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Abstract: We describe our implementation of the parallel hashed oct-tree (HOT) code, and in particular its application to neighbor finding in a smoothed particle hydrodynamics (SPH) code. We also review the error bounds on the multipole approximations involved in treecodes, and extend them to include general cell-cell interactions. Performance of the program on a variety of problems (including gravity, SPH, vortex method and panel method) is measured on several parallel and sequential machines. 1... (Update)
Context of citations to this paper: More
.... to solve problems in galactic dynamics [8] and cosmology [9] as well as fluiddynamical problems using smoothed particle hydrodynamics [10], a vortex particle method [11] and boundary integral methods [12] 3.1 The Hashed Oct Tree Library Our parallel N body code has been...
...which if shared amoung all processors, would lead to heavy duplication. This problem was recognised early by Salmon and Warren [13, 14], who practically reinvented the BH algorithm by scrapping pointers in favour of a set of universal binary keys to represent particle and...
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12: A Parallel Hashed Oct-Tree N-Body Algorithm - Warren, Salmon - 1993
11: A fast algorithm for particle simulations - Greengard, Rokhlin - 1987
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BibTeX entry: (Update)
Michael S. Warren and John K. Salmon. A portable parallel particle program. Computer Physics Communications, 87, 1995. http://citeseer.ist.psu.edu/warren95portable.html More
@article{ warren95portable,
author = "Michael S. Warren and John K. Salmon",
title = "A portable parallel particle program",
journal = "Computer Physics Communications",
volume = "87",
number = "1--2",
pages = "266--290",
year = "1995",
url = "citeseer.ist.psu.edu/warren95portable.html" }
Citations (may not include all citations):666 Design and Analysis of Spatial Data Structures (context) - Samet - 1990
156 Computer Simulation Using Particles (context) - Hockney, Eastwood - 1981
108 A parallel hashed oct-tree N-body algorithm - Warren, Salmon - 1993
49 A hierarchical O(NlogN) force-calculation algorithm (context) - Barnes, Hut - 1986
44 California Institute of Technology (context) - Salmon, N-body et al. - 1990
39 Smoothed particle hydrodynamics (context) - Monaghan - 1992
34 Load balancing and data locality in hierarchical N-body meth.. (context) - Singh, Holt et al. - 1992
27 Skeletons from the treecode closet - Salmon, Warren - 1994
26 Smoothed particle hydrodynamics: Theory and application to n.. (context) - Gingold, Monaghan - 1977
21 Astrophysical N-body simulations using hierarchical tree dat.. - Warren, Salmon - 1992
19 Panel methods in computational fluid dynamics (context) - Hess - 1990
18 Fast parallel treecodes for gravitational and fluid dynamica.. - Salmon, Warren et al. - 1994
13 Accelerated molecular dynamics simulation with the parallel .. (context) - Board, Causey et al. - 1992
12 Principles and Practice (context) - Foley, van Dam et al. - 1990
12 Atomic level simulations of a million particles: The cell mu.. (context) - Ding, Karasawa et al. - 1992
11 The fast multipole method (FMM) for electromagnetic scatteri.. (context) - Engheta, Murphy et al. - 1992
10 Computing three-dimensional incompressible flows with vortex.. (context) - Leonard - 1985
8 A modified tree code: Don't laugh; it runs (context) - Barnes - 1990
8 Treesph: A unification of SPH with the hierarchical tree met.. (context) - Hernquist, Katz - 1989
7 Topics in Vortex Methods for the Computation of Three- and T.. (context) - Winckelmans - 1989
6 A special-purpose computer for gravitational many-body probl.. (context) - Sugimoto, Chikada et al. - 1990
6 Large scale structure after COBE: Peculiar velocities and co.. (context) - Zurek, Quinn et al. - 1994
6 Particle methods for hydrodynamics (context) - Monaghan - 1985
5 An efficient N-body algorithm for a fine-grain parallel comp.. (context) - Barnes - 1986
5 Potential flow in channels (context) - Greengard - 1990
5 Dark halos formed via dissipationless collapse: I. Shapes an.. (context) - Warren, Quinn et al. - 1992
5 Dynamics mass exchange in doubly degenerate binaries. I. 0.9.. (context) - Benz, Bowers et al. - 1990
3 Speeding up N-body calculations on machines without hardware.. - Karp - 1992
2 The fast solution of three-dimensional boundary integral equ.. (context) - Winckelmans, Salmon et al. - 1994
2 A comparison between SPH and PPM: Simulation of stellar coll.. (context) - Davies, Ruffert et al. - 1991
2 A gradient random walk method for two-dimensional reaction-d.. - Sherman, Mascagni - 1991
1 The Rapid Evalution of Potential Fields in Particle Systems (context) - Greengard - 1987
1 Experimental Cosmology Using Fast Parallel N-body Methods (context) - Warren - 1994
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