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Algorithms for particle-field simulations with collisions
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UNSPECIFIED (2001) Algorithms for particle-field simulations with collisions. JOURNAL OF COMPUTATIONAL PHYSICS, 172 (2). pp. 766-807.
Full text not available from this repository, contact author.Abstract
We develop an efficient algorithm for detecting collisions among a large number of particles moving in a velocity field, when the field itself is possibly coupled to the particle motions. We build on ideas from molecular dynamics simulations and, as a byproduct, give a literature survey of methods for hard sphere molecular dynamics. We analyze the complexity of the algorithm in detail and present several experimental results on performance which corroborate the analysis. An optimal algorithm for collision detection has cost scaling at least like the total number of collisions detected. We argue, both theoretically and experimentally, that with the appropriate parameter choice and when the number of collisions grows with the number of particles at least as fast as for billiards, the algorithm we recommend is optimal. (C) 2001 Academic Press.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QA Mathematics > QA76 Electronic computers. Computer science. Computer software Q Science > QC Physics |
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| Journal or Publication Title: | JOURNAL OF COMPUTATIONAL PHYSICS | ||||
| Publisher: | ACADEMIC PRESS INC | ||||
| ISSN: | 0021-9991 | ||||
| Official Date: | 20 September 2001 | ||||
| Dates: |
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| Volume: | 172 | ||||
| Number: | 2 | ||||
| Number of Pages: | 42 | ||||
| Page Range: | pp. 766-807 | ||||
| Publication Status: | Published |
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