Hammad Alotaibi, Barry Cox and A.J. Roberts | - |
dc.language.iso | en | - |
dc.publisher | Cambridge University Press | - |
dc.rights | © Australian Mathematical Society 2018 | - |
dc.source.uri | http://dx.doi.org/10.1017/s1446181117000396 | - |
dc.subject | Macroscale dynamics; emergence; periodic microscale; patch scheme; equation-free analysis | - |
dc.title | Couple microscale periodic patches to simulate macroscale emergent dynamics | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1017/S1446181117000396 | - |
dc.relation.grant | http://purl.org/au-research/grants/arc/DP150102385 | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | COX, B. [0000-0002-0662-7037] | - |
dc.identifier.orcid | ROBERTS, A. [0000-0001-8930-1552] | - |
Appears in Collections: | Aurora harvest 3 Mathematical Sciences publications |
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